the 20-kg chandelier is suspended from the wall and ceiling using rods ab and bc , which have diameters of 3 mm and 4 mm , respectively. (figure 1)

Ancient astronomers knew about precession of the equinoxes, which means that as time passes, it points at a different star.

The north celestial pole currently points to within just 1° of the star Polaris. The North Pole of the Earth and the celestial equator are two other points of reference that ancient astronomers used to observe and measure the stars.

Precession of the ecliptic is a slow, continuous change in the orientation of Earth's axis of rotation, which causes the direction of the north celestial pole to slowly change over time. This phenomenon is caused by a combination of gravitational forces from the Sun, Moon, and other planets.

The north and south celestial poles are the two points in the sky where Earth's axis of rotation, indefinitely extended, intersects the celestial sphere.

Learn more about astronomers

https://brainly.com/question/1003405

#SPJ4

The best describes electricity generation using wind turbines is: Wind turbines can be constructed on either vertical or horizontal axes. The correct option is B.

Axes of wind turbines can be either vertical or horizontal; there are benefits (and drawbacks) to each type. Turbines aligned on a horizontal axis are the primary type seen and are common in large-scale operations. Turbines with vertical axis blades are perpendicular to the ground and work well in more extreme conditions.

Wind energy refers to the process of creating electricity using the wind, or air flows which happen naturally in the earth's atmosphere. Wind energy is produced by wind power. Modern wind turbines are used to collect kinetic energy from the wind and generate electricity.

Learn more about wind energy at: https://brainly.com/question/27997211

#SPJ4

Although part of your question is missing, you might be referring to this full question: Wind energy is increasingly relied upon to help meet global energy needs. Wind energy can be used to generate electricity using wind turbines. Which of the following best describes electricity generation using wind turbines?

a. Newer wind turbines can generate consistent electricity even when there is no wind.

b. Wind turbines can be constructed on either vertical or horizontal axes.

c. Wind turbines are rarely used offshore because they tend to float in rough seas.

d. Wind turbines can be used by individual homeowners but have limited effectiveness when connected to the electrical grid.

As the ball is going upward, it is decelerating which is negative acceleration. The first option is the right answer.

Acceleration can be defined as the velocity change per time taken. It is a vector quantity.

Given that a rubber duck is thrown straight into the air and allowed it to fall back down before catching it.

To describe the direction of the velocity and acceleration vectors during the motion for the rubber duck, the followings must be noted.

As the ball is going up, the velocity direction is opposite to the direction of acceleration because the ball will be decelerating. That is, velocity will be positive while acceleration will be negative. The reverse is the case when the ball is coming downward. That is, velocity will be negative while acceleration will be positive.

Therefore, velocity and acceleration vectors will point in opposite directions for the whole motion.

Learn more about Acceleration here: https://brainly.com/question/460763

#SPJ1

As a result, the balls meet precisely at the height of the first ball's maximum height, given by h=(vo² / 2g)*0.5.

The quantity or size of displacement between two places is defined as distance. It is important to note that the distance between two points is not the same as the distance traveled between them. The total length of the path traveled between two points is referred to as the distance traveled. Distance is the length of an object's route, whereas displacement is merely the distance between where the thing began and where it finished up. The complete length of an object's real route is referred to as distance. The displacement of an item between two places is the straight line (shortest) distance between those points, directed from one position to the other.

Here,

Let t be the time taken for the first ball to reach its maximum height, and let t' be the time taken for the second ball to reach the same height.

The first ball reaches its maximum height in t = vo / g, and the height of the second ball after t' seconds is given by,

h = D - (vo * t')²  / 2g.

Setting t = t' and solving for t, we find that

t = (2D / g)*0.5.

The height of the first ball after t seconds is

h = vo * t - 0.5g * t²  

= (vo²  / 2g)*0.5 * (2D)*0.5 - 0.5g * (2D / g)

= (vo²  / 2g - gD)*0.5.

The balls collide when h = 0, so

0 = (vo²  / 2g - gD)*0.5.

Squaring both sides, we find

0 = vo² / 2g - gD.

Solving for D, we find

D = vo²  / 2g * 2 = vo²  / g.

So the balls collide exactly at the height of the first ball's maximum height, which is given by h = (vo²  / 2g)*0.5.

To know more about distance,

https://brainly.com/question/11581397

#SPJ4

(a) Velocity v at the center of each tire = 37 m/s

(b) Velocity v at the top of each tire = 37 + (31 cm/s) = 37.31 m/s

(c) Velocity v at the bottom of each tire = 37 - (31 cm/s) = 36.69 m/s

(d) Magnitude a of the acceleration at the center of each tire = 0 m/s² (the car is moving at a constant speed)

(e) Magnitude a of the acceleration at the top of each tire = (1/2) * (31 cm/s²) = 15.5 cm/s²

(f) Magnitude a of the acceleration at the bottom of each tire = -(1/2) * (31 cm/s²) = -15.5 cm/s²

(g) Velocity v at the center of each tire = 85 km/h = 23.61 m/s

(h) Velocity v at the top of each tire = 23.61 + (31 cm/s) = 23.9461 m/s

(i) Velocity v at the bottom of each tire = 23.61 - (31 cm/s) = 23.2839 m/s

(j) Magnitude a of the acceleration at the center of each tire = 0 m/s² (the car is moving at a constant speed)

(k) Magnitude a of the acceleration at the top of each tire = (1/2) * (31 cm/s²) = 15.5 cm/s²

(l) Magnitude a of the acceleration at the bottom of each tire = -(1/2) * (31 cm/s²) = -15.5 cm/s²

The velocity of the center of each tire relative to a woman riding in the car is equal to the velocity of the car, which is 85 km/h, or 37 m/s. The velocity of the top of each tire is equal to the velocity of the center plus the tangential velocity due to the rotation of the tire, which can be calculated as the circumference of the tire divided by the time it takes to complete one revolution. The magnitude of the acceleration at the center of each tire is zero because the car is moving at a constant speed.

The velocity of the center of each tire relative to a hitchhiker sitting next to the road is equal to the velocity of the car relative to the road, which is 85 km/h, or 23.61 m/s. The velocity of the top and bottom of each tire can be calculated similarly to the velocity relative to the woman in the car. The magnitude of the acceleration at the center, top, and bottom of each tire is still zero, because the car is still moving at a constant speed relative to the road.

Learn more about Car Tire Velocity, Acceleration here:

https://brainly.com/question/2201249

#SPJ4

Answer:the focal length of the convex lens in water is 33.33 cm.

Explanation:The formula for the change in focal length of a lens when it is immersed in a medium with a different refractive index is given by:

f' = f * (n2 / n1), where f is the focal length in air, n1 is the refractive index of air, and n2 is the refractive index of the new medium.

Given that n1 = 1 (refractive index of air) and n2 = 4/3 (refractive index of water),

f' = 25 * (4/3 / 1) = 25 * (4/3) = 33.33 cm

So, the focal length of the convex lens in water is 33.33 cm.

Aristotle is a towering figure in ancient Greek philosophy, who made important contributions to logic, criticism, rhetoric, physics, biology, psychology, mathematics, metaphysics, ethics, and politics.

The period T = 0.933 sec ; The max speed Vmax = 0.87m/s; The total energy or work done =  0.211J.

For a single particle conducting SHM, the only constant is its periodic time, or simply time period. Due of the solutions' flexibility in scaling, the period remains constant. Therefore, you can scale this motion upward or downward by any factor s and still obtain a valid motion s if you have any valid motion (t) representing the pendulum's angle as a function of time t. (t).

K= string constant = 23N/m

Amplitude a => 13 cm

Mass = 508g

T= 2π√(m/k)

=>  2π √(0.508/23) => 0.933 sec

Maximum speed => √(k/m) x a

                               => √(23/0.508) x 0.13

                                => 0.87m/s

The total energy of string => 1/2 k a^2

                                      => 1/2 x 23x 0.13^2

                                    => 0.211J

Learn more about amplitude here:

brainly.com/question/21410187

#SPJ4

The length of a multi-mode optical fiber required to achieve an static mode dispersion from with a particular excitation state is referred to as the equilibrium length in some cases.

Equilibrium is the condition in which all of the forces acting on a body are perfectly balanced and the body is immobile. An object is considered to be in an equilibrium state when all of the forces acting on it are equal and in balance. Equilibrium is the state of a thing at rest.

Equilibrium comes in three flavors: neutral, unstable, and stable. Figures are used to illustrate numerous examples throughout this module. A balanced system is shown in Figure 1 as a toy doll on a man's hand, that has its gravity center exactly over the pivot and zero torque due to the total weight.

To know more about equilibrium visit:

https://brainly.com/question/13678741

#SPJ4

A straight upward thrown ball takes 10 seconds to complete its up-and-down circular journey. Because of air resistance, the time required for the ball to simply rise is less than 5 seconds.

Drag is a force in fluid dynamics that acts in the opposing direction of any object moving with regard to a surrounding fluid. This is possible between two fluid layers or between a fluid and a solid surface. Air resistance is a force created by air. When an item moves through the air, the force operates in the opposite direction. A truck with a flat front will have significant air resistance, but a sports car with a streamlined form will have lesser air resistance, allowing the car to travel quicker.

Here,

A ball thrown straight upward takes 10 seconds for its up-and-down round trip. because of air resistance, the time taken for the ball just to go up is less than 5 seconds.

To know more about air resistance,

https://brainly.com/question/29446329

#SPJ4

It takes the stone 0.588 seconds to increase its speed from 4.2 m/s to 10.0 m/s.

To solve for the time it takes a stone falling straight down to increase its speed from 4.2 m/s to 10.0 m/s using the impulse-momentum theorem, we can use the equation:

Δp = mΔv

where Δp is the change in momentum,

m is the mass of the stone, and Δv is the change in velocity.

The initial velocity of the stone is 4.2 m/s and the final velocity is 10.0 m/s, so the change in velocity is:

Δv = 10.0 m/s - 4.2 m/s = 5.8 m/s

Since the stone is only under the influence of gravity, we can assume that the net force acting on the stone is equal to its weight (mg), and therefore the change in momentum is:

Δp = mΔv

= m(10.0 m/s - 4.2 m/s)

= m * 5.8 m/s

We can use the above equation to find the time it takes for the velocity to change by solving for t:

t = Δp/F = Δp/(mg) = Δv/g

where t is the time, F is the net force (mg), and g is the acceleration due to gravity (9.8 m/s^2).

Substituting the values:

t = Δv/g = 5.8 m/s / 9.8 m/s^2 = 0.588 s

For more questions on impulse-momentum theorem

https://brainly.com/question/11674698

#SPJ4

The yield to both wafer are Wafer 1: 0.959 and wafer 2 : 0.909.  The cost per die for both wafers are wafer 1: 0.148 and wafer 2 : 0.165.

we need determine the yield to both wafer

yield= 1/(1+(defects per unit area*dies per unit area/2))²

Wafer 1:

Radius=Diameter/2=

Radius=15/2=7.5 cm

Total Area=πr²=π(7.5)²=176.71 cm^2

Area per dice= 176.71/84=2.1 cm²

yield 1= 1/(1+(0.020*2.1/2))²

yield 1=1/1.04244=0.959

Wafer 2:

Radius=Diameter/2=20/2=10 cm

Total Area=πr²=π(10)²=314.159 cm²

Area per die= 314.159/100=3.14 cm²

yield 2= 1/(1+(0.031x3.14/2))²

yield 2=1/1.0997=0.909

Then we can determine the cost per dies for both wafers.

Cost per die= cost per wafer/Dies per wafer*yield

Wafer 1:

Cost 1=12/84x0.959=0.148

Wafer 2:

Cost 2=15/100x0.909=0.165

learn more about yield at https://brainly.com/question/30035593

#SPJ4

Given data  according to circuit is , Is=90mA, R1= 28 K, R2= 50 K, L=79mH.

complete step by step solution is given below in the image.

Individual electronic components such as resistors, transistors, capacitors, inductors, and diodes are connected by conductive wires or traces through which electric current can flow to form an electronic circuit. It is a form of electrical circuit, and in order for it to be called electronic rather than electrical, at least one active component must be present. The combination of components and wires enables the execution of a variety of simple and complicated processes, including as signal amplification, calculation, and data transfer.

Using Kirchhoff's voltage law (KVL) in the clockwise direction starting from the node to the left of R1, we have:

IsR1 - I_LL - I_L*R2 = 0

where I_L is the current through the inductor at time t=0.

Simplifying and solving for I_L, we get:

I_L = Is * R1 / (R1 + R2)

Substituting the given values, we get:

I_L = (90.0 mA) * (28.0 kΩ) / (28.0 kΩ + 50.0 kΩ)

I_L = 35.4 mA

Therefore, the initial current through the inductor is 35.4 milliamperes.

To know more about circuit visit:

https://brainly.com/question/27206933

#SPJ4

The gravitational force between two students is 5.336*10^-8 N.

According to universal gravitational law, the force acting on two bodies is given by the formula = F = (G *m1*m2)/r^2

Here mass of one student =m1=75kg,another student m2=54kg

Distance of separation =0.45m, r =0.45/2=0.225m

Force = 6.67*10^-11 (75*54)/(0.225)^2

F=5.336*10^-8 N

The force between two students is 5.336*10^-8 N.

Learn more about gravitational force,

https://brainly.com/question/72250

The displacement of the object from 0 to 6.0 seconds is 80m.

option C.

The displacement of the object from 0 to 6.0 seconds is calculated by finding the area of the shape formed between 0 and 6 seconds.

displacement = area of trapezium

Area of trapezium ( 0 to 6 seconds ) = ¹/₂ ( a + b ) h

where;

Area of the trapezium = ¹/₂ ( 6s + 2s ) 20 m/s = 80 m

Learn more about displacement here: https://brainly.com/question/2109763

#SPJ1

As a result, the magnetic force acting on the second particle is twice as powerful as the magnetic force acting on the first particle.

A magnetic field is a vector field that explains the magnetic impact on moving charges, currents, and magnetic materials. A moving charge in a magnetic field is subjected to a force that is perpendicular to both its own velocity and the magnetic field. Magnetic fields form anytime charge moves. The intensity of a magnetic field grows as more charge is moved. Magnetism and magnetic fields are manifestations of the electromagnetic force, one of nature's four basic forces.

Here,

The magnetic force on a charged particle is given by the equation:

f = qvB

where f is the magnetic force, q is the charge, v is the velocity of the particle, and B is the magnetic field strength.

For the first particle, the magnetic force is:

f = qvB

For the second particle, the magnetic force is:

f' = q(2v)B = 2qvB = 2f

As a result, the magnetic force on the second particle is twice as strong as the magnetic force on the first particle.

To know more about magnetic field,

https://brainly.com/question/14167278

#SPJ4

The Embryonic similarities have been a strong lead in the study of evolution.

Embryonic similarities are a type of evidence that support the theory of evolution by natural selection. The theory of evolution proposes that all living organisms share a common ancestry and have changed over time through the process of natural selection.

In summary, embryonic similarities support the theory of evolution by providing evidence of a shared ancestry and helping to explain the mechanisms of evolution.

Learn more about evolution:https://brainly.com/question/13492988

#SPJ1

The change in position can be calculated as the difference in the outputs of the velocity function for the two values of t: Δx = v(10) - v(5)

Velocity and speed are related but distinct concepts in physics. Speed is a scalar quantity that measures the magnitude of an object's velocity. Velocity, on the other hand, is a vector quantity that specifies both the magnitude and direction of an object's motion.

Yes, velocity is a vector quantity. Velocity defines the rate of change of an object's position with respect to time. It specifies both the magnitude and direction of an object's motion. This means that velocity has both magnitude and direction, which makes it a vector quantity.

Δt = 10 - 5 = 5 minutes

So the average velocity over the time interval can be calculated as:

v(avg) = Δx / Δt = (v(10) - v(5)) / (10 - 5)

v(avg) = (4.0 - 2.2) / 5 = 1.8 / 5 = 0.36 miles per hour

So Di's average velocity from t = 5 minutes to t = 10 minutes was 0.36 miles per hour.

To know more about speed visit:

https://brainly.com/question/6280317

#SPJ4

The work done and power required for mass1 is more when compared to mass2. workdone of mass1 and mass2 are 8mgd & 6mgd. Power required of mass1 and mass2 are 8mgd/t & 6mgd/t.

vi is the beginning speed of an item in metres per second. In accordance with the work-energy principle, a particle's change in kinetic energy is equivalent to the sum of all the loads exerted on it, or the work of the force applied F(in subscript resultant).

Mass1 = 8m; d1 => d

Mass 2 = 3m; d2=>2d

The time take for both the mass to travel is same.

Work done by mass1 = m1xgxd1

                                   => 8mgd

Work done by mass2 = 3mxgx2d

                                    => 6mgd

Power required mass1 => W/t = 8mgd/t

                            mass2 => W/t => 6mgd/t

In science and engineering, power is the rate during which work is completed or energy is delivered. It may be expressed as the product of the work completed (W) or the energy transferred (E) divided by the time interval (t), or W/t.

Every time a force pushes something over a distance, work is done. By multiplying the force by the distance travelled in the force's direction, you may calculate the energy transferred, or work done.

Learn more about power here:

brainly.com/question/26384777

#SPJ4

The velocity of the bowling with a mass of 18 kg and momentum of 6.8 kg m/s would be 0.378 m/s

Newton's law of motion states that all moving bodies will remain in the state of rest or motion until they are disrupted by some external force. When it comes to momentum, the same principle that applies to mass and velocity also applies; specifically, if an object's mass and velocity do not change, then the object's momentum will not change either. To calculate momentum, we can use this following formula:

                                              P = m v

Where:

P = momentum of the object

m = mass of the object

v = velocity of the object

Thus, the velocity of the bowling ball is

P = m v

6.8 kg m/s = 18 kg . v

v = (6.8 kg m/s) ÷ (18 kg)

v = 0.378 m/s

To learn more about momentum, click here:

https://brainly.com/question/17662202

#SPJ1

The law of conservation of angular momentum can be used to determine the final angular velocity of the disc with radius r1, f. The two discs must have equal initial and final angular momenta.

What makes the two discs used in the experiment different from one another?

Two discs are utilized in the experiment, and they are both made of the same material and have the same thickness. One disc has a radius of r, while the other has a radius of 2r. This is how the two discs differ from one another.

The interaction between the two discs when they come into contact and their final angular velocities are both impacted by this difference in radii, making it significant. The radii's difference

To know more about Angular Velocity visit: brainly.com/question/29557272

#SPJ4

The following variations would increase the force experienced by the egg upon landing:

Increase the mass of the egg

Increase the drop height

Change the surface to a hard floor

And the following variations would decrease the force experienced by the egg upon landing:

Decrease the mass of the egg

Decrease the drop height

Change the surface to a box of foam.

Force experienced by an egg upon landing is determined by the formula: Force = mass x acceleration, where acceleration is due to gravity and is equal to 9.8 m/s².

Force is a physical quantity that measures the push or pull on an object. It is a vector quantity, meaning it has both magnitude and direction. Forces can cause an object to accelerate, change its shape, or alter its motion. There are several types of forces, including gravitational, electromagnetic, and strong and weak nuclear forces. The most commonly studied force is the force of gravity, which is the force that attracts two masses towards each other. Friction, air resistance, and tension are examples of contact forces, while the force exerted by a magnet is an example of a non-contact force. Newton's laws of motion describe the relationship between forces and motion, and are widely used in physics and engineering.

Learn more about force:

brainly.com/question/13191643

#SPJ4

This statement is True, electrical power is the rate at which electrical energy is stored. the rate at which electrical energy is being wasted. the rate at which electrical energy is used. the rate at which electrical energy is transferred.

Electrical energy is a type of energy that is produced by the movement of charged particles, such as electrons, in a conductor. It is a form of energy that can be converted into other forms of energy, such as heat, light, and motion, by the use of electrical devices.

Electrical energy is a crucial source of energy for modern societies, and it is used to power homes, businesses, and industries. It is generated from a variety of sources, including fossil fuels, nuclear energy, hydro power, wind power, and solar energy.

Electrical energy can be stored in batteries or in other forms of energy storage systems. It can also be transmitted over long distances through power lines and transformers, making it a highly efficient and convenient source of energy.

To learn more about Electrical energy visit here:

brainly.com/question/13989137

#SPJ4

When using a constant velocity, the equation for length as a time function is the simplest. Therefore, D(t) = Vt Read "distance... " where D(t) is distance.

How do you calculate the distance travelled?

Just use formula that defines the distance (d) in term of the velocity (r) and time (t) to determine the distance travelled. False or True Use the formula d = str, or distance equal speed times time, to find the distance. Since both represent a certain amount of distance per unit of time, such as miles an hour or kilometres per hour, rate and velocity are comparable.

How do you calculate the distance travelled?

Use the equation that gives to determine the distance travelled in this example

To know more about  velocity visit:

https://brainly.com/question/18084516

#SPJ4

Answer:

True

Explanation:

the answer is true

When two wave superposed in same phase,  constructive interference is formed.

According to the definition of interference, it is the phenomenon in which two or more waves combine to create a new wave that has a bigger, smaller, or the same amplitude.

The resulting sound wave is created by adding the amplitudes of two sound waves that are travelling in the same direction and in phase with one another. In this instance, it is claimed that the sound waves experienced constructive interference. The waves experience upward displacement when they encounter constructive interference.

Learn more about interference here:

https://brainly.com/question/7256700

#SPJ1

A resorting force, it pushes the electron towards the direction of the equilibrium point z=0.

Additionally, the force's magnitude is proportional to z, precisely as it would be if the electron were fastened to a spring with the spring constant k=eq/4R 3.

When the positive and negative charges are out of balance, static electricity is produced. While electrons like to hop all over the place, protons and neutrons don't move around very much. A negative charge is present when an item (or person) possesses more electrons. ​

The angular frequency of the electron's simple harmonic motion, where m is its mass, is given by = m k = 4 0m R 3 eq.

learn more about harmonic motion

https://brainly.com/question/26114128

#SPJ4

A greyhound's time in a 100 m dash would be around 4.5 seconds, as it takes approximately 0.75 seconds to reach its maximum speed of 20 m/s and the remaining distance is covered at a constant speed of 20 m/s.

The time a greyhound takes to reach its maximum speed is determined by its acceleration and the distance it covers during this time. This acceleration phase takes approximately 0.75 seconds, as the dog covers 30 m over this distance. The time to cover the remaining 70 m at a constant speed of 20 m/s is 3.5 seconds, making the total time to cover the 100 m dash around 4.5 seconds.

The calculation for a greyhound's time in a 100 m dash can be represented as follows:

t = t_acceleration + t_constant_speed

t = (d_acceleration / v_initial + v_final) / a + d_constant_speed / v_final

where:

t = time to cover the 100 m dash

t_acceleration = time to reach maximum speed of 20 m/s over a distance of 30 m

t_constant_speed = time to cover the remaining distance of 70 m at a constant speed of 20 m/s

d_acceleration = distance covered during acceleration phase

v_initial = initial speed (assumed to be 0 m/s)

v_final = final speed (20 m/s)

a = acceleration (not specified, so not used in the calculation)

d_constant_speed = remaining distance (70 m)

t = (30 m / 0 + 20 m/s) / a + 70 m / 20 m/s

t = (0.75 s) + (3.5 s)

t = 4.25 s

Therefore the time it takes to cover a 100 m dash is 4.5 seconds.

To learn more about acceleration visit: https://brainly.com/question/26408808

#SPJ4

Your question seems missing, but I suppose the question was:

"In a typical greyhound race, a dog accelerates to a speed of 20 m/s over a distance of 30 m. It then maintains this speed. What would be a greyhound’s time in the 100 m dash?"

The work done by or power received from the water as it flows through the dam is 151,129.76 h (W).

The work done by the water as it flows through the dam can be calculated using the principle of conservation of energy. The work done is equal to the change in the potential energy of the water as it falls through the dam and turns the turbine.

The formula for the work done by the water is given by:

= W

= ρ x g x h x Q

here W is work done (in J), ρ is density of water (in kg/m^3), g is acceleration due to gravity (in m/s^2), h is height difference between the inlet and outlet of the turbine (in m), and Q is volume flow rate (in m^3/s).

To convert the volume flow rate from gpm to m^3/s, we can use the conversion factor:

= 1 gpm

= 0.00378541 m^3/s

So, the volume flow rate in m^3/s is:

= 5000 gpm x 0.00378541 m^3/s/gpm

= 18.927 m^3/s

To convert the exit pipe diameter from ft to m, we can use the conversion factor: 1 ft = 0.3048 m

So, the exit pipe diameter in m is: 4 ft * 0.3048 m/ft = 1.2192 m

Using these values, we can calculate the work done by the water as follows:

W = ρ x g x h x Q

W = 1000 kg/m^3 x 9.8 m/s^2 x h x 18.927 m^3/s

W = 18,927 x 9.8 x h (kg x m/s^2)

W = 186,100 h (J)

The height difference (h) cannot be determined from the information given, so the work done by the water cannot be calculated exactly. However, we can calculate the power received from the water by dividing the work done by the time taken for the water to flow through the turbine.

= P

= W / t

where P is the power (in W), and t is the time (in s). The time can be calculated as follows:

= t

= Q / v

where v is the velocity of the water at the exit of the turbine (in m/s). The velocity can be calculated using the formula:

= v

= Q / A

here A is the cross-sectional area of the exit pipe (in m^2).

A = π x (d/2)^2

here d is diameter of the exit pipe (in m).

So, the velocity of the water is:

v = Q / A

v = 18.927 m^3/s / π x (1.2192/2)^2 m^2

v = 15.39 m/s

And the time taken for the water to flow through the turbine is:

t = Q / v

t = 18.927 m^3/s / 15.39 m/s

t = 1.23 s

Finally, the power received from the water is:

= P

= W / t

P = 186,100 h (J) / 1.23 s

P = 151,129.76 h (W)

This is the theoretical power received from the water as it flows through the dam. In practice, the actual power output of the turbine will be lower due to various losses such as friction, turbulence, and air resistance.

To know more about work please refer: https://brainly.com/question/13790122

#SPJ4

The angular diameter of Jupiter as seen from Earth if Jupiter were at the location of the Sun would be  50.1 arc minutes.

The angular diameter is described as an angular distance describing how large a sphere or circle appears from a given point of view.

The formula for angular diameter is given by:

θ = 2 * arctan(d / (2 * D))

substituting  the values, we have :

θ = 2 * arctan(1.43 ✕ 105 / (2 * 1.5 ✕ 108)) = 2 * arctan(0.00000953333)

The result is in radians, so we to convert it to arc minutes:

θ (in arc minutes) = θ (in radians) * (60 minutes/degree) * (1 degree/radian) = (2 * arctan(0.00000953333)) * (60) * (180/π) = 50.1 arc minutes.

Learn more about angular diameter at: https://brainly.com/question/14806284

#SPJ1