what magnitude charge creates a 1.0 n/c n / c electric field at a point 1.0 m m away? express your answer in nanocoulombs.

The distance between the masses is 1.14 x 10⁴ m.

option B.

The distance between the masses is calculated by applying Newton's law of universal gravitation.

Fg = Gm₁m₂ / R²

where;

R² = ( Gm₁m₂ ) / ( F )

R = √ [ ( Gm₁m₂ ) / ( F ) ]

R = √ [ ( 6.67 x 10⁻¹¹ x 7.86 x 10¹¹ x 1.12 x 10⁹ ) / ( 4.54 x 10² ) ]

R = 1.14 x 10⁴ m

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The weight of the log is 980N

The force of gravity acting on an object is its weight, which is equal to its mass times the acceleration of gravity, or w = mg. The newton is the SI unit for weight since it is a force.

The weight of a 100 kg log can be calculated using the equation w = mg,

where m is the mass of the log (100 kg) and g is the acceleration due to gravity (9.8 m/s^2).

So, w = (100 kg)(9.8 m/s^2) = 980 N.

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At 9:00 am, a tuna salad is taken out of the cooler, and at 11:00 am, it is set out for a buffet. The deadline for serving or discarding the tuna salad is 3:00 PM.

Tuna salad can be kept in the fridge for three to five days when properly refrigerated. How long can you leave tuna salad out in the open? When left out for longer than two hours at room temperature, tuna salad should be thrown away because bacteria grow quickly between 40 and 140 degrees Fahrenheit.

If the following conditions are met, it is OK to store cold food without ceramic heaters for more than four hours. requirements are satisfied Before being taken out of the temperature control, food must be kept at 41 degree Fahrenheit or lower. When the food is first received, label it with the expiration date.

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Metals such as copper, aluminium, silver, and gold, graphite, electrolytes such as aqueous salt solutions, and semiconductors such as silicon and germanium are examples of materials that are typically good conductors of electricity.

The movement of electric energy or charge is known as electricity. It is a secondary energy source, meaning that we obtain it through the conversion of main energy sources like coal, natural gas, oil, nuclear power, and other natural sources. The flow of electrons between two places when there is a voltage differential between them constitutes electricity, which is a sort of energy that makes it possible to produce an electric current.

The electricity we use is a secondary energy source since it is produced by converting primary energy sources, such as coal, natural gas, nuclear energy, solar energy, and wind energy, into electrical power.  Despite being independent properties, voltage and current interact in electrical circuits. Both are necessary for the circuit to function properly. Current in a circuit flows due to the force of voltage.

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The average velocity for the second half of the swim can be calculated is : v = d / t = l / t2

Change in position or displacement (∆x) divided by the time intervals (∆t) in which the displacement occurs is called average velocity.

To determine the average velocity of athlete for the second half of the swim, you need to know  distance she covered and the time she took to cover it.

The distance covered in the second half of the swim is the length of the pool, l. The time taken for the second half of the swim is t2.

So, the average velocity for the second half of the swim can be calculated as follows:

v = d / t = l / t2

where d is the distance covered, t is the time taken, and v is the average velocity.

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Explanation:

Yes, that is correct. Electric potential is a measure of the electric potential energy per unit of electric charge at a certain point in an electric field. It is often denoted by the symbol V and is measured in volts (V).

The block of ice had a mass of approximately 4.94 kg.

In a system, what is heat transfer?

Any material made up of atoms and molecules can transmit heat through it. There are numerous ways in which the atoms are constantly moving. All matter has heat, or thermal energy, which results from atomic and molecular motion.

With increased molecular mobility, heat energy levels rise. However, when referring to heat transfer, it simply means the procedure by which heat is transferred from a body with a high temperature to one with a low one.

In thermodynamic systems, heat transmission is defined as

A temperature difference between a system and its surroundings causes heat transfer across the system's boundary.

It's odd that the temperature difference is referred to as a "potential."

q = mLf + mLf + mCp(T2 - T1)

where:

q = heat transfer (Joules)

mLf = heat of fusion of ice (Joules/kg)

mLf = 333.5 J/g

m = mass of ice (kg)

Cp = specific heat capacity of water (Joules/kg/°C)

Cp = 4.18 J/g/°C

T1 = initial temperature of ice (-150°C)

T2 = final temperature of water (150°C)

Rearranging the equation for mass:

m = q / (mLf + mLf + mCp(T2 - T1))

Substituting values:

m = 9.5 x 105 J / (333.5 J/g + 333.5 J/g + 4.18 J/g/°C × 300°C)

m = 9.5 x 105 J / (666.9 J/g + 1254.4 J/g)

m = 9.5 x 105 J / 1921.3 J/g

m = 9.5 x 105 J / 1921.3 J/g × (1 kg / 1000 g)

m = 9.5 x 105 J / 1921.3 J/g × (1 kg / 1000 g)

m = 4.94 kg

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The melting point of the clear supernatant is lower than for the 0 ° c of the original liquid when a solution is added to it.

The temperature at which a material becomes liquid or solid is known as the melting or freezing point of that substance. Depending on the degree of bonding in between particles plus their mass, various substances have varying melting points.

Water typically has a freezing point and melting point of 0 °C or 32 °F. If supercooling takes place or there are pollutants in the water that might cause freezing point elevation to happen, the degree may be lower.

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Object A has net charge of excess electrons and object B is grounded. Object that is at a higher potential is : B.

Electric potential difference is also known as voltage. It is the external work needed to bring charge from one location to another location in electric field. Electric potential difference is change of potential energy experienced by test charge that has value of +1 .

Electric potential is the amount of work needed to move unit charge from a reference point to specific point against electric field. Electric potentials and electric fields in given region are related to each other and thus either can be used to describe the electrostatic properties of space.

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The angular acceleration for the potter's wheel is 0.012 rad/s².

The equation for angular velocity with constant angular acceleration is given by:

ωf = ωi + αt

where ωf is the final angular velocity, ωi is the initial angular velocity (which is 0 in this case), α is the angular acceleration, and t is the time.

Plugging in the given values, we have:

0.30 rad/s = 0 + α x 25.0 s

Dividing both sides by 25.0 s, we get:

α = 0.30 rad/s / 25.0 s = 0.012 rad/s²

So the angular acceleration is 0.012 rad/s².

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Because the information is incomplete, a wave would have a greater amplitude if it has a bigger disturbance when compared to another wave.

In physics, amplitude refers to the greatest displacement or distance that a point on a vibrating body or wave can move relative to its equilibrium location. It is equivalent to the vibration path's half-length.

Hence, it can be seen that the wave's energy determines how far the medium's particles go. The amplitude of the wave determines how far the particles travel.

The energy of the disturbance that generates the wave determines the wave's amplitude. Greater amplitude results from a wave produced by a disturbance with more energy.

The general overview should give you a better understanding of waves, amplitudes and speed.

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Answer:

When sunlight shines through an orange solution, the violet, blue and green wavelengths are absorbed. The other colors pass through. The transmitted light is the light we see, and it looks orange. Colored objects look the way they do because of reflected light.

Explanation:

The horizontal component of the ball's speed relative to the water is around 30.0 m/s.

The direction of movement of the body or item is defined by velocity. Speed is fundamentally a scalar number. Velocity is, in essence, a vector quantity. It is the pace at which distance changes. It is the displacement rate of change. The velocity of an object is the rate at which its location changes in relation to a frame of reference and is a function of time. Velocity is similar to a speed and direction of motion specification (e.g., 60 km/hr to the north).

Here,

To find the horizontal component of the speed with which the ball strikes the water, we need to consider both the velocity of the carrier and the horizontal component of the velocity of the ball.

The horizontal component of the speed of the ball relative to the water is given by:

v_bw = v_bs + v_ship

where:

v_bw is the horizontal component of the speed of the ball relative to the water

v_bs is the horizontal component of the velocity of the ball (5.00 m/s)

v_ship is the velocity of the carrier (25.0 m/s)

So, the horizontal component of the speed of the ball relative to the water would be:

v_bw = 5.00 m/s + 25.0 m/s = 30.0 m/s

The horizontal component of the speed of the ball relative to the water is approximately 30.0 m/s.

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Longitudinally, all sound waves exist. Parallel to the wave's motion, energy is transmitted. Mechanics can produce longitudinal waves. Transverse electromagnetic waves are also possible.

The electromagnetic spectrum is a group of wave types that includes electromagnetic waves and has some similar characteristics. All electromagnetic waves have the same speed in a vacuum, which is the speed of light, or 300,000,000 metres per second, and are transverse waves that can pass through a vacuum.

To put it simply, a time-space-varying electric field creates a varying magnetic field at right angles to it, and the magnetic field creates an electric field at right angles to that as well. This process keeps going to create oscillations of the electric and magnetic field components, which are what make up electromagnetic waves.

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A ringing bell is sending a longitudinal wave to your ear. What else is true about the longitudinal wave? Check all that apply.

A. All sound waves are longitudinal.

B. Energy is transferred perpendicular to the wave’s motion.

C. Mechanical waves can be longitudinal.

D. Electromagnetic waves can be longitudinal.

E. Longitudinal waves require a medium to travel through.

The points of the hour hand, minute hand, and second hand cover 0.087 metres, 1.3 metres, and 85 metres in a 40-minute period, respectively.

The minute hand's tip completes one full rotation in 60 minutes, as we also know. Thus, it will finish the 25/60th of the circle in 25 minutes. The moved distance is therefore equal to 2r * 25/60 inches, or 11.78 inches.

The radius of the circle the point creates is equal to the distance it travels. the radius of the circle formed by the tip and the angle that is covered.

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A substance's physical property is indeed a quality that can be seen or quantified without affecting the substance's identity. Color, density, toughness, boiling and melting points are examples of physical qualities.

Physical characteristics are characteristics that may be seen or quantified without modifying the makeup of the substance. Some examples include the freezing, melting, and boiling points as well as color, hardness, and fragrance.

Physical qualities are those that can be ascertained about a substance without altering its makeup. Physical qualities include traits like critical temperature, boiling point, density, reactivity, color, odor, etc.

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Size and SA:V are inversely related for a certain form. The ratio of a cube with sides of 2 cm is 3 cm1, which is half of a cube with sides of 1 cm.

The area is the area occupied by a this double flat surface. It has a square unit of measurement. A three-dimensional object's surface area is the area occupied by its outside surface.

A 3D object's surface is the entire area that all of its faces cover. For instance, the surface area of a cube is its amount if we wish to determine how much paint is needed to paint it. It is consistently expressed in square units.

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So, with an acceleration of 2.35 m/s², the VW Beetle takes 11.38 seconds to reach 60.0 miles per hour. As a result, the top-fuel dragster's acceleration is 38.3 m/s².

The rate of change of velocity is defined as acceleration. Acceleration usually indicates that the speed is changing, however this is not always the case. When an item goes on a circular course with a constant speed, it is still accelerating since its velocity direction changes. Acceleration is the rate at which velocity varies over time, both in terms of speed and direction. A point or object travelling in a straight path is accelerated if it accelerates or decelerates.

Here,

a. To find the time it takes for the VW Beetle to reach 60.0 mi/h with an acceleration of 2.35 m/s², we can use the equation:

v = a * t

Where v is the final velocity, a is the acceleration, and t is the time. To convert 60.0 mi/h to m/s, we can use the conversion factor 1 mi/h = 0.447 m/s:

60.0 mi/h = 60.0 * 0.447 m/s = 26.82 m/s

So we can solve for t:

t = v / a = 26.82 m/s / 2.35 m/s² = 11.38 s

So it takes the VW Beetle 11.38 s to reach 60.0 mi/h with an acceleration of 2.35 m/s².

b. To find the acceleration of the top-fuel dragster, we can use the equation and the information given:

v = a * t

Where v is the final velocity, a is the acceleration, and t is the time. To convert 60.0 mi/h to m/s, we can use the conversion factor 1 mi/h = 0.447 m/s:

60.0 mi/h = 60.0 * 0.447 m/s = 26.82 m/s

And we know t = 0.700 s. So we can solve for a:

a = v / t = 26.82 m/s / 0.700 s = 38.3 m/s²

So it takes the VW Beetle 11.38 s to reach 60.0 mi/h with an acceleration of 2.35 m/s². So the acceleration of the top-fuel dragster is 38.3 m/s².

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The required potential energy at the bottom of the swing is calculated to be 78.7 J.

The mass of the child is given as m = 20 kg

Length of the rope L = 1.8 m

Angle of the rope from the vertical after pulling is θ = 39°

The swinging motion of the child is shown in the figure in the attachment below.

Let us calculate the potential energy for the child at extreme position with respect to the bottom position,

PE = m g ( L - L cos θ) = 20× 9.81 × 1.8 ( 1 - cos 39°) = 78.7 J

Here, g is acceleration due to gravity

Thus, the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing is calculated to be 78.7 J.

The given question is incomplete. The complete question is 'A 20 kg child plays on a swing having support ropes that are 1.8 m long. A friend pulls her back until the ropes are 39° from the vertical and releases her from rest.'

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A ball is thrown horizontally from the roof of a building then the ball's initial speed is 7.98m/s.

Initial Velocity is defined as the velocity at time interval t = 0 and is represented by u.

Initial speed will be 7.68 m/s

Given, height of the building is

H = 7.5 m

As now we know that ball is thrown horizontally, so here initial speed in vertical direction is zero.

u = 1/2 * a *t^2

7.6 = 1/2 * 9.8 * t^2

t = 1.24 sec

The horizontal distance covered by the ball in the same time is , d = 9.5m

d= v t

v = 9.9/1.24

= 7.98 m/s

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The angle of take-off relative to the horizontal is 70.97 ° and the magnitude of the resultant velocity vector is 9.99 m/s.

The horizontal velocity = 9.47 m/s

The vertical velocity = 3.21 m/s

The resultant velocity is expressed by using Pythagoras as follows :

Resultant Velocity , V = √ Vx²  +  Vy²

Resultant Velocity , V = √ (9.47 m/s )² + ( 3.21 m/s)²

Resultant Velocity , V  = 9.99 m/s

The angle of take - off :

tan Ф = Vy / Vx

Ф = tan⁻¹ ( 9.47 / 3.21 )

  = 70.97 °

Thus, the angle is 70.97 ° .

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In this problem all the kinetic energy of the bullet is converted to potential 308.25∼308m/s.

Using the conservation of momentum

Therefore we have

By substitution to find the speed of the bullet

v= m bm b+m d

​2gh=0.012.01

2(9.8)(0.12)

​ =308.25∼308m/s.

Ballistic pendulum, a tool for determining a projectile's velocity, such as a bullet's. The pendulum bob is a large wooden block hung by two ropes. A bullet's momentum is transferred to the bob when it is shot into it. The pendulum swing's amplitude may be used to calculate the momentum of the bullet.

In this experiment, a ball shot from a spring pistol will have its velocity measured. Police laboratories have been measuring the muzzle velocities of weapons using ballistic pendulums for many years. Large block hanging by ropes made up the ballistic pendulum.

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Distance traveled in a given amount of time is equal to the average speed. utilizing the formula s=ut+21at2s=510+212102s=50+100=150m.

By understanding how far an object is from us, we may calculate its actual size. It is possible to calculate the space that an object takes up in the sky. The actual size of an object can then be determined by taking into account its distance. The further away something is, the smaller it appears.

A common metric length from around three feet, 3 inches is called a metre. This proves that in the metric system, a meter is a measuring unit. Objects up to one meter in length include yardsticks, baseball bats, and guitars. Distances in sporting events like run and swimming are also measured in meters.

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The statement of equipotential lines passing through a point perpendicular to the direction of the electric field at that point is true.

Equipotential fields are fields where every point in the field has the same electric potential. For an electric charge, the equipotential field is a spherical shell and the electric field lines are radial and always perpendicular to the equipotential field. Any electric charge transferred in the equipotential field requires no work.

In mathematics and physics equipotential refers to a region in space where every point in it has the same potential. In electricity, it can be defined as the position of points that have similar potential values. Equipotentials are often referred to as equipotential surfaces or fields, namely fields that have a set of points that are spread continuously and have similar potentials.

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The right response is That dry air will get drier and the moisture will get even more moist.

Mass is a physical quantity. This unit of mass measuring is an object's weight. It is measurable in conventional mass units such milligrams, kilograms, and pounds. Although smaller things are measured in grams, the kilogram is the actual SI mass unit.

The best way to grasp mass is the amount of matter that any item or body is made of. There is mass in everything we are able to see. A table, a chair, your bed, the ball, a cup, or even air are examples of items with mass. Everything is therefore either lighter or heavy.

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The ratio of the ideal projectile distance on the moon to the same projectile distance on earth, moon/back, is approximately (the acceleration of gravity on the moon is 1.62 m/s², about one-sixth of the acceleration due to gravity on earth. for a given initial velocity v0  , and the specified launch angle θ0) is ⅙ (option B)

The initial velocity, launch angle, and acceleration due to gravity all affect a projectile's range. The formula for an ideal projectile's range is as follows:

R = v0²sin (2θ0) / g

Where,

v0 = the initial velocity (m/s)

θ0 = the launch angle

g = the acceleration due to gravity

The acceleration caused by gravity is 1.62 m/s² for the moon and 9.8 m/s² for the earth. Ranges on the moon and ranges on earth can be expressed as follows:

R moon / R earth = (1.62 sin (2θ0)) / g

sin (2θ0) = 1.62 / 9.8

Approximately ⅙

Consequently, an ideal projectile's range on the moon is around a sixth of its range on Earth.

The question is incomplete, it should be:

The acceleration due to gravity on the moon is 1.62 m/s², approximately a sixth of the value on earth. for a given initial velocity v0, and a given launch angle θ0, the ratio of the range of an ideal projectile on the moon to the range of the same projectile on earth, rmoon/rearth, will be approximately?

A. ⅓

B. ⅙

C. 1

D. 1/12

E. ⅕

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Moon rocks have to do with a module called exposure and risk because even if the substance is hazardous, if we're not exposed, we're not at risk.

The measurement of potential future loss resulting from a certain event or business action is known as risk and exposure, and it can be computed as the probability of the event multiplied by the predicted loss as a result of the risk impact.

Risk analysis includes the estimation of the probability that a specific incident will cause the company to suffer a loss. Therefore, it is crucial for management to comprehend, estimate, and take the appropriate actions to avoid or mitigate that risk.

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Answer:

B) the surface has a high coefficient of friction

When an object is not moving despite an applied force, it means that the frictional force is equal to or greater than the applied force. A high coefficient of friction indicates that the frictional force is strong, making it difficult to move the object. In this case, the frictional force is equal to the 100 N of force that Devon is applying, so the coefficient of friction for the surface must be high.

Engine size and mpg (miles per gallon) are the two attributes that are most weakly correlated

Engine size and mpg (miles per gallon) are the two attributes that are most weakly correlated. Engine size and mpg have a negative correlation, meaning as engine size increases, mpg decreases.

Acceleration and engine size have a positive correlation, meaning as engine size increases, acceleration also increases. This correlation is stronger than the correlation between engine size and mpg.

Acceleration and vehicle weight have a negative correlation, meaning as vehicle weight increases, acceleration decreases. This correlation is also stronger than the correlation between engine size and mpg.

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