Answer:
frequency
Explanation:
speed of light = constant = wavelength * frequency
changing WL or F will change the other
A chemical process with an e-factor of 1 creates less waste than an e-factor of 25?
The statement given "A chemical process with an e-factor of 1 creates less waste than an E-factor of 25" is True.
E factor :The E factor takes into account all waste that may be classified as trash, including byproduct waste, residual reactants, solvent losses, spent catalysts and catalyst supports, and any other waste that can be classified as waste. The computation is based on the definition of waste. Since water is typically safe and a considerable byproduct of many chemical processes, its bulk is typically excluded from the calculation of the total mass of waste. Higher E values are generally less desirable and 0 is the ideal E factor. The volume of product produced and the product's value determine the e variables that may be tolerated. Tolerable E factors for bulk chemicals generated in quantities ranging from hundreds of thousands to millions of tons per year typically fall between 1 and 5.Learn more about the Green chemistry with the help of the given link:
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How much compression would happen if you started with 200cm of air inside a syringe
Air starts exerting more and more pressure on the walls of the syringe
What will happen to air particles when the are being compressed in a syringe?
Although the space has grown, the individual atoms and molecules can now go farther before running into a nearby atom or molecule because they can now bounce off the walls of the syringe instead of directly bouncing into one other.
Additionally, as the syringe is compressed, you are essentially cramming the same molecules into less space, which causes them to traverse shorter distances and collide more frequently.
This has to do with pressure because when molecules strike the syringe's walls, they bounce off, creating a force and response force that keeps the syringe's walls stiff against the environment it's in or the outside atmosphere. Atoms and molecules essentially bounce off the walls inside the syringe just as much as molecules outside the syringe do when the pressure inside and outside is equal. When the volume of the syringe is increased, the air molecules fill it up, which results in fewer impacts with the inner wall and less force holding the interior rigid to the exterior. Conversely, when the volume is decreased, the impacts happen more frequently because the molecules have nowhere else to go and no more space to travel before encountering another molecule or a wall, so the increase in the frequency of the impacts leads to an increase in the force holding the interior rigid to the exterior.
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How many protons, neutrons, and electrons are there, respectively, in an atom of o-17?.
In an atom of O-17, proton and electron is 8, and neutrons is 9.
The atomic number, sometimes referred to as nuclear charge number, of a chemical element is the charge number of an atomic nucleus. For conventional nuclei, this is comparable to the proton number, or the number of protons found in the nucleus of each atom of that element.The atomic number of oxygen is 8. Therefore, an atom needs 8 protons in order to be referred to as an oxygen atom. For instance, an atom will no longer be oxygen if it has 9 protons and will now be fluorine. Any atom that lacks 8 protons is not an oxygen atom. For an atom to be neutrally charged, the number of protons and electrons within it must match. Therefore, there should be 8 electrons in all. However, depending on the isotope, the neutron count can change. An oxygen isotope is a distinct variety of oxygen. For instance, oxygen-15, which has 7 neutrons, is a possibility. The neutron count for oxygen-16 would be 8, for oxygen-17 it would be 9, and so on.Learn more about the quantum mechanics with the help of the given link:
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Asteroids were recently formed by the collision and breakup of an object orbiting in the asteroid belt. True or false?.
It is false that asteroids were recently formed by the collision and breakup of an object orbiting in the asteroid belt.
Asteroids are stony objects that orbit the sun but are too tiny to be classified as planets. They're also referred to as planetoids or small planets. There are millions of asteroids that range in size from hundreds of kilometers to a few feet. The combined mass of all asteroids is less than that of Earth's moon.
The solar system's makeup is fairly uniform. The combined mass of the planets is substantially less than that of the Sun. The majority of comets have short periods and orbit near the ecliptic plane.
The asteroid belt is a torus-shaped area in the Solar System lying roughly between Jupiter and Mars' orbits. It is home to a large number of solid, irregularly shaped things of various sizes, but far smaller than planets, known as asteroids or minor planets. To distinguish it from other asteroid populations in the Solar System, such as near-Earth asteroids and Trojan asteroids, this asteroid belt is sometimes known as the major asteroid belt or main belt.
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pls help me. “ how does this poem illustrate the importance of observation in the scientific method?” from the elephant poem PLEASE HELPPPP
The six blind men and elephant poem illustrates how observation is important to understand the subject and how scientific observations are affected by our own perspectives.
In the story, six blind men from Indostan were made to feel an elephant, but they could only touch one part of it like the tusk or the feet. As a result, each man's perception of what the elephant felt like varied. But since they had all felt the same elephant, all of their opinions were accurate.
In science, observation is vital. Scientists employ observation to gather and record facts, which enables them to create and then test their own hypotheses and ideas, just like in the poem where each individual came to his own conclusions. This is why it is common that different scientists reach different conclusions for the same experiment.
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A defibrillator connected to a patient passes 16.0 a of current through the torso for 0.0200 s. how much charge moves?
A defibrillator connected to a patient passes 16.0 a of current through the torso for 0.0200 s. A charge of 0.32C moves.
CalculationDefibrillator passes 16A through the torso of an individual
The time is 0.0200
The charge can be calculated as follows
= I × t
= 16 × 0.0200
= 0.32C
What is a defibrillator?Defibrillators can also restart an abruptly stopped heart. The sole therapy for someone in cardiac arrest is defibrillation. Rapid defibrillation is essential for survival and one of the most important measures in saving a life from Sudden Cardiac Arrest because a person’s chances of survival decrease by 7–10% for each minute that they do not receive it.
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The planet in our solar system whose orbit actually brings it inside the orbit of another planet is?
Pluto is a planet in our solar system whose orbit brings it inside the orbit of another planet.
What is the explanation for this?Numerous planets can be found in our solar system that Pluto is a member of. Pluto is a planet with an eccentric orbit that is highly oval in form and causes it to enter another orbit. It managed to enter Neptune's orbit. In comparison to Pluto, the dwarf planet, even Neptune can occasionally be far from the sun.
EThe events taking place on the planet are really unusual. In the years 1979 and 1999, it happens. Pluto, however, has never collided with Neptune. This occurs because Pluto only completes two of its three orbits around the sun, whereas Neptune completes three. This event stops two bodies from colliding.
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A ball is thrown directly downward with an initial speed of 7.95 m/s from a height of 30.6 m. after what time interval does it strike the ground?
Answer:
1.82 seconds
Explanation:
∆ y = 1/2at^2 + Vi*t
a is acceleration, y is height, and Vi is initial velocity
30.6 = 1/2*9.8*t^2 + 7.95 * t
simplify and rearrange
4.9t^2 + 7.95t - 30.6 = 0
solve the quadratic
t = 1.816128... and a negative number, but since this is physics, in this case time can't be negative
Round to 3 significant figures
t = 1.82
Electrical insulating gloves marked with a yellow label have a maximum use voltage level of _____ v.
Electrical insulating gloves marked with a yellow label have a maximum use voltage level of 17000 V.
What is an electrical insulator?Electric current cannot readily travel through an electrical. Due to their closely bonded state, the insulator's atoms' electrons are immobile. Electric current can flow through other materials more easily, such as semiconductors and conductors. Insulators have higher resistivities than semiconductors or conductors, which makes them stand out from other materials. Non-metallic are the most typical examples.
Since even insulators contain minute amounts of mobile charges (charge carriers) that can carry current, a perfect insulator does not exist. A sufficiently high voltage is supplied to cause the electric field to pull electrons from atoms, which causes all insulators to turn electrically conductive. An insulator's breakdown voltage is what this is.
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A certain reaction has an activation energy of 33.09 kj/mol.33.09 kj/mol. at what kelvin temperature will the reaction proceed 3.503.50 times faster than it did at 359 k?
At 8.3145 k temperature will the reaction proceed 3.503.50 times faster than it did at 359 k.
What is activation energy?Enactment energy is the base measure of energy expected to start a response. It is the level of the potential energy obstruction between the potential energy minima of the reactants and items. Actuation energy is indicated by E and normally has units of kilojoules per mole (kJ/mol) or kilocalories per mole (kcal/mol). Regardless of whether the energy of reactants is more prominent than that of its items and the outcome is a general loss of energy, energy actually should be input at first for the response to happen. Nonetheless, in a large number of the cases in which a response is thermodynamically plausible it has likewise demonstrated conceivable to track down an impetus, dynamic and particular enough to understand this response.
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What is the average rate of decomposition of a3 in the time interval 20-30 seconds?
5.0E-6(0.000005) is the average rate of decomposition of a3 in the time interval 20-30 seconds.
what is decomposition?Decomposition, often known as rot, is the breakdown of dead organic matter into more basic organic or inorganic components such carbon dioxide, water, simple sugars, and mineral salts.The procedure, which is a component of the nutrient cycle, is crucial for recycling the limited amount of stuff that takes up real estate in the biosphere.After a live thing dies, its body starts to decay.Animals like worms also contribute to the breakdown of the organic compounds. Decomposers are organisms that carry out such processes.Despite the fact that no two creatures degrade in exactly the same way, they all go through the same sequential phases.Taphonomy, which comes from the Greek word taphos, which means tomb, is the broad name for the science that examines decomposition.To learn more about decomposition, refer to the following link:
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U = 3, 9 , v = 4, 2 (a) find the projection of u onto v. (b) find the vector component of u orthogonal to v.
Answer:
(a) At U = 3, 9 , v = 4, 2, the projection of u onto v is w1=<2,8>
(b)At U = 3, 9 , v = 4, 2, the vector component of u orthogonal to v is w2 = <4,-1>
Explanation:
A
The projection of u onto v is given by:
w1= projvu = (u⋅v||v||2)v
Given that u= <6,7> and v=<1,4>, we can find the projection of u onto v as shown below:
w1= projvu = (u⋅v||v||2v=(<6,7>⋅<1,4><1,4>⋅<1,)
=(6⋅1+7⋅41⋅1+4⋅4)<1,4>
=3417<1,4>
=<2,8>
Part B
The vector component of u orthogonal to v is given by:
Using the given vectors and the projection found in part (a), we can find the vector component of u orthogonal to v as shown below:
w2=u−projvu
=<6,7≻<2,8>
=<(6−2),(7−8)>
=<4,−1>
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If a car moving at 76 mi/h takes 400 ft to stop with uniform acceleration after its brakes are applied, how far will it take to stop under the same conditions if its initial velocity is 38 mi/h ?
80 step it will take to stop under the same conditions if its initial velocity is 38 mi/h.
What is velocity?Speed is the directional speed of an item moving as a sign of its pace of progress ready as seen from a specific edge of reference and as estimated by a specific norm of time (for example 60 km/h northward). Speed is an essential idea in kinematics, the part of old-style mechanics that portrays the movement of bodies. Velocity is characterized as the pace of progress of position concerning time, which may likewise be alluded to as the immediate speed to stress the qualification from the typical speed. In certain applications the typical speed of an item may be required, in other words, the steady speed that would give a similar resultant relocation as a variable speed.
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I need help with this ASAP.. it was due today
Answer:
4:Hhhhghhhhhhhhhhhhhhhhhhhhhhhhhhhhh. 5:Bbbbbbbbbbbbbbbbbbbbb
What type of boundary is depicted in the image below?
a.
transform
b.
collisional
C.
convergent
d.
divergent
Write a formula for a triangular wave with period 6, minimum value 0 and maximum value of 10
The equation for triangular wave with period 6 and amplitude 10 is -
[tex]$y=\frac{40}{6} |(x -\frac{6}{4})\;mod\;6)-\frac{6}{2}| - 10[/tex].
We have a triangular waveform.
We have to determine the equation representing this triangular waveform.
What is Waveform?
A waveform is a graphical representation of the shape of a wave that indicates its characteristics such as frequency and amplitude.
According to the question, we have -
Time Period = 6
Minimum value = 0
Maximum value = 10
Therefore -
Range → R ∈ [0, 10]
Amplitude = Max. value - Min. value = 10 - 0 = 10
The general equation for a triangle wave with amplitude 'a' and period 'p' is given by →
[tex]$y=\frac{4a}{p} |(x -\frac{p}{4})\;mod\;p)-\frac{p}{2}| - a[/tex]
Now -
a = 10
p = 6
Substituting values -
[tex]$y=\frac{40}{6} |(x -\frac{6}{4})\;mod\;6)-\frac{6}{2}| - 10[/tex]
Hence, the equation for triangular wave with period 6 and amplitude 10 is -
[tex]$y=\frac{40}{6} |(x -\frac{6}{4})\;mod\;6)-\frac{6}{2}| - 10[/tex]
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What tools would u bring if u were lost in forest to survive?
Explanation:
two strings fire sticks water
Answer: i would bring a flashlight, cans of food , water filter, swiss army knife, rope, and a radio
Explanation:
a) How far did the vehicle travel in total?
I need help on how to count each distance please
The total distance travelled during the vehicle's journey as found from the speed-time graph is 6.125 m
V = d / t
V = ( u + v ) / 2
V = Average Speed
d = Distance
t = Time
u = Initial velocity
v = Final velocity
During the first 0.5 s, u = 0 and v = 1 m / s.
d = ( 0 + 1 ) * 0.5 / 2
d = 0.25 m
During the next 0.5 s, u and v are equal meaning constant velocity ( V = 1 m / s ).
d = 1 * 0.5
d = 0.5 m
During the next 1 s, u = 1 m / s and v = 1.5 m / s.
d = ( 1 + 1.5 ) * 1 / 2
d = 1.25 m
During the next 2.5 s, u and v are equal meaning constant velocity ( V = 1.5 m / s ).
d = 1.5 * 2.5
d = 3.75 m
During the next 0.5 s, u = 1.5 m / s and v = 0.
d = ( 1.5 + 0 ) * 0.5 / 2
d = 0.375 m
Total distance travelled is the sum of all the individual distances calculated.
Total distance travelled = 0.25 + 0.5 + 1.25 + 3.75 + 0.375
Total distance travelled = 6.125 m
Therefore, the total distance travelled during the vehicle's journey as found from the speed-time graph is 6.125 m
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Are the stack temperature and oxygen reasonable for these operating conditions? if not, what oxygen and stack temperature would you recommend if not? what is the efficiency with your chosen values?
Stack temperatures typically range from 350 to 450 degrees Fahrenheit. A 2.5% efficiency loss occurs for every 100 degrees over that temperature. The majority of buildings schedule annual boiler cleanings at regular intervals, but if you see those figures rise, it's time for a cleaning.
Excess air is required to completely burn the fuel since the air and fuel cannot combine exactly in a burner. Additionally, any leaks in the heater will draw air into the firebox that doesn't pass through the burners since the furnace or boiler firebox operates at a little negative gauge pressure. Fuels that are gaseous, like natural gas, burn more readily than fuels that are liquid or solid. Depending on the fuel type, different surplus air requirements will apply.
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An electric heater uses a current of 15 A. In total, 450 C of charge flows
through the heater while it is switched on. Calculate how long the heater was
switched on for. Use the symbol equation below to help you. You may need to
rearrange the equation.
Q=It
Answer:
30s
Explanation:
Q = charge in C(coulombs)
I = current in A(amps)
t = time in s(seconds)
Q = I × t
t = Q/I
Substitute in the given values.
t = 450C/15A = 30
t = 30s
Hope this helps! ^^
The heater was switched on for 30 seconds to allow 450 C of charge to flow through it.
To find the time the heater was switched on, we can use the equation Q = It,
where Q represents the total charge in coulombs, I is the current in amperes, and t is the time in seconds.
Given that the current (I) is 15 A and the total charge (Q) is 450 C, we can rearrange the equation to solve for time (t):
t = Q / I
Substitute the values:
t = 450 C / 15 A
t = 30 seconds
Therefore, the heater was switched on for 30 seconds to allow 450 C of charge to flow through it.
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With what speed (in feet/second) must a ball be thrown vertically upward in order to rise to a height of 18.1 ft, neglecting air resistance?
The maximum speed by which a ball is thrown vertically upward is 34.1255 ft/sec. as the height in the given data is 18.1 ft.
What is vertical launch upwards?In physics, vertical launch upward may be characterized as the motion that is illustrated by an object that has been set afloat vertically upwards in which the height and the consequences of the earth's gravitational force set in motion of an object are taken into consideration.
According to the question,
The formula for the vertical launch upward may be as follows:
y max = v₀²/(2*g).where v₀ = initial velocity
g = gravity max = maximum height.
We know that,
g = 32.17 ft/s²
On applying the formula of maximum speed and clearing the initial velocity we get:
y max = v₀²/(2*g)
v₀ = √(y max * (2*g)
v₀ = √( 18.1 ft * (2 * 32.17 ft/s²)
v₀ = √( 18.1 ft * 64.34 ft/s²)
v₀ = √1164.554 ft²/s²v₀ = 34.1255 ft/sec.
Therefore, the maximum speed by which a ball is thrown vertically upward is 34.1255 ft/sec. as the height in the given data is 18.1 ft.
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According to the giant impact hypothesis about the formation of the moon. Why did the earth not break apart into many pieces when the giant impact happened?
The earth could not be broken apart by the impactor since it was formed of such light material (mostly gas and liquid).
What are the basic features of the theory of the enormous impact ?According to the Giant Impact Hypothesis, which is the most widely accepted theory for how the moon formed, the Earth and a Mars-sized object called Theia collided with each other as they were forming as protoplanets. The moon was created from a large amount of debris. According to this theory, the Moon was created after the Earth collided with a smaller planet that was around Mars' size. The Moon was created when the impact's leftover debris gathered in an orbit around Earth.
The larger body may have caught the iron core of the striking object.
The key to this theory is understanding how consciousness works and harnessing its power for good. By doing so, we can help to manifest positive changes in our world collectively.
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A certain hydrogen spectral line has wavelength 1875 nm when measured in the laboratory. that same line, when measured in a star, has wavelength 1872 nm. what can we say about the star?
The star having wavelength 1872nm is moving toward the earth.
It happens due to the phenomena of Doppler shift. Doppler effect, commonly known as Doppler shift and it is defined as The change is the wavelength or frequency of waves as a result of an observer's motion In relation to the web source.
In visible light it is possible to see the apparent wavelength emitted by stars and galaxies. As a result, a start moving towards the earth appears to emit light with a the short wavelength.
Then the light shows that is static. It is known as blue shift because here spectrum is shifted towards the blue end due to the shortest wavelength.
And when a start goes away from us, it appears that it shifts It's light towards longer wavelength.
This end is referred as redshift because it is closer to the red end of the spectrum.
Add the spectrum of a particular star. Shown that the line appearing at the shortest wavelength is 1872nm in comparison to the laboratory measurement. This shows the same hydrogen line at a greater wavelength 1875.nm results that star is moving towards the Earth.
The star having wavelength 1872nm is moving toward the earth.
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The potential difference between two conductors which are insulated from each other is measured in?
Answer: Volts.
Explanation: bc its right
Ernest rutherford was an important early researcher in nuclear physics. In one experiment, he observed that particles with a positive charge deflected when passing through a thin sheet of gold foil. What conclusion did rutherford make in this observation?.
Answer:
Ernest Rutherford observed that particles with a positive charge deflected when passing through a thin sheet of gold foil, concluding that the atom's positive part is small and dense.
Explanation:
The Ernest Rutherford experiment describes planetary model of an atom. According to the model, an atom has a tiny, compact, positively charged centre called a nucleus, where almost all of the mass is concentrated, while light, negatively charged particles called electrons orbit far around it, much like planets orbit the Sun. In his experiment, the observation that a positive charge is deflected through a thin sheet of gold foil led to the conclusion that the deflection some of the positive charge occurs in a small region of the atom. At the same time, the majority passed through the atom (which was also concluded to be empty space).
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Calculate the mass of nitrogen dissolved at room temperature in an 80.0-l home aquarium. assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
The mass of nitrogen is calculated as 1.092 grams
CalculationAccording to Dalton's Law of partial pressure:
Pn2 = Ptotal Xn2
Were,
Pn2is the partial pressure of nitrogen
Ptotal is the Total pressure
Xn2is the mole fraction of nitrogen
Given:
Total pressure = 1.0 atm
Mole fraction of nitrogen = 0.78
Partial pressure of nitrogen:
Pn2= 1.0 x 0.78 atm
Partial pressure of nitrogen = 0.78 atmAccording to Henry's law:
Solubility = Henry's constant (k)×Partial pressure
k = 6.26×10⁻⁴ mol/L-atm
Thus,
Solubility of nitrogen = 6.26×10⁻⁴ mol/L-atm×0.78 atm = 4.8828×10⁻⁴ mol/L
Given: Volume = 80.0 L
So, Moles of nitrogen gas dissolved:
Moles = Solubility (Concentration dissolved) ×Volume
Moles = 4.8828×10⁻⁴ mol/L×80.0 L = 0.0390 moles
Also,
moles = mass (m) / molar mass (M)
mass of nitrogen = moles x molar mass
Molar mass of nitrogen gas = 28 g/mol
So,
Mass of nitrogen gas dissolved = 0.0390 moles×28 g/mol = 1.092 grams
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when the capacitor fully charges and saturates in voltage, do you expect the voltage across the capacitor to be the same as the battery voltage, less than the battery voltage, or greater than the battery voltage?
When the capacitor is fully charged, the potential difference across the capacitor is equal to the voltage source.
Capacitor is a device which stores charges. Charges come from the current passing through it.
The charges stored in a capacitor is called capacitance.
Its unit is farad (F)
No current flows in the circuit when a capacitor is fully charged because the potential difference across the capacitor is equal to the voltage source.
Here, the charging current will be zero such that capacitor voltage equal to source voltage.
When the capacitor is fully charged, the potential difference across the capacitor is equal to the voltage source.
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What is the acceleration of a 10 kg mass pushed 5 n forceushed by a 5n(kg-m/s2) (use gresa method)
The final acceleration of the object is 2 m/[tex]s^{2}[/tex].
In this problem,
Applied force(F) = 10 N
The object’s mass (m) is 5 kg.
Having said that,
An object’s force is equal to the product of its mass and the acceleration it experiences as a result of the applied force.
i.e., Mass + Acceleration = Force (a)
F= m×a
Therefore,
A= F÷m
A= (10÷5) m/sec²
A= 2 m/sec²
Consequently, the object’s acceleration,
A=2 m/sec²
Concept of force and acceleration:
This states that the rate of velocity change of an object is directly proportional to the applied force and moves in the direction of the applied force.
It can be expressed mathematically as force (N) = mass (kg) x acceleration (m/s2). Therefore, an object with constant mass will accelerate in direct proportion to the applied force.
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A jogger accelerates at a rate of 0.558 m/s2. how fast is this in mi/hr2? __________ m/hr2 note: 5280 ft/mile, 3.28 ft/m (put your answer in scientific notation, you do not need to include units).
The jogger's acceleration is 0.558m/[tex]s^{2}[/tex]. 9.628 in [tex]m/hr^{2}[/tex] is the acceleration of jogger.
What do you mean by acceleration?The rate at which an object's velocity with respect to time varies is referred to as acceleration in mechanics. The vector quantities are the accelerations (in that they have magnitude and direction). An object's acceleration is determined by the direction of the net force exerted on it.
According to Newton's Second Law, an object's acceleration is determined by a combination of two factors: the mass of the object and its mass, depending on the materials from which it is made. The magnitude of an object's acceleration is directly proportional to the net result of all external forces acting on the object.
The acceleration is measured in meters per second squared in the SI system.
For example, when a vehicle starts from standstill (zero velocity, in an inertial frame of reference) and travels in a straight line at increasing speeds, it is accelerating in the direction of travel. If vehicle turns, an acceleration occurs toward the new direction and changes its motion vector.
The acceleration of vehicle in its current direction of motion is called a linear (or tangential during circular motions) acceleration, the reaction to which the passengers on board experience as a force pushing them back into their seats. When changing direction, effecting acceleration is called radial (or centripetal during circular motions) acceleration, the reaction to which the passengers experience as a centrifugal force.
Jogger's acceleration = 0.558m/[tex]s^{2}[/tex]
1 hour= 3600s
acceleration in mi/[tex]hr^{2}[/tex]=( 0.558*3.28*[tex]\frac{1}{5280}[/tex])/ (1*[tex]\frac{1}{3600}[/tex])= 9.628m/hr[tex]^{2}[/tex]
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At a particular instant a proton exerts an electric force of <5.1e-13, 5.6e-13, 0> n on an electron. how far apart are the proton and the electron?
Electrical forces can be divided into two categories: attractive electrical forces and repellent electrical forces. Similar charges repel one another whereas opposite charges attract one another.
What is meant by electric force?The electric force attracts the nucleus and electrons to one another. The emptiness that a positive or negative charge leaves behind is known as an electric field because a field is produced there.
Electrical forces can be categorized into two groups: those that attract and those that repel. While opposite charges attract one another, similar charges repel one another.
Electrical forces are produced when two charges come into contact with one another. The electric force exerted on a single charge when there are three or more charges present is just the culmination of the results of each charge's interactions with the other charges.
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