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Newtons Laws of Motion

When average velocity is equal to instataneous velocity?

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Answered 2011-08-08 14:30:44

When acceleration is zero.

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For the instantaneous value of average velocity, average speed and average velocity are equal.


The magnitude of average velocity of an object equal to its average speed if that object is moving with CONSTANT velocity.


At a small time interval, the average velocity is approximately equal to the instantaneous velocity. However, the values of the average velocity and the instantaneous velocity approach each other , as the length of the time interval is decreased more and more.


Mainly, when the velocity doesn't change. Also, in the case of varying velocity, the instantaneous velocity might, for a brief instant, be equal to the average velocity.


When there is no acceleration or when there is constant acceleration. When either of these cases is present, the graph of velocity versus time will be linear. When there is linear velocity, the average velocity will equal the instantaneous velocity at any point on the graph.





It equals an undefined entity. The average acceleration of an object equals the CHANGE in velocity divided by the time interval. The term "change in velocity" is not the same as the term "velocity", "average velocity", or "instantaneous velocity".


That is the case when you are talking about instantaneous speed and velocity - or when the velocity is constant. In the case of an average speed and velocity, this relation does not hold.


When an object is in constant motion (when there is no acceleration). At any point in that motion the average and instantaneous velocities will be the same.


If the velocity is constant (i.e., there is no acceleration). Terminal velocity is an example, although any constant velocity would fit this description.



As long as there is no change in direction then they are effectively the same.


The average orbital velocity of the Earth is equal to 29.78 km/s. This is equal to 66,610.9918 miles per hour.


For example, an object goes in a circle, at a speed of 50 km/hour. The average speed is 50 km/hour; the average velocity is zero.


If the object begins from rest and a constant force is applied to it, then at the end of one second, the magnitude of its velocity is numerically equal to the magnitude of its average acceleration, although the units are different.


It is not possible because the average velocity is equal to the displacement in a given time interval, ie: V = (displacement) / (time interval) As the zero displacement average speed will also be zero.


average velocity means change in displacement and time interval ratio is called as average velocity average velocity what is the velocity at particular instant of time


Velocity is speed and its direction. Average velocity is average speed and its direction.


The rate of change of velocity is known as acceleration. Average acceleration is equal to (V2-V1)/(t2-t1). Acceleration is the derivative of the velocity over time graph.



what is magnitude of average velocity


Average velocity is the average of the velocty of entire motion where as instantaneous velocity is the velocity at an instant, it may be a function of time or displacement.


Average velocity is the average of the velocty of entire motion where as instantaneous velocity is the velocity at an instant, it may be a function of time or displacement.



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