Physics

# Average velocity of a particle is zero but not its average speed .. is it possible?

Yes - for example, if an object moves in a circle.

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## Related Questions

When the length of the time is decreased more and more ,average velocity of the particles equals instantaneous velocity.

To find average velocity, you need to know the displacement. If you knew displacement, average velocity would be found by: V = Displacement / time

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

If the car has an average speed of 65 mph, when it returns to its starting point, it will have a displacement of zero and an average velocity of zero, because velocity has both speed and direction.

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.

Yes, since velocity is speed and direction its average can be zero. For example say a plane flies from point A to point B at 300 mph and turns around to go from B to A at 300 mph; its average velocity is 0 since it is in the same spot as it started ( the velocity vectors cancel) but its average speed is 300 mph.

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 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.

Average velocity is the distance traveled divided by the time it takes to travel that distance. Average velocity is also called "velocity".

Average velocity equals the average speed if (and only if) the motion is in the same direction. If not, the average speed, being the average of the absolute value of the velocity, will be larger.

velocity is a vector and speed is scalar. Velocity has magnitude and directions, with magnitude being speed. The magnitude of average velocity and average speed is the same.

Average velocity = displacement over time

The term "velocity", as used in physics, DOES have an associated direction. Most derived terms, such as "average velocity", also do.

Yes it is possible. If a body goes round a circular path then distance covered by one full rotation will be 2 pi r But the total displacement is 0. Hence the average speed exists but average velocity does not exist.

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

All experimental observations until now are in unanimous agreement that such an event cannot occur. Within the limits of our ability to measure the relevant quantities to date, it appears to be impossible.

Yes. it is possible to have average speed (even average velocity as vector, &lt;v&gt; ) to be zero. But the velocity in a given time is not zero. A famous example is electron in magnetic field. It has velocity but orbiting (classically), however it's average position is the same (quantum mechanically), so the electron stays there and do not go anywhere (no current).

The average velocity over an time interval is the average of the instantaneous velocities for all instants over that period. Conversely, as the time interval is reduced, the average velocity comes closer and closer to the instantaneous velocity.

No. Average velocity is still a velocity.Distance is a product of (a velocity or speed) times (a length of time).

Average velocity is zero if the displacement is zero. Average velocity = Displacement/Time = 0/Time = 0.

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