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Answered 2012-02-14 07:16:30

i will give u an illustration, consider an object projected (thrown)with some initial vertical velocity from the ground such that it traces a open downward parabolicpath, in that path the vertical displacement of the body from the point of projection to the point where it strikes the ground is equal to zero,but it have some velocity.

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No, you cannot have a zero displacement and a nonzero average velocity. If the object has not moved any where how can you attain a nonzero velocity? You cannot.

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

Yes. An object moving at constant velocity would have zero acceleration.

When the velocity is zero at the crossing of the time axis, the displacement must be a full maximum or minimum. Scroll down to related links and look at "Displacement - Velocity- Acceleration".

Speed is distance by time and velocity is displacement by time. If an object is moving with speed distance can never be zero but displacement can. So we say velocity can be zero.

Definitely. Acceleration is defined as a change in velocity, so as long as the velocity doesn't change, acceleration is zero.

As, in the velocity-time graph, curves passes through zero means 'when time is zero velocity is zero'. Velocity is time derivative of displacement. So displacement is maximum or minimum when time is zero in position-time graph.

Zero. That's the instant at which its velocity changes direction. In order to do that, its magnitude has to be zero at that point in time.

An object moving in a circular path at constant speed will have a non-zero average speed and zero average velocity since velocity is a vector parameter,

the displacement is zero.Note that distance travelled would not be zero though. as velocity doesn't signify anything abt distance travelled.speed will give you what distance you travelled.Since average velocity is zero, some component is negetive some positive or no movement at all. whichever case may be, the displacement will be zero.

The velocity is zero because the total displacement vector is zero.

Yes. As long as the inital and end positions are different, you will have a nonzero average velocity.

No because velocity defined as speed in a given direction so if speed is 0 then velocity must also be 0

Yes, dD/dt = d0/dt = 0 thusDisplacement D=0 and Velocity dD/dt=d0/dt = o.

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.

Yes, if, for example, a car races around a circuit, its total displacement is zero and so its velocity, at the end of every lap, is zero.

Zero acceleration and constant velocity describe this.

Acceleration is the rate of change of velocity, a=dv/dt Therefor if a= 0 the velocity is constant or constantly the same. It can have any value however while it remains the same.

A quantity which does not equal zero is said to be nonzero.

Displacement and acceleration are zero at the instant the mass passes through its "rest" position ... the place where it sits motionless when it's not bouncing. Velocity is zero at the extremes of the bounce ... where the expansion and compression of the spring are maximum, and the mass reverses its direction of motion.

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