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2009-01-05 11:40:50
2009-01-05 11:40:50

In common speech, velocity means speed, they are the same thing.


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velocity means speed of an object and in a definite direction.That shows velocity changes with speed

The speed is the MAGNITUDE of the velocity, i.e., without regard to the direction.

No. If the speed varies, the body accelerates, and velocity cannot be constant.

YES!!!!!!!!!!!! A body can have equal velocity and speed at the same time. for suppose a body is travelling at 20m/s in north direction then the speed of the body is also equal to 20m/s. hence speed and velocity are equal in this case.

A body moving at a uniform speed may have a uniform velocity, or its velocity could be changing. How could that be? Let's look. The difference between speed and velocity is that velocity is speed.

Part of every velocity is a speed. Speed is the size of the velocity.But the velocity also has a direction, which the speed doesn't.'30 mph North' and '30 mph West' are the same speed but different velocity.

No. Velocity is speed and direction. If you change either variable, the velocity will no longer be constant.

mass x velocity = momentum. (velocity = speed with a direction)

No. Speed is the magnitude of velocity. If the speed varies, so will the velocity, even if you are moving in a uniform direction.

No, not at all possible. But constant speed with changing velocity is possible.

No. A body with constant velocity is either stationary or going at constant speed in a constant direction. The usual interpretation of speed and velocity goes like this. A velocity is a vector with magnitude and direction. The magnitude is usually called its speed. Changing a speed must change the length of the vector and changing the length of the velocity vector has to change the velocity.

Yes. Velocity is rate (or speed) in a given direction. If you change your direction but not your rate (or speed) then you have changed your velocity without changing speed.

the instantaneous velocity or speed is the speed a body travels at a particular and average velocity is the total distance an object

No. A velocity indicates a speed and direction. An acceleration is a change in speed or direction.

Yes, velocity involves speed and direction. So if the direction and the speed change at a certain rate, the velocity could stay the same.

That is the speed or velocity.That is the speed or velocity.That is the speed or velocity.That is the speed or velocity.

Of course. In fact, in order to have constant velocity, it must have constant speed.What you really want to know: Can a body have changing velocity when it has constant speed ?The answer to that one is also "yes", for example when it is moving in a circle, the speed is constant but the velocity is changing all the time (in direction).

"Velocity" means the speed of the object and the direction in which it's moving.If the direction changes, then the velocity has changed, even though the speedmay be constant.

Simly stated, velocity is speed in a defined direction. If you travel 5mph north, the speed is the same as if you travel 5mph east, but the velocity is different.

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

No, because constant velocity means constant speed and constant direction

The magnitude of the velocity is always equal to the speed. But velocity is a vector quantity (has a magnitude and direction) while speed is just a scalar quantity (only magnitude). So velocity and speed are never equal.

No. It's called the 'speed' of the body. It's the size of the velocity, but it's not complete informationabout the velocity. If you also give the direction of the displacement, then that information, alongwith the speed, defines the velocity.

speed =dist/time velocity=displacement/time difference is that velocity depicts the direction in which a body is moving as displacement is one of it"s attriebutes but speed does not

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