Question

What is acceleration​

Answer 1

It's a rate of change in velocity with respect to time.. That's means a=dv/dt, where a is acceleration, v is velocity, t is time.. its unit is ms^-2.

Answer 2

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Acceleration is the rate of change of velocity. Usually, acceleration means the speed is changing, but not always. When an object moves in a circular path at a constant speed, it is still accelerating, because the direction of its velocity is changing.

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