Question

Define acceleration​

Answer 1

Answer:

rate of change of velocity is called acceleration

Answer 2

Explanation:

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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.

SI unit: m/s2, m·s−2, m s−2