Question

Define acceleration what it's formula​

Answer 1

Answer:

The definition of acceleration is a change in the rate of motion, speed or action.

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Answer 2

Acceleration is the rate of change of velocity.

$acceleration = \frac{(final \: velocity - initial \: velocity)}{time} \\ or \\ a = \frac{(v - u)}{t} \\ \\ The \: S.I. \: unit \: of \: acceleration \: is \: \frac{m}{ {s}^{2} } \: or \: m {s}^{ - 2}$.

My last year's notes on acceleration is attached. Hope it helps you!!