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Question

Define acceleration.State its S.I.Unit.

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Solution

In physics or physical science, acceleration(symbol: a) is defined as the rate of change (or derivative with respect to time) of velocity.It is thus a vector quantity with dimension

fraction numerator l e n g t h over denominator t i m e squared end fraction

In SI units, acceleration is measured in fraction numerator m e t e r over denominator s e c o n d squared end fractionusing an accelerometer.

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