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A body is mov...

Question

A body is moving with variable acceleration (a) along a straight line. The average acceleration of body in time interval $t_{1}$ to $t_{2}$ is

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Solution

Since acceleration is variable, average acceleration $= \frac{\int a d t}{\int d t}$
$a_{A V} = \frac{\int a d t}{t_{2} - t_{1}}$

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