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I have attached my query plz sove that question And help me

I have attached my query plz sove that question
And help me

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Grade:12th pass

1 Answers

Vikas TU
14149 Points
5 years ago
Dear Student,
accelertaion is the slope of v-t graph.
So from 0-t1 the velocty is increasing and hence the slope is positive and constant so the accelration will be positive constant.
From t1  – t2 the slope is constant and hence the acceleration would be zero.
From t2 – t3 the slope is negative and hence the accelration would be negative.
From t3 – t4 the slope is again psotive and hence the accelration would be positive too.
Hence d option is correct.

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