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The v-x graph for a particle moving alon...

The v-x graph for a particle moving along a straight line is shown in the figure. At which of the points marked, the acceleration is negative?

A

1

B

3

C

1 and 2

D

3 and 2

Text Solution

Verified by Experts

The correct Answer is:
B
Acceleration , ` " " a =v( dv)/(dx) `
` v gt0 ` always. ` " , " (dv)/(dx) lt 0 at 3 " "rArr a lt 3 `
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