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The v -t graph of a moving object is giv...

The `v -t` graph of a moving object is given in figure. The maximum acceleration is

A

`1 cms^(-2)`

B

`2 cms^(-2)`

C

`3 cms^(-2)`

D

`6 cms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Maximum acceleration means maximum change in velocity in minimum time interval.
In time interval t = 30 to t = 40 s
`a=(Delta upsilon)/(Delta t)=(80-20)/(40-30)=(60)/(10)=6 cms^(-2)`
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DC PANDEY ENGLISH-MOTION IN A PLANE-Check point 3.6
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