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The velocity time curve of a moving poin...

The velocity time curve of a moving point is shown in Fig. Find the retardation of the particle for the portion `CD`.
.

A

`1 cm//sec^(2)`

B

`2 cm//sec^(2)`

C

`3 cm//sec^(2)`

D

`4 cm//sec^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`a = (v_(2) - v_(1))/(t_(2) - t_(1)) = ( 0 - 60)/(70 - 40) = - 2 m//s^(2)`
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