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A particle starts from rest at t=0 and ...

A particle starts from rest at t=0 and moves in a straight line with acceleration as shown below. The velocity of the particle at t = 3 s is

A

`2ms^(-1)`

B

`4ms^(-1)`

C

`6ms^(-1)`

D

`8ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Velocity = area under t a graph
`rArr 4 xx 1.5 - 2 xx 1 = 4m//s`
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