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If a man has a velocity varying with tim...

If a man has a velocity varying with time given as `v=3t^(2),v` is in `m//s` and `t` in `sec` then `:`

Find out his displacement after 2 seconds of his start `:`

A

`10 m`

B

`6m`

C

`12m`

D

`8m`

Text Solution

Verified by Experts

The correct Answer is:
D
`underset(o)overset(s)intdS=underset(0)overset(2)int3t^(2)dt`
`S[t^(3)]_(0)^(2)=8`
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Knowledge Check

  • If a man has a velocity varying with time given as v=3t^(2),v is in m//s and t in sec then : Find out his acceleration after 3 seconds :

    A
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    D
    `6m//s^(2)`

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