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A particle starts with a velocity of 2m/...

A particle starts with a velocity of `2m//s` and moves in a straight line with a retardation of `0.1m//s^(2)`. The time that it takes to describe `15m` is

A

10 s

B

20 s

C

30 s

D

40 s

Text Solution

Verified by Experts

The correct Answer is:
A

`15=2t-(1)/(2)xx(0.1)t^(2)` or `t=10 s`
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