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If a body travels 30 m in an interval of...

If a body travels 30 m in an interval of 2 s and 50 m in the next interval of 2s. Then the acceleration of the body is

A

`10m//s^(2)`

B

`5 m//s^(2)`

C

`20 m//s^(2)`

D

`25 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
, `s_(1)= ut_(1) + (1)/(2)t_(1)^(2)`
`s_(1) + s_(2) =u xx t_(1) + t_(2) + (1)/(2) a(t_(1) + t_(2))^(2)`
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