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A body covers 200 cm in the first 2 sec ...

A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec under constant acceleration. Then the velocity of the body after 7 sec is

A

`-15cm//s`

B

`115cm//s`

C

`10cm//s`

D

`20cm//s`

Text Solution

Verified by Experts

The correct Answer is:
C
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