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A car is standing 200m behind a bus , wh...

A car is standing 200m behind a bus , which is also at rest . The two. Start moving at the same instant but with different forward accelerations. The bus has acceleration `2 ms ^(-2)` and The car has acceleration `4 ms^(-2)` The car will catch up will the bus after time :

A

`sqrt(120) s`

B

`15 s`

C

`10sqrt(2)s`

D

`sqrt(110) s`

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The correct Answer is:
C
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