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A bus moves over a straight level road w...

A bus moves over a straight level road with a constant acceleration a. A boy in the bus drops a ball out side. The acceleration of the ball w.r.t the bus and the earth are respectively

A

`sqrt(a^(2)+g^(2)),g`

B

`g,sqrt(a^(2)+g^(2))`

C

`a,g`

D

`g,a`

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The correct Answer is:
A
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