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A boy on a skate board skates off a hori...

A boy on a skate board skates off a horizontal bench at a velocity of 10 m/s . One tenth of a second after he leaves the bench, to two significant figures, the magnitudes of his velocity and acceleration are :

A

`10 m//s, 9.8 m//s^(2)`

B

`9.0 m//s, 9.8 m//s^(2)`

C

`9.0 m//s, 9.0 m//s^(2)`

D

`1.0 m//s, 9.0 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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