(81a^-2) ^-1/2= (ab)^-2
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A man standing on truck which is moving with constant velocity at 147m/s The man throws a ball in such a way
that it returns to the truck after the truck has moved 58.8m intal speed of ball is.
A 9,8 in s
6. 19.6 m/s
C.27.4 ms
D. 30 ms
E 34 4 ms
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