1.

A man of mass 60 kg sitting on ice pushes a block of mass of 12kg on ice horizontally with a speed of 5 ms^(-1). The coefficient of friction between the man and ice and between block and ice is 0.2. If g =10 ms^(-2), the distances between man and the block, when they come to rest is

Answer»

6 m
6.5 m
3 m
7 m

ANSWER :B


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