1.

A body of mass 1.5 kg is allowed to slide down along a quadrant of a circle from the horizontal position. In reaching to the bottom, Its velocity is 8m/s. The work done in overcoming the friction is 12J. The radius of circle is (g = 10 ms^(-2))

Answer»

4 m
3 m
5 m
2 m

ANSWER :A


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