A solid sphere of mass 1.5 kg rolls on a frictionless horizontal surface, its centre of mass moving at a speed of "5ms"^(-1). Then it rolls up an incline of 30^(@) to horizontal. If the height attained by the sphere before it stops is (g=10"ms"^(-2))7/xm then find x.

A solid sphere of mass 1.5 kg rolls on a frictionless horizontal surfa

1.	A solid sphere of mass 1.5 kg rolls on a frictionless horizontal surface, its centre of mass moving at a speed of "5ms"^(-1). Then it rolls up an incline of 30^(@) to horizontal. If the height attained by the sphere before it stops is (g=10"ms"^(-2))7/xm then find x.
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