1.

An inclined plane is located at anglealpha = 53^(@) to the horizontal. There is a hole at point B in the inclined plane as shown in the figure. A particle is projected along the plane with speed v_(0)at an anglebeta = 37^(@)to the horizontal in such a way so that it gets into the hole. Neglect any type of friction. Find the speed v_(0)(in ms^(-1)) if h = 1 m and l = 8m.

Answer»

9
3
6
12

Answer :A


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