A small block is placed at the top of sphere. It slides on the smooth surface of the sphere. What will be the angle made by the radius vector of the block with the horizontal, when it leaves the surface?

Q: A small block is placed at the top of sphere. It slides on the smooth surface of the sphere. What will be the angle made by the radius vector of the block with the horizontal, when it leaves the surface?

(a) 52°

(b) 48°

(c) 42°

(d) 38°

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Ans: (c)