1.

A man of height 1.8 m walks away from a lamp at a height of 6m. If the man's speed is 7 m/s, fimd the speed in m/s at which the tip of the shadow moves

Answer» A man of height 1.8 m walks away from a lamp at a height of 6m. If the man's speed is 7 m/s, fimd the speed in m/s at which the tip of the shadow moves


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