A man is moving away from a tower 41.6 m...

A man is moving away from a tower 41.6 m high at the rate of 2 m/sec. Find the rate at which the angle of elevation of the top of tower is changing, when he is at a distance of 30m from the foot of the tower. Assume that the eye level of the man is 1.6m from the ground.

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A man is moving away from a tower 41.6m high at the rate of 2m/sec. Find the rate at which the angle of elevation of the top of tower is changing,when he is at a distance of 30m from the foot of the tower.Assume that the eye level of the man is 1.6m from the ground.

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