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A rocket travels vertically at a speed of 1200 km/hr. The rocket is tracked through a telescope by an observer located 13 km from the

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A rocket travels vertically at a speed of 1200 km/hr. The rocket is tracked through a telescope by an observer located 13 km from the launching pad. Find the rate at which the angle between the telescope and the ground is increasing 3 min after the lift- off. (Give your answer to two decimal places.)

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