Question

A boy on level ground watches a hot air balloon launched from a point 18.0 m away from him. The balloon rises with constant speed 0.314 m/s. Find the rate at which the angle of elevation of the balloon at his eye is changing when the angle becomes 60.0 degrees.​

Answer 1

Answer:

0.314m/s.

60.0 degrees .

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Answer 2

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