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A light shines from the top of a pole 20 m high. A ball is falling 10 meters from the pole, casting a shadow on a building 30 meters away, as shown in the figure. When the ball is 27 meters from the ground it is falling at 7 meters per second. How fast is its shadow moving?

A light shines from the top of a pole 20 m high. A ball is falling 10 meters from the pole, casting a shadow on a building 30 meters away, as shown in the figure. When the ball is 27 meters from the ground it is falling at 7 meters per second. How fast is its shadow moving?

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter3: Radian Measure
Section3.5: Velocities
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2. A light shines from the top of a pole 20 m high. A ball is falling 10 meters from the pole, casting a shadow on a building 30 meters away, as shown in the figure. When the ball is 27 meters from the ground it is falling at 7 meters per second. How fast is its shadow moving?
Transcribed Image Text:2. A light shines from the top of a pole 20 m high. A ball is falling 10 meters from the pole, casting a shadow on a building 30 meters away, as shown in the figure. When the ball is 27 meters from the ground it is falling at 7 meters per second. How fast is its shadow moving?
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