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An observer is located on the ground 6 kilometers from

An observer is located on the ground 6 kilometers from the point where a space shuttle is launched (vertically). When the
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2. asked by Thien Nguyen
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The velocity of sound in the atmosphere is c=300 m/s. An airplane is traveling with velocity v=600 m/s at an altitude of h=8 km
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2) A hot air balloon rising vertically is being tracked by an observer on the ground, located 60 meters from the take-off point.
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An observer is located directly between two speakers located 20 metres apart.Speakers are in phase and both are emitting a sound
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2. asked by Kelly
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An observer is located directly between two speakers, located 20m apart. The speakers are in phase with each other, and both are
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A rocket is fired vertically into the air at the rate of 6 miles/min. An observer on the ground is located 4 miles from the
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2. asked by Paula
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The height of a rocket, launched from the ground, is given by the function y = 30t - 5t^2, where y is in meters and t is in
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An observer, whose eyes are 1.87 m above the ground, is standing 27.0 m away from a tree. The ground is level, and the tree is
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2. asked by Anonymous
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An observer, whose eyes are 1.97 m above the ground, is standing 47.0 m away from a tree. The ground is level, and the tree is
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An observer is 28 m above the ground floor of a large hotel atrium looking at a glass-enclosed elevator shaft that is 26 m
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2. asked by Noah
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