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An observer stands 43.0 m behind a marksmen practicing at

An observer stands 43.0 m behind a marksmen practicing at a rifle range. The marksman fires the rifle horizontally which gives
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An observer stands 25 m behind a marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of
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An observer stands 25 m behind a marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of
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A police car, whose siren has a natural frequency of 620Hz, moves away from a wall and towards a stationary observer at a speed
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An observer stands 25 feet from the base of a 50 foot flagpole and watches a flag being lowered at a rate of 5 ft/sec. Determine
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A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An
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A painting is hung on a wall in such a way that its upper and lower edges are 10 ft and 7ft above the floor, respectively. An
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An observer stands at a point P, one unit away from a track. Two runners start at the point S in the figure and run along the
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A car travels down a highway at 45 m/s. An observer stands 250 m from the highway.a) How fast is the distance from the observer
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Which situations might cause two observers (A and B) to measure different frequencies for the same vibrating object? Select the
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