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If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?
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The slope of a velocity time graph over any interval of time gives the during that interval
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
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What is the maximum torque on a 150-turn square loop of wire 18.0 cm on a side that carries a 50.9 A...
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