Two spectators at a soccer game in montjuic stadium see, and a moment later hear, the ball being kicked on the playing field. the time delay for spectator a is 0.201 s and for spectator b is 0.122 s. sight lines from the two spectators to the player kicking the ball meet at an angle of 90°. how far are (a) spectator a and (b) spectator b from the player? (c) how far are the spectators from each other? (take the speed of sound to be 343 m/s.)
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This problem has been solved! see the answera non-uniform fire escape ladder is 6.0m long whenextended to the icy alley below. it is held at the top by africtionless pivot, and there is neglibible frictional force fromthe icy surface at the bottom. the ladder weighs 250n, and it'scenter of gravity is 2.0m along the ladder from the bottom. amother and child of total weight 750n are on the ladder 1.5m fromthe pivot. the ladder makes an angle θ with the horizontal.find the magnitude and direction ofa) the force exerted by the icy alley on the ladderb) the force exerted by the ladder on the pivotc) do your answers in part a and b depend on the angle?
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From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.
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Two spectators at a soccer game in montjuic stadium see, and a moment later hear, the ball being kic...
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