Two balls have masses 32 kg and 70 kg. the 32 kg ball has an initial velocity of 96 m/s (to the right) along a line joining the two balls and the 70 kg ball has an initial velocity of −47 m/s. the two balls make a head-on elastic collision with each other. 32 kg 96 m/s 70 kg −47 m/s what is the final velocity of the 32 kg ball? answer in units of m/s. 014 (part 2 of 2) 10.0 points what is the final velocity of the 70 kg ball? answer in units of m/s.
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Physics, 21.06.2019 21:40
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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Physics, 21.06.2019 22:40
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Two balls have masses 32 kg and 70 kg. the 32 kg ball has an initial velocity of 96 m/s (to the righ...
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