problem02_92 solution

University Physics with Modern Physics with Mastering Physics (11th Edition)

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2.92: a) The time is the initial separation divided by the initial relative speed, H/ v 0 . More precisely, if the positions of the balls are described by , ) 2 1 ( , ) 2 1 ( 2 2 2 0 1 gt H y gt t v y - = - = setting y 1 = y 2 gives H = v 0 t . b) The first ball will be at the highest point of its motion if
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Unformatted text preview: at the collision time t found in part (a) its velocity has been reduced from v to 0, or gt = gH/v = v , or . / 2 g v H =...
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