Two girls (masses m 1 and m 2 ) are on roller skates and stand at rest,
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Two girls (masses m1 and m2) are on roller skates and stand at rest, close to each other and face to face. Girl-1 pushes squarely against girl-2 and sends her moving backward. Assuming the girls move freely on their skates, write an expression for the speed with which girl-1 moves.
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We take the two girls to comprise the system under consideration The ...View the full answer
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