Physics, 28.05.2021 02:50 djemdn

Ball 1 with an initial speed of 14 m/s has a perfectly elastic collision with ball 2 that is initially at rest. After, the speed of ball 2 is 21 m/s. What will be the speed of ball 2 if the initial speed of ball 1 is doubled

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Ball 1 with an initial speed of 14 m/s has a perfectly elastic collision with ball 2 that is initial...