Physics, 18.02.2021 18:20 CBSEATON18

A 1.1 kg rubber ball is travelling at 2.0 m/s when it strikes a 3.9 kg rubber ball travelling at -1.9 m/s. If the 1.1 kg ball rebounds at a speed of -2.5 m/s, what is the new speed of the 3.9 kg ball?

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A 1.1 kg rubber ball is travelling at 2.0 m/s when it strikes a 3.9 kg rubber ball travelling at -1....