A 96kg soul ascended to heaven at a speed of 12m/s, when he bumps against a 50 kg soul descending to hell at the speed of 15m/s, assuming that soul number 2 has an initial speed of 1m/s, find the initial speed of soul number 1.
3 answers
Assuming soul #1 is the one going to heaven, you have already said what its initial velocity is, 12 m/s. There is something wrong with the way you have stated the problem.
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