# Answer on Mechanics | Relativity Question for jess

Question #7240

if the teacher (mass 85kg) was walking instead of running and had a momentum of 350kgm/s while doing so,what was their walking velocity?

Expert's answer

Let's V be the teacher's walking velocity. We know that P = M*V, so

V = P/M = (350kg*m/s) / (85kg) = 70/17 m/s ≈ 4.1176 m/s.

V = P/M = (350kg*m/s) / (85kg) = 70/17 m/s ≈ 4.1176 m/s.

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