Post a New Question

physics

posted by .

A 50-kg woman and a 25-kg boy stand motionless facing each other on friction-free roller blades. The woman pushes the boy, who moves away at a speed of 5.0 m/s. What is the woman’s speed in the opposite direction?

  • physics -

    Here's a clue (from the law of cnservation of momentum)

    Their momenta are equal and opposite, so that the total momentum remains zero.

    M1*V1 = -M2*V2
    V2/V1 = ?

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question