Question

A boat of mass 7000kg is floating without moving, close to a pier. It is not tied up. A woman of mass 70kg is standing on the boat. The woman jumps from the boat to the pier at 3 m/s.

a) Will the boat move? If so, which way?

d) What is the momentum of the boat just after the woman jumps?

e) How fast will the boat move?

Answer 1

a) Yes, the boat will move. It will move in the opposite direction of the woman's jump.

d) The momentum of the boat just after the woman jumps is 0 kg m/s.

e) The boat will move at a speed of 0 m/s.