M
A boy of mass 60 kg and a girl of mass 40 kg are
together and at rest on a frozen pond and...
Physics, 07.08.2021 16:10 pmbeachy3102
M
A boy of mass 60 kg and a girl of mass 40 kg are
together and at rest on a frozen pond and push
each other apart. The girl moves in a negative
direction with a speed of 3 m/s. What must be the
total final momentum of the boy AND girl
combined?
A. -120 kgm/s
B. 0 kgm/s
C. -100 kgm/s
D. 120 kgm/s
Answers: 3
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