posted by Anonymous on .
A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds.
What was the magnitude of the displacement of the center of mass of the person while they were in contact with the ground? Express your answer in terms of m, F, T, and g as needed.
Do you know the 2st and 2nd one,,help plzz.??