posted by Carrie .
A man jumps straight up at 5m/s.
a. Determine the time the man is in the air.
b. Determine the maximum height the man would reach.
c. As he jumps, a jerk pushes him in the back, giving him a velocity of 12m/s. determine the range of the man.
d. Solve for the resultant velocity that the man would have.