Assume two clowns on skateboards are standing motionless on a smooth surface 10.0 m apart. Clown B tosses a 5.0 kg medicine ball to clown A. The medicine ball is traveling with a speed of 7.5m/s.
a) What is the resulting velocity of clown B after throwing the ball?
b) If clown B applied a constant force for 0.5 seconds when tossing the ball, what is the magnitude of the force?