When starting a race, a 55.0-kg-mass sprinter exerts an average force of 635 N backward on the ground for 0.560 s.
What is the sprinter’s speed after the acceleration?
How far does the sprinter move during the acceleration?
A 1 100.0-kg artillery shell is fired from a battleship, and the shell is accelerated at m/s2?
What is the magnitude of the net external force exerted on the shell?
What is the magnitude of the force exerted on the ship by the shell’s acceleration?