A baseball player hits a 0.155 kilogram fastball traveling at 44.0 m/sec into canter field at a speed of 50 m/sec. If the impact last for 0.00450 second, with what force does he hit the baseball?

Athird point charge q3 is now positioned halfway between q1 and q2. the net force on q2 now has a magnitude of f2,net = 5.861 n and points away from q1 and q3. what is the value (sign and magnitude) of the charge q3?