A 0.45 kg object is experiencing a net force of 54 N while traveling in a circle at a velocity of 52 m/s. What is the radius of its motion?

Ahockey player of mass 82 kg is traveling north with a velocity of 4.1 meters per second he collides with the 76 kg player traveling east at 3.4 meters per second if the two players locked together momentarily in what direction will they be going immediately after the collision how fast will they be moving