A 92-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is 1. What is the magnitude of...

A 92-kg baseball player slides into second base. The coefficient of kinetic friction between the player and the ground is 1.6. What is the magnitude of the frictional force. If the player comes to rest after 1.2 seconds, what is his initial speed? Topic: Forces and Newton’s laws of motion.