What do sport psychologists do?

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?