What is the acceleration of a car moving at a steady speed of 50 mph?

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.

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

An object moves from position +34m to the position -15m in 15 seconds. what is the total displacement? what is the total velocity?