What is the ke of 2kg ball at speed 5m/s at 40m tall?

Describe the path of a ray that approaches a mirror parallel to the principal axis.

What happens to atoms and chemical bonds during a reaction?

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.