What is electromagnetic waves

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.

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island