1. A ball rolls down a hill with a constant acceleration of 2.5 m/s^2. The ball starts at rest and travels for 4.0 seconds before it hits a wall and stops.
How far did the ball travel before it stopped? *
a. 8.0 m
b. 12 m
c. 16 m
O d. 20 m

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.

The magnets are probably damaged or there not strong enough to attached to the refrigerator