A discus thrower rotates his body with his arm out (holding the discus) in a circle that is 1.8m wide. If he completes the last rotation in one second, what would be the MINIMUM speed of the discus when it is just released?

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.