Jacob pulls a wagon with a force of 10 n. it accelerates at 2 m/s/s. what is the mass of the wagon? 2 kg 5 kg 10 kg 20 kg

F= m x a (According to Newton's second law of motion)
m= F/a=10/2=5kg

Clike bone scan for find heart

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.