If a 2.80 kg object is held by a string as shown above and displaces 9.90 kg of water, find the tension in the string. Assume that the same object, if completely submerged, displaces 13.0 kg of water.

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.