Astar that is moving away from an observer has its visible light shifted toward which end of the spectrum? a. blue b. red c. yellow d. white

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false

0.5 kg of silver increases temperature from 0 celsius to 7 celsius when heat is added how much heat energy produced this change in temperature

Which statement is an example of the law of conservation of energy? a soccer ball eventually stops because its energy disappears. when a light bulb is turned on, electrical energy is converted to light and heat. an automobile engine burns gasoline to converts its chemical energy to electrical energy.