Ineed somebody to explain how newton’s first law is effecting a tennis racket

Explain the consequences of this addiction to the brain tissue

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer

How is an electron dot structure used to represent a covalent bond?