The element lithium has a melting point of 181 C°. It is a soft metal that corrodes rapidly in air. Lithium also conducts electricity and reacts violently with water . Classify all of these properties of lithium as a physical or chemical

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

i don,t know so just answer mine