A tennis ball is hit into the air with a racket. When is the ball’s kinetic energy the greatest? Ignore air resistance. A.
when it leaves the racket
B.
just before it reaches the ground
C.
when it reaches its maximum height
D.
when its kinetic energy and potential energy are equal
E.
just before it starts falling downward

The necleus of an atom is made up of what subatomic particles?

In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas.what is your cost?