Which object has potential energy but not kinetic energy A. A battery in a pair of headphons
B. A car Slowing down
C. A person Climbing a ladder
D. a person riding an elevator upward

Aballet student who learns with the of his instructor is demonstrating learning.

What is the increase in density of a medium due to wave travel?

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.