Question

In which of the following examples does the object have both kinetic and potential energy? Select all that apply.

A a rock at the edge of a cliff
B a plane in flight at 30,000 feet
C water behind a dam
D water flowing downstream
E a car moving on a level road
F a compressed spring
G a child swinging on a swing
H a bouncing ball

Answer 1

i believe the answer is H for when you bounce it, it has stress when it hits the floor and then goes up giving it kinetic

Answer 2

h,g,f,d, and b are the answers