Author Question: A melon is projected into the air with 100 J of kinetic energy in the presence of air resistance. ... (Read 63 times)

Beheh · **on:** Jul 29, 2018

A melon is projected into the air with 100 J of kinetic energy in the presence of air resistance. When it returns to its initial level its kinetic energy is

A) less than 100 J.
B) more than 100 J.
C) 100 J.
D) need more information

Question 2

If a charging rhinoceros has momentum, it must also have

A) potential energy.
B) kinetic energy.
C) work.
D) all of the above