Author Question: A bow is drawn so that it has 40 J of potential energy. When the arrow is fired its kinetic energy ... (Read 51 times)

Pineapplelove6 · **on:** Jul 29, 2018

A bow is drawn so that it has 40 J of potential energy. When the arrow is fired its kinetic energy is ideally

A) less than 40 J.
B) more than 40 J.
C) 40 J.

Question 2

A 2-kg mass that weighs 20 N has 40 J of potential energy relative to the ground. What is its height?

A) 1 m
B) 2 m
C) 3 m
D) 4 m
E) none of the above