Question

Which of the following energy changes occurs as a bow is drawn and released?

Answer 1

3. elastic potential to kinetic
Mechanical energy is the top suject while it has two types: Kinetic energy which is the energy in motion and potential energy which is the energy in reserve. The measure of both energy in motion and reserve is called Joules. Joules then is the International System of Measurement unit for energy, this is mainly used to account for scaling energy in all aspects. 

Answer 2

Answer: The correct answer is 3.

Explanation: As the bow is drawn and released, it will experience a change in elastic potential energy to kinetic energy.

Elastic potential energy is defined as the amount of potential energy which is stored as a result of the deformation of the object which has some elasticity in it. For Example: Stretching of a spring, Drawing of a bow, etc..

Kinetic energy is the energy of the object which is possessed as a result of its motion.

When the bow is drawn, it first had some elastic potential energy and when it is released it had some kinetic energy in it.

Conclusion: The correct answer is 3.