Chantelle W.

asked • 02/17/16

Help explaining physics

Question: As the speed of a bicycle moving along a level horizontal surface changes from 2 m/s to 4 m/s, the magnitude of the bicycle's:
 
Multiple Choice:
a. total energy remains the same
b. kinetic energy decreases
c. gravitational potential energy remains the same
d. kinetic energy remains the same
 
Answer: c. gravitational potential energy remains the same
 
Please explain why this answer is correct, explain fully using physics terms. As well as explain why the other answers don't work.

2 Answers By Expert Tutors

By:

Stephen R. answered • 04/22/16

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