A 50-kg bicyclist coasts up a hill. What is the cyclist change in kinetic energy as her altitude changes from 15m to 20m?
A) 0 joules
B) approximately 2,500 joules
C) approximately 7.500 joules
D) approximately 10.000 joules
The kinetic energy is transformed into potential energy. So, the increase of potential energy or approximately 2,500 joules is the loss in kinetic energy.
