a. conservation of energy, KEbottom=PE top
1/2 m v^2=mgh solve for v.
b,c,d In the physical sciences, mechanical energy is the sum of potential energy and kinetic energy. It is the energy associated with the motion and position of an object.
A 10 kg bowling ball sits at the top of a 10 m hill and then slides down its icy hillside.
a. What is the speed of the bowling ball when it reaches the bottom of the hill?
b. What is the change in kinetic energy of the system as the bowling ball travels
from the top of the hill to the bottom of the hill?
c. What is the bowling ball’s mechanical energy at the top of the hill?
d. What is the bowling ball’s mechanical energy at the bottom of the hill?
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