A boulder is initially stationary at the top of a hill. It is then rolled down the hill and at the bottom of the has a velocity of 20 m/s. How tall is the hill?

 

Group of answer choices

 

a) Not enough information to tell

 

b) 40.7 m

 

c) 20.4 m

 

d) 1.02 m

Answer rating: 100% (QA)

This problem is a perfect example of the principles of energy conservation More specifically it can ... View the full answer