The basic energy resource that fueled the industrial revolution was a form of
A) nuclear energy.
B) thermal energy.
C) gravitational energy.
D) chemical energy.
E) radiant energy.
Question 2
A sled is moving along a horizontal surface with a speed of 5.7 m/s. It then slides up a rough hill having a slope of 11 above the horizontal. The coefficient of kinetic friction between the sled and the surface of the hill is 0.26.
How far along the surface does the block travel up the incline?