ASAP PLEASE! The picture of the roller coaster shows
A) kinetic energy, because it is in motion.
B) potential energy, because it is not yet moving.
C) kinetic energy that would allow the roller coaster to propel endlessly.
D) potential energy that would allow the roller coaster to propel endlessly.

More solar radiation is absorbed by earth’s surface than by

To practice problem-solving strategy 10.1 for energy conservation problems. a sled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slides a distance d1 down the slope and then covers the distance d2 along the horizontal terrain before stopping. find the coefficient of kinetic friction μk between the sled and the ground, assuming that it is constant throughout the trip.

Steel water aluminum think about the three words listed here. which word could be added as the title of this list of words to tell how these words are related? a) conductors b) heat c) insulators d) metals