The sled is pulled up a higher hill that is less steep than the original hill described before question 44. How does the speed of the sled at the bottom of the hill (after it has slid down) compare to that of the sled at the bottom of the original hill

graph question answered .. you think better when you are relaxed and happy

luster is not a good characteristic to use by itself because luster is the property of minerals that indicates how much the surface of a mineral reflects light. the luster of a mineral is affected by the brilliance of the light used to observe the mineral surface.

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.