15 A roller coaster is travelling without friction as shown in the diagram below If the speed of the roller coaster at position A is 3 0 m s, what is the speed at position B Use the Law of Conservation of Energy to solve A 20 15 0 m 7 0 m 15 A roller coaster is travelling without friction as shown...

915 Somm let the speed of a roller Coaster at a position Bbc U and Initial speed of rolle ...

15. A roller coaster is travelling without friction as shown in the diagram below. If the...

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15. A roller coaster is travelling without friction as shown in the diagram below. If the...

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