a roller coaster has a speed of 1.5 m/s at the highest point. It moves down to the lowest point 2 and rises to another peak at point 3. The points 1, 2, and 3 are at heights of 20m, 5m, and 12m respectively. Determine the speeds of the roller coaster at points 2 and 3 if frictional losses are ignored.

Question

kaptain_mittens · Answer

Just for reference, the answers are: v2=17.2 m/s and v3=12.6 m/s, but how do you get these solutions?

kaptain_mittens · Answer

@Michele_Laino

michele_laino · Answer

the situation of your exercise, can be represented by this drawing
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