Asked by cesa
A 500kg roller coaster starts from rest at points 35m above the ground level. The car drives down into a valley 4m above the ground and then climbs the top of a hill that is 24m above the ground level. What is the velocity of the car in the valley and at the top of the hill? (Neglect friction)
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Answered by
MathMate
This problem is similar to the previous.
Again, use conservation of energies.
Again, use conservation of energies.
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