Question
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)
Answers
This problem is similar to the previous.
Again, use conservation of energies.
Again, use conservation of energies.
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