A bus contains a 1420 kg flywheel (a disk that has a 0.64 m radius) and has a total mass of 10600 kg. m = 1420 kg r = 0.64 m mt = 10600 kg v1 = 18 m/s v2 = 3.15 m/s Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 18 m/s in rad/s, assuming 90.0% of the rotational kinetic energy can be transformed into translational energy.  How high a hill can the bus climb with this stored energy and still have a speed of 3.15 m/s at the top of the hill in m?

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Chapter1: Units, Trigonometry. And Vectors
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A bus contains a 1420 kg flywheel (a disk that has a 0.64 m radius) and has a total mass of 10600 kg.

m = 1420 kg
r = 0.64 m
mt = 10600 kg
v1 = 18 m/s
v2 = 3.15 m/s

Calculate the angular velocity the flywheel must have to contain enough energy to take the bus from rest to a speed of 18 m/s in rad/s, assuming 90.0% of the rotational kinetic energy can be transformed into translational energy. 

How high a hill can the bus climb with this stored energy and still have a speed of 3.15 m/s at the top of the hill in m? 

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