A roller coaster car has a mass of 250 Kg. The car is towed to the...

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Physics

A roller coaster car has a mass of 250 Kg. The car is towed tothe top of a 30 m hill where it is released from rest and allowedto roll.Â Â The car plunges down the hill, then up an 8 mhill and through a loop with a radius of 8 m. Assuming no friction:(8 points)
What is the potential energy of the car at the top of the 30 mhill?
What are the Kinetic Energy and the speed of the car at thebottom of the 30 m hill?
What are the Kinetic Energy and the speed of the car at the topof the 8 m hill?
If the hill makes an angle of 60 Â° with the horizontal and thecar takes 15 seconds to be towed up the 30 m hill, determine thelength of the hill, the velocity of the car, the force required totow the car up the hill, and the power of the motor pulling the carup the hill.
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4.1 Ratings (681 Votes)

Mass of the roller coaster car given 250 kgheight of the top of the hill from ground bottom 30 mA potential energy of the car at thetop of the 30 m hill mgh 250 98 30 73500 JB from conservation of energyprinciple we have KE See Answer

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