Homework Help: physic

Posted by yusra on Sunday, April 18, 2010 at 4:14pm.

A roller-coaster car has a mass of 500 kg when fully loaded with passengers. The car passes over a hill of radius 15 m, as shown. At the top of the hill, the car has a speed of 8 m/s. What is the force of the track on the car at the top of the hill?

physic - Anonymous, Wednesday, May 25, 2011 at 4:27pm
2.8 kn up

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