Question #106858

A roller coaster cart with a mass of 1283 kg starts on a hill that is 189 m off the ground. The hill descends all the way to the ground, before going back up hill. How fast is the roller coaster going when it reaches the ground?

Expert's answer

From the conservation of energy:

"v=\\sqrt{2gh}=\\sqrt{2(9.81)(189)}=60.9\\frac{m}{s}"

Learn more about our help with Assignments: MechanicsRelativity

## Comments

## Leave a comment