A 500.-kilogram roller coaster starts from rest at the top of an 80.0-meter hill. What is its potential enegy halfway down the hill?

Respuesta :

Answer:

the answer is 200kg


Step-by-step explanation:


Answer: 392,000 J

Step-by-step explanation:

Ep=mgh

Ep=500(mass)9.8(gravity)80(height)

500•9.8•80=392,000 J