Asked by Mariam

A roller-coaster car has a mass of 500 k when fully loaded with passengers. If at point a the forces exerted by the truck on the car is 15000
What is the acceleration at point A?
Answered by Henry
Fex = 15000 N. ?
m = 500kg

a = Fex/m = 15000/500 = 30 m/s^2.