ellacquayle ellacquayle 02-12-2020 Physics contestada 2. Mass of car = 200 kg and g = 10 m/s? or 10 N/kg (approx. value) position of car GPE (J) = mgh KE (J) = GPE + KE 0.5mv2 (height) 60.000 top (30 m) before ride starts so v=0 Halfway (15 m) 30,000 34 way down (7.5 4,000 m) bottom(0 m) 0 3.