On a roller coaster ride the cart is 250 kg. Initially, the cart is traveling at 5 m/s at the upper level, and then 25 once it reaches the flat lower level that is 8 m off the ground. How high up is the upper level?

Answer 1

initial pe+initial ke=final pe+final ke
mgh+1/2 m5^2=mg8+1/2 m 25^2

solve for h