Question

A roller coaster with a mass of 1000 kg is shot to a speed of 30 m/s in 8 seconds. How much kinetic energy does this coaster have at the end of the 8 seconds? To receive full credit, show all of your work in the space below.

Answer 1

The roller coaster's kinetic energy is independent of time, so the 1/2(mv^2) formula holds