Question

a roller coaster is at the top of a 72m hill and weighs 134 kg. the coaster (at this moment) has potential energy. calculate it

Answer 1

94,550.4 J

Step-by-step explanation:

The potential energy of a body can be found by using the formula

PE = mgh

where

m is the mass

h is the height

g is the acceleration due to gravity which is 9.8 m/s²

We have

PE = 134 × 9.8 × 72 =94,550.4

We have the final answer as

94,550.4 J

Hope this helps you