Answer:
The answer is 12,348 J
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
From the question we have
PE = 84 × 9.8 × 15
We have the final answer as
12,348 J
Hope this helps you
