Answer:
3675 J
Explanation:
Gravitational Potential Energy = [tex]\frac{1}{2}[/tex] × mass × g × height
( g is the gravitation field strength )
Mass = 50 kg
G = 9.8 N/kg ( this is always the same )
Height = 15 m
Gravitational Potential Energy = [tex]\frac{1}{2}[/tex] × 50 ×9.8 × 15
= 3675 J