Data:
h = 2m
m = 45 Kg
PE = ? (Joule)
Adopting, gravity (g) ≈ 9,8 m/s²
Formula: [tex] PE_{grav} = mass * g * height[/tex]
Solving:
[tex] PE_{grav} = mass * g * height[/tex]
[tex] PE_{grav} = 45*9,8*2[/tex]
[tex] PE_{grav} = 882J[/tex]
Answer:
The sled's potential energy is 882 Joules