369 kg
Explanation:
Step 1:
We know that the expression for potential energy is
PE = mgh
where, m =Mass
g = Acceleration due to gravity
h Height
Step 2:
Here m = ?
PE = 108486
h = 30 m
g = 9.8 ms⁻²
108486 = [tex]30 * 9.86 * m[/tex]
[tex]m= 108486 / (9.8*30) = 369 kg[/tex]
