Etotal = PE + KE = const
ready to drop
m · mass5.0 kg
h₁ · drop height20.0 m
h₂ · escape height10.0 m
Gravity
h (current)20.0 m
PE = mgh1960.0 J
100%
KE = ½mv²0.0 J
0%
v = √(2KE/m)0.00 m/s
Etotal1960.0 J
escape conditionh₂ < h₁ — escapes
g = 9.81 m/s² (Earth) · frictionless