d)
W=1/2kx^2=PE
41000=1/2(k)(33)^2
k=82000/(33)^2
k=75.3N/m
(nowhere close to the answer)
e)
Potential Energy = Kinetic Energy
mgh = 0.5 * m * v^2
Given:
m = 26 kg
g = 9.8 m/s^2
h = 160 m
Solving for velocity (v):
0.5 * 26 kg * v^2 = 26 kg * 9.8 m/s^2 * 160 m
v^2 = (2 * 9.8 m/s^2 * 160...