Energy Dissipation Due to Drag Force
A 2 kg object is released from rest at a height of 10 m. It falls through a viscous medium, experiencing a drag force F = -bv², and reaches a terminal velocity of 5 m/s. By the time the object has fallen 5 m, what percentage of its initial gravitational potential energy has been dissipated by the drag force?
A
36.8%
B
50.0%
C
37.5%
D
25.0%
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