A Parachutist of Mass 50

question 25

Multiple Choice

A parachutist of mass 50.0 kg jumps out of an airplane at a height of 800 m.The parachute deploys,and she lands on the ground with a speed of 5.0 m/s.How much energy was lost to air friction during this jump?

• A) 49,400 J
• B) 98,700 J
• C) 391,000 J
• D) 489,000 J

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