Multiple Choice
You do 116 J of work while pulling your sister back on a fritctionless swing, whose chain is 5.10 m long, until the swing makes an angle of 32.0° with the vertical. What is your sister's mass?
A) 15.3 kg
B) 13.0 kg
C) 19.0 kg
D) 17.6 kg
Correct Answer:
Verified
Correct Answer:
Verified
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