Multiple Choice
You do 174 J of work while pulling your sister back on a 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) 22.9 kg
B) 19.5 kg
C) 26.3 kg
D) 28.4 kg
Correct Answer:
Verified
Correct Answer:
Verified
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