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QUESTION
You do 116 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?
You do 116 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?
