11th grade

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A person, who weighs 688N, swings from a cliff at the end of a convenient vine that is 18m long. From the top of the cliff to the bottom of the swing he descends by 3.2m. The vine will break if the force on it exceeds 950N.

a) Does the vine break?
b) If no, what is the greatest force on it during the swing?
If yes, at what angle does with the vertical does it break?

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