February 28, 2017

Homework Help: physics

Posted by student on Monday, October 11, 2010 at 9:10pm.

Tarzan, who weighs 780 N, swings from a cliff at the end of a 12.0 m vine that hangs from a high tree limb and initially makes an angle of 49.0° with the vertical. Assume that an x axis extends horizontally away from the cliff edge and a y axis extends upward. Immediately after Tarzan steps off the cliff, the tension in the vine is 580 N.

(a) At the moment of takeoff, what is the force on Tarzan from the vine, in unit-vector form?
(b) At that moment, what is the net force on Tarzan, in unit-vector form?

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