Fundamentals of Physics Extended 12th Edition · Force and Motion–I · Problem 23
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Halliday, Resnick & Walker — Force and Motion–I: Problem 23
Tarzan, who weighs 820 N, swings from a cliff at the end of a 20.0 m vine that hangs from a high tree limb and initially makes an angle of 22.0° 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 760 N. Just then, what are (a) the force on him from the vine in unit-vector notation and the net force on him (b) in unit-vector notation and as (c) a magnitude and (d) an angle relative to the positive direction of the x axis? What are the (e) magnitude and (f) angle of Tarzan’s acceleration just then?
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주어진 조건: 820 N, 20.0 m, 760 N
구하는 것: (a) the force on him from the vine in unit-vector notation and t; (b) in unit-vector notation and as; (c) a magnitude and
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Fundamentals of Physics Extended · 12th Edition
저자: Halliday, Resnick & Walker
출판사: Wiley
단원: Force and Motion–I