Fundamentals of Physics Extended 12th Edition · Potential Energy and Conservation of Energy · Problem 126
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Halliday, Resnick & Walker — Potential Energy and Conservation of Energy: Problem 126
To make a pendulum, a 300 g ball is attached to one end of a string that has a length of 1.4 m and negligible mass. (The other end of the string is fixed.) The ball is pulled to one side until the string makes an angle of 30.0° with the vertical; then (with the string taut) the ball is released from rest. Find (a) the speed of the ball when the string makes an angle of 20.0° with the vertical and (b) the maximum speed of the ball. (c) What is the angle between the string and the vertical when the speed of the ball is one-third its maximum value?
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주어진 조건: , a, 300 g, 1.4 m
구하는 것: (a) the speed of the ball when the string makes an angle of 20; (b) the maximum speed of the ball; (c) What is the angle between the string and the vertical when t
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Fundamentals of Physics Extended · 12th Edition
저자: Halliday, Resnick & Walker
출판사: Wiley
단원: Potential Energy and Conservation of Energy