Physics for Scientists and Engineers 10th Edition · Motion in One Dimension · Problem 19
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Serway & Jewett — Motion in One Dimension: Problem 19
A glider of length \(\ell\) moves through a stationary photogate on an air track. A photogate (Fig. P2.19) is a device that measures the time interval \(\Delta t_d\) during which the glider blocks a beam of infrared light passing across the photogate. The ratio \(v_d = \ell / \Delta t_d\) is the average velocity of the glider over this part of its motion. Suppose the glider moves with constant acceleration. (a) Argue for or against the idea that \(v_d\) is equal to the instantaneous velocity of the glider when it is halfway through the photogate in space. (b) Argue for or against the idea that \(v_d\) is equal to the instantaneous velocity of the glider when it is halfway through the photogate in time.
📝 풀이 접근법
주어진 조건: . A
구하는 것: (a) Argue for or against the idea that \; (b) Argue for or against the idea that \
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Physics for Scientists and Engineers · 10th Edition
저자: Serway & Jewett
출판사: Cengage
단원: Motion in One Dimension