Fundamentals of Physics Extended 12th Edition · Potential Energy and Conservation of Energy · Problem 55_M
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Halliday, Resnick & Walker — Potential Energy and Conservation of Energy: Problem 55_M
In Fig. 8.36, a block of mass \( m = 2.5 \text{ kg} \) slides head on into a spring of spring constant \( k = 320 \text{ N/m} \). When the block stops, it has compressed the spring by \( 7.5 \text{ cm} \). The coefficient of kinetic friction between block and floor is \( 0.25 \). While the block is in contact with the spring and being brought to rest, what are (a) the work done by the spring force and (b) the increase in thermal energy of the block-floor system? (c) What is the block's speed just as it reaches the spring?
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주어진 조건: 8.36, a
구하는 것: (a) the work done by the spring force and; (b) the increase in thermal energy of the block-floor system?; (c) What is the block's speed just as it reaches the spring?
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Fundamentals of Physics Extended · 12th Edition
저자: Halliday, Resnick & Walker
출판사: Wiley
단원: Potential Energy and Conservation of Energy