Principles of Physics 11th ISV Edition · Potential Energy and Conservation of Energy · Problem 44
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Walker, Halliday & Resnick — Potential Energy and Conservation of Energy: Problem 44
44 A horizontal force of magnitude 41.0 N pushes a block of mass 4.00 kg across a floor where the coefficient of kinetic friction is 0.600. (a) How much work is done by that applied force on the block–floor system when the block slides through a displacement of 2.00 m across the floor? (b) During that displacement, the thermal energy of the block increases by 40.0 J. What is the increase in thermal energy of the floor? (c) What is the increase in the kinetic energy of the block?
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주어진 조건: 44 A, 41.0 N, 4.00 kg, 2.00 m, 40.0 J
구하는 것: (a) How much work is done by that applied force on the block–flo; (b) During that displacement; (c) What is the increase in the kinetic energy of the block?
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Principles of Physics · 11th ISV Edition
저자: Walker, Halliday & Resnick
출판사: Wiley
단원: Potential Energy and Conservation of Energy