Fundamentals of Physics Extended 12th Edition · Potential Energy and Conservation of Energy · Problem 2_E
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Halliday, Resnick & Walker — Potential Energy and Conservation of Energy: Problem 2_E
In Fig. 8.12, a single frictionless roller-coaster car of mass \( m = 825 \text{ kg} \) tops the first hill with speed \( v_0 = 17.0 \text{ m/s} \) at height \( h = 42.0 \text{ m} \). How much work does the gravitational force do on the car from that point to (a) point A, (b) point B, and (c) point C? If the gravitational potential energy of the car–Earth system is taken to be zero at C, what is its value when the car is at (d) B and (e) A? (f) If mass \( m \) were doubled, would the change in the gravitational potential energy of the system between points A and B increase, decrease, or remain the same?
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주어진 조건: 8.12, a
구하는 것: (a) point A; (b) point B; (c) point C? If the gravitational potential energy of the car–Ea
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Fundamentals of Physics Extended · 12th Edition
저자: Halliday, Resnick & Walker
출판사: Wiley
단원: Potential Energy and Conservation of Energy