Fundamentals Of Engineering Thermodynamics
9th Edition
ISBN: 9781119391388
Author: MORAN, Michael J., SHAPIRO, Howard N., Boettner, Daisie D., Bailey, Margaret B.
Publisher: Wiley,
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Chapter 2, Problem 2.3P
a.
To determine
The final velocity
b.
To determine
The final elevation
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An automobile having a mass of 1100 kg initially moves along a level highway at 110 km/h relative to the highway. It then climbs a hill whose crest is 40 m above the level highway and parks at a rest area located there. Use a reference with kinetic and potential energy each equal to zero for the stationary highway before the hill.Let g = 9.81 m/s2. For the automobile, determine its change in kinetic energy and its change in potential energy, both in kJ.
2. thermodynamics
Chapter 2 Solutions
Fundamentals Of Engineering Thermodynamics
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- Work is done on an adiabatic system due to which its velocity changes from 10 m/s to 20 m/ s. elevation increases by 20 m and temperature increases by 1 K. The mass of the system is 10 kg. Cv= 100 J/(kg K) and gravitational acceleration is 10 m/s². If there is no change in any other component of the energy of the system, the magnitude of total work done (in kJ) on the system isarrow_forwardAs shown on the right, a vertical piston–cylinder assembly containing a gas is placed on a hot plate. The piston initially rests on the stops. With the onset of heating, the gas pressure increases. At what pressure, in bar, does the piston start rising? The piston moves smoothly in the cylinder and g = 9.81 m/s2.arrow_forwardA 50 lb object is subjected to an applied upward force of 30 lbf. The only other force acting on the object is the force of gravity. The acceleration of gravity is 32.2 ft/s². Determine the weight of the object, in lbf, and the net acceleration of the object, in ft/s². Step 1 Your answer is correct. Determine the weight of the object, in lbf, with positive values being down. Ibf W = 50 Hint Step 2 * Your answer is incorrect. Determine the net acceleration of the object, in ft/s², with positive values being upward. i 12.88 ft/s² Attempts: 1 of 4 usedarrow_forward
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