College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 16, Problem 4MCQ
When driving a car (the system), what object does work on the car to make it move at constant speed in the presence of air resistance and rolling friction?
a. The engine
b. The surface of the road
c. The fuel in the car’s tank
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The force of the quadriceps (Fq) and force of the patellar tendon (Fp) is identical (i.e., 1000 N each). In the figure below angle in blue is Θ and the in green is half Θ (i.e., Θ/2). A) Calculate the patellar reaction force (i.e., R resultant vector is the sum of the horizontal component of the quadriceps and patellar tendon force) at the following joint angles: you need to provide a diagram showing the vector and its components for each part. a1) Θ = 160 degrees, a2) Θ = 90 degrees. NOTE: USE ONLY TRIGNOMETRIC FUNCTIONS (SIN/TAN/COS, NO LAW OF COSINES, NO COMPLICATED ALGEBRAIC EQUATIONS OR ANYTHING ELSE, ETC. Question A has 2 parts!
Chapter 16 Solutions
College Physics
Ch. 16 - Prob. 1RQCh. 16 - Prob. 2RQCh. 16 - Prob. 3RQCh. 16 - Prob. 4RQCh. 16 - Which of the following processes is reversible?...Ch. 16 - In physics the collision of billiard balls is...Ch. 16 - Prob. 3MCQCh. 16 - 4. When driving a car (the system), what object...Ch. 16 - 5. The law of energy conservation says that energy...Ch. 16 - Prob. 6MCQ
Ch. 16 - Entropy can be calculated using which of the...Ch. 16 - Prob. 8MCQCh. 16 - 9. When a drop of ink enters a glass of water and...Ch. 16 - 10. Choose the best reason why the following...Ch. 16 - Prob. 11MCQCh. 16 - Which of the following changes will always...Ch. 16 - Entropy change is easier to determine for...Ch. 16 - 14. Describe five everyday examples of processes...Ch. 16 - Prob. 15CQCh. 16 - 16. In terms of the statistical definition of...Ch. 16 - 17. The entropy of the molecules that form leaves...Ch. 16 - Prob. 18CQCh. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Prob. 3PCh. 16 - Below, BIO indicates a problem with a biological...Ch. 16 - Prob. 5PCh. 16 - 6. (a) Identify all of the macrostate...Ch. 16 - 7. * Repeat the previous problem for a system with...Ch. 16 - * Determine the ratio of the number of microstates...Ch. 16 - Prob. 9PCh. 16 - 10. * Parachutists landing on island Parachutists...Ch. 16 - Prob. 11PCh. 16 - * Nine numbered balls are dropped randomly into...Ch. 16 - * Rolling dice Two dice are rolled Macrostates of...Ch. 16 - 14.* (a) Apply your knowledge of probability to...Ch. 16 - Explain using your knowledge of probability why a...Ch. 16 - * EST Estimate the total change in entropy of two...Ch. 16 - 17. * EST (a) You add 0.1 kg of water at of iced...Ch. 16 - * Entropy change of a house A house at 20C...Ch. 16 - 19. ** Barrel of water in cellar in winter A...Ch. 16 - 20. * EST (a) Determine the final temperature when...Ch. 16 - * A 5.0-kg block slides on a level surface and...Ch. 16 - with the horizontal. Determine the entropy change...Ch. 16 - Prob. 23PCh. 16 - * BIO Efficiency of woman walking A 60-kg woman...Ch. 16 - Prob. 25PCh. 16 - 26. ** A cyclic process involving 1 mole of ideal...Ch. 16 - 27. ** A cyclic process involving 1 mole of ideal...Ch. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - 32. Rank the engines that operate with the...Ch. 16 - 33. Nuclear power plant A nuclear power plant...Ch. 16 - Prob. 34PCh. 16 - Prob. 35GPCh. 16 - W=AUint. W=(3.0)105N/m2 )(0.020m30.010m3)+0...Ch. 16 - * A thermodynamic engine operates between two...Ch. 16 - 38. * A refrigerator transfers 700 J of thermal...Ch. 16 - Prob. 39RPPCh. 16 - Prob. 40RPPCh. 16 - Fuel used to counter air resistance The resistive...Ch. 16 - Prob. 42RPPCh. 16 - Prob. 43RPPCh. 16 - The value of CA for a Ford Escape Hybrid is...
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