G2XA 1250 kg car drives up a hill that is 16.2 m high.During the drive, two nonconservative forces dowork on the car: (i) the force of friction, and (ii) theforce generated by the car's engine. The work doneby friction is -2.91x105 J; the work done by theengine is 6.54x105 Jwww3APRE$47RF%5▼TPart AFind the change in the car's kinetic energy from the bottom of the hill to the top of the hill.BG Search or type URLProvide FeedbackAK = 1.65 105Submit Request AnswerxaالY—| ΑΣΦMacBook ProHN♫&7abUN008√x xQ1Xtv A- 0M9K→x<1X1 X-10nO?HeJAWPJLAMMAGARNext >14.del

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A 1250 kg car drives up a hill that is 16.2 m high. During the drive, two nonconservative forces do work on the car: (i) the force of friction, and (ii) the force generated by the car's engine. The work done by friction is -2.91x105 J; the work done by the engine is 6.54x105 J Part A Find the change in the car's kinetic energy from the bottom of the hill to the top of the hill. [ΨΕΙ ΑΣΦ 음 Submit xa Xb ΔK = 1.65•105 Request Answer √x √x x 1X1 ? X.10n BE

A 1250 kg car drives up a hill that is 16.2 m high. During the drive, two nonconservative forces do work on the car: (i) the force of friction, and (ii) the force generated by the car's engine. The work done by friction is -2.91x105 J; the work done by the engine is 6.54x105 J Part A Find the change in the car's kinetic energy from the bottom of the hill to the top of the hill. [ΨΕΙ ΑΣΦ 음 Submit xa Xb ΔK = 1.65•105 Request Answer √x √x x 1X1 ? X.10n BE

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 92AP: Two blocks, A and B (with mass 50.0 kg and 1.00 102 kg, respectively), are connected by a string,...

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Suppose that the sled plus passenger of the preceding problem is pushed 20 m across the snow at constant velocity by a force directed 30 below the horizontal. Calculate (a) the work of the applied force, (b) the work of fiction, and (c) the total work.
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Check Your Understanding Estimate the power expended by a weightlifter raising a 150-kg barbell 2 m in 3 s.
A worker pushes a wheelbarrow with a horizontal force of 50 N on level ground over a distance of 5.0 m. 11 a friction force of 43 N acts on the wheelbarrow in a direction opposite that of the worker, what work is done on the wheelbarrow by the worker? (a) 250 J (b) 215 (c) 35 J (d) 10 J (e) None of those answers is correct.
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A sledge loaded with bricks has a total mass of 18.0 kg and it pulled at constant speed by a rope inclined at 20.0 above the horizontal. The sledge moves a distance of 20.0 m on a horizontal surface. The confident of kinetic friction between the sledge and surface it 0.500. (a) What is the tension in the rope? (b) How much work is done by the rope on the sledge? (c) What is the mechanical energy lost due to friction?
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