9.The car moving with a mass of 1100 kg and a speed of 17.41 m/s puts on the brakes and slows downto a speed of 8.92 m/s. (a) How much work is done on the car? (b) How much work is done on the car if from itsspeed of 8.92 m/s, the car comes to a stop?Possible answers for (a):(a) OJ(b) - 1.23 x 10³ J11.Possible answers for (b):(a) OJ(b) - 1.23 x 10³ J12.10.A boy exerted a 55 N at 33° with respect to the horizontal by pulling her sister in a wagon. (a) Howmuch work is done if their distance covered is 22 meters? (b) How much distance is covered if the work done is2000 J and the force exerted is still the same? Assume no friction acts on the wagon.Possible answers for (a):(a) - 1014.79 J(b) - 1210.00 JPossible answers for (b):(a) 0 meters(b) 22.00 metersPossible answers for (a):(a) ON(b) 7686.24 N(c) - 4.38 x 10¹ J(d) 1.67 x 105 J(c) -4.38 x 10¹ J(d) 1.67 x 10³ J(a) OJ(b) 16.31 JA roller coaster car descends a hill from Point A to Point B for 46 meters at an angle of 31.31° withrespect to the horizontal. The roller coaster car has a mass of 918 kg. Neglect resistive forces. Determine the (a)net force acting upon the roller coaster car and the (b) the work done on the car by net force.(Clue: the angle between work and displacement is 0°.)Possible answers for (b):(a) OJ(b) 78.19 J(c) 1014.79 J(d) 1210.00 J(c) 108.40 meters(d) 92253.76 metersPossible answers for (b):(a) OJ(c) 3.54 x 10³ J(b) 4.22 x 10² J(d) 4.14 x 105 JJay is pulling a wagon along the sidewalk with a kinetic energy of 11 Joules. Jay then applies a forwardforce of 33.10 Newtons for 2.03 meters. (a) How much work (b) What is the new kinetic energy of the wagon?Possible answers for (a):(c) 8996.40 N(d) 42228.00 N(c) 22.33J(d) 67.19 J(c) 6.11 J(d) 739.12 J

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Description: 9.The car moving with a mass of 1100 kg and a speed of 17.41 m/s puts on the brakes and slows downto a speed of 8.92 m/s. (a) How much work is done on the car? (b) How much work is done on the car if from itsspeed of 8.92 m/s, the car comes to a sto

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9. The car moving with a mass of 1100 kg and a speed of 17.41 m/s puts on the brakes and slows down to a speed of 8.92 m/s. (a) How much work is done on the car? (b) How much work is done on the car if from its speed of 8.92 m/s, the car comes to a stop? Possible answers for (a): (a) OJ (b) - 1.23 x 10³ J Possible answers for (b): (a) OJ (b) - 1.23 × 10³ J (c)-4.38×10 J (d) 1.67 x 10³ J (c)-4.38×10¹J (d) 1.67 x 10³ J

9. The car moving with a mass of 1100 kg and a speed of 17.41 m/s puts on the brakes and slows down to a speed of 8.92 m/s. (a) How much work is done on the car? (b) How much work is done on the car if from its speed of 8.92 m/s, the car comes to a stop? Possible answers for (a): (a) OJ (b) - 1.23 x 10³ J Possible answers for (b): (a) OJ (b) - 1.23 × 10³ J (c)-4.38×10 J (d) 1.67 x 10³ J (c)-4.38×10¹J (d) 1.67 x 10³ J

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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DIRECTION: CHOOSE THE CORRECT ANSWER F 1.A force of 5i+j+ 2k N displaced a body from a position of i+j+km to 2i +4j+ 6k m. How much work is done to displace it through this position? (A)18J (B)6J (C)12J (D)0J 2.Calculate the work done when a force of 2i+5j+ 5k N acts on a body when it produces a displacement of 2i + 4j+ 6k m. (A)54J (B)24J (C)50J (D)18J 3. A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles to each other. The kinetic energy of the body at the end of 10 sec is (A)100 J (B) 300 J (D) 125 J 4) Consider an 80 kg man and 320 kg horse both running along a road with the same kinetic energy. (C)50 J The man must run (A) with the same speed as the horse. (CSS) 4 times as fast as the horse. (B) twice as fast as the horse. (D) 16 times as fast as the horse. 5)particle A is travelling at a velocity of []m/s. It collides with particle B which has a velocity of Jm/s. The particle move together. The mass of particle A is 2kg and the…