Problem 7.16 13 of 40 Review Water skiers often ride to one side of the center line of a boat, as shown in the figure (Figure 1). In this case, the ski boat is traveling at 15 m/s and the tension in the rope is 75 N. Part A If the boat does 3700 J of work on the skier in 54. 1 m, what is the angle 0 between the tow rope and the center line of the boat? Express your answer as an integer. Figure O 1 of 1 Submit Heauest Anawer Provide Fendback Next>

Problem 7.16 13 of 40 Review Water skiers often ride to one side of the center line of a boat, as shown in the figure (Figure 1). In this case, the ski boat is traveling at 15 m/s and the tension in the rope is 75 N. Part A If the boat does 3700 J of work on the skier in 54. 1 m, what is the angle 0 between the tow rope and the center line of the boat? Express your answer as an integer. Figure O 1 of 1 Submit Heauest Anawer Provide Fendback Next>

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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Two objects of different mass start from rest and are pulled horizontally with negligible friction by the same magnitude net force and moved through the same distance. The work done on object 1 is 4000 joules. After the force has pulled each object, object 1 is seen to move with half the speed of object 2. Answer the following questions and show your work. a. How much work is done on object 2? b. What is the kinetic energy of object 1 after being pulled? Explain. C. What is the kinetic energy of object 2 after being pulled? Explain. d. What is the ratio of the mass of object 1 to the mass of object 2? Explain and show work.
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Assignment 3 Energy and Work GRASS means Your work must be clear to read. Clearly label all cases (a, b). Show all steps in GRASS format. given/required/analysis/solution/statement. You can type your solutions and answers, but neat handwriting is perfectly acceptable. Please submit your assignment as ONE PDF file on D2L. I do not accept any assignments via email after the due date. 17 Problem: An applied force of 20 N accelerates a block across a level, frictionless surface from rest to a velocity of 8.0 m/s in a time of 2.5 s. Calculate the work done by this force.
A toy car rolls along a track as shown below. From greatest to smallest, rank the potential energy of the toy car for the three marked locations. Provide an explanation for your ranking. A B C
Problem 2 #A A 79 kg olympic diver jumps from a 27 meter diving board A. lick to add speaker notes What is the initial potential energy of the diver? 79 x 9.8 x 27=20,903.4 B. What is its final kinetic energy before she hits the water? C. What is the velocity of the diver as she hits the water?
Part A The two ropes seen in (Figure 1) are used to lower a 255 kg piano exactly 8 m from a second-story window to the ground. How much work is done by w? Express your answer in joules. ν ΑΣφ ? W = J Submit Request Answer Part B How much work is done by T1? Express your answer in joules. ? W = J Submit Request Answer Part C How much work is done by T2 ? Express your answer in joules. ΑΣφ ? W = J Submit Request Answer Figure 1 of 1 Provide Feedback 1830 N 1295 N 60° 45° 2500 N
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