Y Y If frictional forces do -1.01x104 J of work on her as she descends, how fast is she going at the bottom of the slope? Take free fall acceleration to be g = 9.80 m/s². 15] ΑΣΦ Submit Part B Request Answer Submit Request Answer Part C [DOC] Now moving horizontally, the skier crosses a patch of soft snow, where the coefficient of friction is 0.22. If the patch is of width 65.0 m and the average force of air resistance on the skier is 160 N. how fast is she going after crossing the patch? 195] ΑΣΦ m/s. ? m/s

Y Y If frictional forces do -1.01x104 J of work on her as she descends, how fast is she going at the bottom of the slope? Take free fall acceleration to be g = 9.80 m/s². 15] ΑΣΦ Submit Part B Request Answer Submit Request Answer Part C [DOC] Now moving horizontally, the skier crosses a patch of soft snow, where the coefficient of friction is 0.22. If the patch is of width 65.0 m and the average force of air resistance on the skier is 160 N. how fast is she going after crossing the patch? 195] ΑΣΦ m/s. ? m/s

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)...

See similar textbooks

Similar questions

A 5.40-kg box rests on a horizontal surface. The coefficient of kinetic friction between the box and surface is µk 0.410. A horizontal force pulls the box at constant velocity for 23.0 cm. Find the work done by the applied horizontal force. Submit Answer Tries 0/10 Find the work done the frictional force. Submit Answer Tries 0/10 Find the work done by the net force. Submit Answer Tries 0/10
A block of mass 3 kg moves to the right a displacement 10 m across a rough surface with a coefficient of kinetic friction 0.3 by a fension 91 N directed at an angle 12" up and to the right. + Part A Calculate the work done by the normal force 0 4 A ? Uk kg The unit you entered is not recognized. Review a stat acceptable.units No credit lost Try again
Determine the velocity of the crate shown when it reaches the bottom given an initial velocity of 5.30 m/s. The coefficient of kinetic friction is 0.30. Use Work and Energy. 12m A 60 kg В 20° а. 1.59 C. 5.047 b. 5.30 d. 17.667
How far must you stretch a spring with k = 1700 N/m to store 210 J of energy? Express your answer in meters. As = 15] ΑΣΦ ? m
A 268-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 40.1 ° below the horizontal. The coefficient of kinetic friction is 0.248. What should be the magnitude of P, so that the net work done by it and the kinetic frictional force is zero? Number i eTextbook and Media Save for Later Units < 0 Attempts: 0 of 5 used Submit Answer
A force of F= (263 N)E -(125 Nj acts on an objeut, causing a displacement of Āp =(3.15 m) î + (2.81 m) . %3D What is the work done on the object?
Pract
Practice
Item 7 7 of 7 A 270-kg load is lifted 24.0 m vertically with an acceleration a=0.190 g by a single cable. Part C Erl+T Determine the work done by the cable on the load. Express your answer to three significant figures and include the appropriate units. HA Wable = Value Units Submit Request Answer Part D Determine the work done by gravity on the load. Express your answer to three significant figures and include the appropriate units. HA ? WG = Value Units O Pearson
A ski starts from rest and slides down a 28∘ incline 90 mlong. Part A If the coefficient of friction is 0.090, what is the ski's speed at the base of the incline?Express your answer to two significant figures and include the appropriate units. Part B If the snow is level at the foot of the incline and has the same coefficient of friction, how far will the ski travel along the level? Use energy methods.Express your answer to two significant figures and include the appropriate units.
4. A frictional braking force is applied at an angle on an object. The frictional braking force is 500N, and the angle it is applied at is 160°. The object is moving forward through a displacement of 20m. Find the work done by the braking force to the nearest joule. = 500 N 160° d=20.0 m
1. Find the work done in the figure below. The magnitude of F= 50 N. The displacement is d= -3.0 m1 and 0 = 120°. d Ꮎ y Enter to 2 significant figures W = 75 F X Making sense: Do you predict positive, negative or zero work? Does your answer support the prediction?