In the figure, two skaters, each of mass 50.5 kg, approach each other along parallel paths separated by 2.50 m. They have oppositevelocities of 1.99 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as shepasses. The skaters then rotate about the center of the pole. Assume that the friction between skates and ice is negligible. What are (a)the radius of the circle, (b) the angular speed of the skaters, and (c) the kinetic energy of the two-skater system? Next, the skaters eachpull along the pole until they are separated by 0.98 m. What then are (d) their angular speed and (e) the kinetic energy of the system?(a) NumberUnits(b) NumberUnits(c) NumberUnits(d) NumberUnits(e) NumberUnits>

Option a: (a) Radius of the circle:The radius of the circle formed by the skaters rotating about the…

Answered: In the figure, two skaters, each of…

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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Four 100 g masses are mounted on a much lighter (assume massless) ring. The ring has a radius of 0.1 m. If the ring is to spin around an axis perpendicular to the plane of the ring and passing through its center, what is the moment of inertia? 0.004 kg m^2 0.04 kg m^2 0.001 kg m^2 0.01 kg m^2 0.002 kg m^2
0.1/1E: In the figure, two blocks, of mass m1 = 257 g and m2 = 337 g, are connected by a massless cord that-is wrapped around a uniform disk of mass M = 492 g and radius R = 10.1 cm. The disk can rotate without friction about a fixed horizontal axis through its center; the cord cannot slip on the disk. The system is released from rest. Find (a) the magnitude of the acceleration of the blocks, (b) the tension T in the cord at the left and (c) the tension T2 in the cord at the right. %3D %3! R. (a) Number i Units m/s^2 (b) Number i Units (c) Number Units eTextbook and Media 898 MAY 1 PDF 8 tv .. DD 80 000 000 888 F9 F10 F11 F6 F7 FB F2 F3 F4 F5 @ 23 2$ & 2 3 4 7 8 9
Consider the objects labeled A, B, C, and D shown in the figure. A 米」 B C D Each object is composed of identical thin sticks of uniformly distributed mass 3.43 kg and length 0.303 m. What are the moments of inertia IA, IB, Ic, and Ip of the objects about a rotation axis perpendicular to the screen and passing through the black dot displayed on each object? IA = kg-m2 IB = %3D kg-m² Ic = kg-m? ID = kg-m?
A 45 kg figure skater is spinning on the toes of her skates at 1.3 rev/s. Her arms are outstretched as far as they will go. In this orientation, the skater can be modeled as a cylindrical torso (40 kg, 20 cm average diameter, 160 cm tall) plus two rod-like arms (2.5 kg each, 71 cm long) attached to the outside of the torso. The skater then raises her arms straight above her head. In this latter orientation, she can be modeled as a 45 kg, 20-cm-diameter, 200-cm-tall cylinder. Part A What is her new rotation frequency, in revolutions per second? Express your answer in revolutions per second. ► View Available Hint(s) W₂ Submit Provide Feedback ΑΣΦ ? rev/s
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In Figure 2, two skaters, each of mass 52 kg, approach each other along parallel paths separated by 2.6 m. They have opposite velocities of 1.5 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the other end as she passes. The skaters then rotate around the center of the pole. Assume that the friction between skates and ice is negligible and the skaters can be treated as mass points. Calculate (a) the angular speed of the skaters (b) the kinetic energy of the two-skater system Next, the skaters pull along the pole until they separated by 1.0 m. Calculate (c) the new angular speed of the skaters (d) the new kinetic energy of the two-skater system 1.5 m/s 2.6 m 1.5 m/s Figure 2
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