A person of mass 72 kg stands at the center of a rotating merry-go-round platform of radius 3.2 m and moment of inertia 900 kg m2 The platform rotates without friction with angular velocity 0.95 rad/s. The person walks radially to the edge of the platform. Calculate the angular velocity when the person reaches the edge. Express your answer using two significant figures. W = ΑΣΦ 70 ? Submit Request Answer ▾Part B rad/s Calculate the rotational kinetic energy of the system of platform plus person before the person's walk. Express your answer using two significant figures. ΜΕ ΑΣΦ K₁₁ = Submit Request Answer Part C ? J Calculate the rotational kinetic energy of the system of platform plus person after the person's walk Express your answer using two significant figures. ΜΕ ΑΣΦ ?

A person of mass 72 kg stands at the center of a rotating merry-go-round platform of radius 3.2 m and moment of inertia 900 kg m2 The platform rotates without friction with angular velocity 0.95 rad/s. The person walks radially to the edge of the platform. Calculate the angular velocity when the person reaches the edge. Express your answer using two significant figures. W = ΑΣΦ 70 ? Submit Request Answer ▾Part B rad/s Calculate the rotational kinetic energy of the system of platform plus person before the person's walk. Express your answer using two significant figures. ΜΕ ΑΣΦ K₁₁ = Submit Request Answer Part C ? J Calculate the rotational kinetic energy of the system of platform plus person after the person's walk Express your answer using two significant figures. ΜΕ ΑΣΦ ?

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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Question 4 .
Problem 4: Speed deamplifier. In the figure above on the right, block 1 of mass m1 slides along an x-axis on a frictionless floor at speed 4 m/sec.Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 = 2m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass mz = 4m1. What then is the speed of block 3? Answer: 16 m/sec or 1.78 m/sec.