Three identical balls are tied by light strings to the same vertical light rodand rotate around it with the same angular velocity, as shown below.a) What is the ratio of the rotational kinetic energy of the first ball to therotational kinetic energy of the second ball, to the rotational kinetic energyof the third ball? Demonstrate the answer in a form of KE1 : KE2 :KE3b) Imagine, during the rotation, the second string broke and second ball gotremoved from the system. If the masses of the balls are 100g each andinitial angular velocity (before string broke) was 10 rpm, what is the newangular velocity, when only first and third balls remain rotating?c) Where is the center of mass of this system is located?1 mball 12 mball 23 mball 3

Given data: Arrangement of masses as shown To determine: Ratio of Kinetic energies of masses…

Answered: Three identical balls are tied by light…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The small particle of mass (800 gm) spinning with angular velocity (w₁ = 2.3 rad/s, at r₁ = 400 mm), if we use force (F) to change the Angular velocity to (w₂, and r₂ = 250 mm) the value of F is: W1 Select one: A. None B. F = 5.63 N C. F = 9.47 N D. F = 3.52 N F
(2) lahai Q1-e) Kinetics: is used to predict the motion caused by given forces or to determine the forces required to produce given motion True False
A solid cylinder (mass 1.2kg, radius 5.0cm) on a horizontal table is connected to a block (mass 200 g) via a pulley (mass 0.80kg, radius 10.0cm) via a light, rigid string. Draw free body diagram for each of the object 1) list the dynamic and kinematic equations that related to all three objects. 2) find the acceleration of the falling block 3) fnd the angular acceleration of the cylinder and the friction force on it
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A 40-kg disk shown is pin supported at its center. It starts from the rest and rotates to attain an angular velocity of 2 rad/s. The disk is acted upon by a constant couple moment M = 10 N.m clockwise. The spring is originally unstretched and its cord wraps around the rim of the disk. 0.2m ww Ol = a) (10 points) Find the kinetic energy of the disk. b) (30 points) Determine the angle through which the disk rotates
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