A uniform bar has two small balls glued to its ends. The bar is 3.00 m long and with mass 4.00 kg, while the ballseach have mass 0.700 kg and can be treated as point masses.Part AFind the moment of inertia of this combination about an axis perpendicular to the bar through its center.I = 6.15 kg. m²SubmitPrevious AnswersPart BCorrectFind the moment of inertia of this combination about an axis perpendicular to the bar through one of the balls.I = 18.3 kg + m²SubmitPrevious AnswersPart CCorrectFind the moment of inertia of this combination about an axis parallel to the bar through both balls.I =ΑΣΦ?kg.m²

To find the moments of inertia for the given system, we need to use the parallel axis theorem and…

Answered: A uniform bar has two small balls glued…

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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The uniform solid block in the figure has mass 39.0 kg and edge lengths a = 0.763 m, b = 1.58 m, and c= 0.0730 m. Calculate its rotational inertia about an axis through one corner and perpendicular to the large faces. Rotation axis Number i Units
PLEASE DRAW AN FBD AND ANSWER IT ON A PAPER The figure shown is on a fixed frictionless axle. It has a moment of inertia of I = 50 kg-m2 . The forces acting on the object are F1 = 100 N, F2 = 200 N, and F3 = 250 N acting at different radii R1 =60 cm, R2 = 42 cm, and R3 = 28 cm. Determine the angular acceleration of the object.
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Part A Determine the moment of inertia of a 18-kg door that is 2.5 m high and 1.5 m wide and is hinged along long side. Ignore the thickness of the door. Express your answer using two significant figures.
A 40-N weight hangs from a (massless inelastic) cord that runs around the outside of a pulley. The pulley is a uniform solid disk of radius 12.8 cm and mass 6.5 kg. You may assume the system is released from rest. Determine the angular acceleration of the pulley. Express your answer in rad/s², to at least one digit after the decimal point. 40 N
Masses M = 6.0 kg and m = 3.0 kg are connected by a massless rope as shown in the figure below. The pulley has radius 30 cm. Assume the pulley is a solid cylinder with moment of inertia I =(1/2)MpR2 and that Mp = 42 kg. i. What is the angular momentum of the system in terms of the speed (v) of the two blocks? ii. What is the net torque on the system? iii. Use dL/dt = τext to find the acceleration (a).
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1. Consider a solid sphere and a solid disk with the same radius and the same mass. Explain why the solid disk has a greater moment of inertia than the solid sphere, even though it has the same overall mass and radius. 2. Calculate the moment of inertia for a solid cylinder with a mass of 100 g and a radius of 4.0 cm. 3. In this question you will do some algebra to determine two relations that you will need for Part 2 of this lab. Write down Eq. 11 twice. In the first statement, set the rotational kinetic energy term equal to zero (i.e. -lw? = 0) - call this your "No Krot model". Leave the second as it is written in Eq. 11- call this your "Krot model". For both models, solve for v in terms of g, h, and a. In the Krot model, you will need to use I = kMR? (Eq. 3) and w = V/r. The solution for the Krot model will have a k term as well. Once you have solved for v, use the kinematic relation, v = at, and the trigonometric relationship, h = L sin 0, solve for t for both models separately.…
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