Answered: After Before M. Nail (pivot) (a) (b)…

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After Before M. Nail (pivot) (a) (b) (0)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 72A

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

Suppose the disk in Figure has a mass of 50.0 g and an initial velocity of 30.0 m/s when it strikes the stick that is 1.20m long and 2.00 kg.
What is the total linear momentum before and after the collision?

After
Before
M.
Nail (pivot)
(a)
(b)
(0)

Expert Solution

Step 1

The linear momentum before the collision,

Substitute,

Step 2

The moment of inertia,

Substitute,

Step 3

Conservation of angular momentum,

Substitute,

Step by step

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