How do you solve this table? A closed system consists of 4 objects. The table below shows how much angular momentum (magnitude & direction) each object had to start and, with the exception of object D, how much angular momentum each object had at the end. Determine how much angular momentum object D had at the end.| | Object A | Object B | Object C | Object D ||--------------|----------|----------|----------|----------|| **Initial Angular Momentum (J·s)** | 199 | 139 | 193 | 157 || **Initial Direction** | west | east | west | west || **Final Angular Momentum (J·s)** | 162 | 183 | 165 | 178 || **Final Direction** | east | west | west | west |In the table above:- The initial and final angular momentum values are given in Joule-seconds (J·s).- Directions indicate the initial and final orientations of momentum, using cardinal directions (east, west).- For Object D, there is an entry field indicating the final angular momentum as 178 J·s with a direction of west.

Answered: Initial Angular Momentum (J-s)

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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How do you solve this table?

A closed system consists of 4 objects. The table below shows how much angular momentum (magnitude & direction) each object had to start and, with the exception of object D, how much angular momentum each object had at the end. Determine how much angular momentum object D had at the end.

| | Object A | Object B | Object C | Object D |
|--------------|----------|----------|----------|----------|
| **Initial Angular Momentum (J·s)** | 199 | 139 | 193 | 157 |
| **Initial Direction** | west | east | west | west |
| **Final Angular Momentum (J·s)** | 162 | 183 | 165 | 178 |
| **Final Direction** | east | west | west | west |

In the table above:
- The initial and final angular momentum values are given in Joule-seconds (J·s).
- Directions indicate the initial and final orientations of momentum, using cardinal directions (east, west).
- For Object D, there is an entry field indicating the final angular momentum as 178 J·s with a direction of west.

Expert Solution

Step 1

The angular momentum of a rigid object is the product of its moment of inertia and its angular velocity. If there is no external torque on the object, it has linear momentum and is subject to the conservation of angular momentum principle's fundamental constraints. A vector quantity is referred to as "angular momentum." It can be calculated using the expression for angular momentum of a particle.

In a closed system, angular momentum is conserved in a similar fashion as linear momentum.

Angular momentum is a vector quantity. Its not only the magnitude for which we have to be concern about but direction also.

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