Concept explainers
(a)
The
(a)
Answer to Problem 58P
The angular momentum of the Earth when it is rotating about its axis is
Explanation of Solution
Given:
Mass of Earth,
Radius of Earth,
Distance of Earth from Sun,
Time of rotation about its axis,
Earth is rotating about its axis.
Formula used:
Moment of inertia of Earth about its axis,
Angular speed,
Angular Momentum,
Calculation:
Substituting values for moment of inertia,
Substituting values for angular speed,
Substituting values for angular momentum,
Conclusion:
Angular momentum of earth while rotating about its axis is
(b)
The angular momentum of Earth.
(b)
Answer to Problem 58P
The angular momentum of Earth when it is revolving around the Sun is
Explanation of Solution
Given:
Mass of Earth,
Orbital radius,
Time period of revolution,
Earth is revolving around the Sun.
Formula used:
Moment of inertia of Earth about its axis,
Angular speed,
Angular Momentum,
Calculation:
Substituting values for moment of inertia,
Substituting values for angular speed,
Substituting values for angular momentum,
Conclusion:
Angular momentum of earth while revolving around Sun is
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Physics: Principles with Applications
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