Exam 8: Rotational Equilibrium and Rotational Dynamics

A baseball pitcher loosens up his pitching arm.He tosses a 0.15-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball.What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.32 m?

(Multiple Choice)

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Question 81

An object with mass m and moment of inertia I is spinning with an angular momentum L.Its kinetic energy is:

(Multiple Choice)

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Question 82

A rotating flywheel can be used as a method to store energy.If it is required that such a device be able to store up to a maximum of 1.00 * 10⁶ J when rotating at 400 rad/s, what moment of inertia is required?

(Multiple Choice)

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Question 83

Showing 81 - 83 of 83

A baseball pitcher loosens up his pitching arm.He tosses a 0.15-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball.What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.32 m?

An object with mass m and moment of inertia I is spinning with an angular momentum L.Its kinetic energy is:

A rotating flywheel can be used as a method to store energy.If it is required that such a device be able to store up to a maximum of 1.00 * 10⁶ J when rotating at 400 rad/s, what moment of inertia is required?

Introduction

Motion in One Dimension

Vectors and Two-Dimensional Motion

The Laws of Motion

Energy

Momentum and Collisions

Rotational Motion and the Law of Gravity

Solids and Fluids

Thermal Physics

Energy in Thermal Processes

The Laws of Thermodynamics

Vibrations and Waves

Sound

Electric Forces and Electric Fields

Electrical Energy and Capacitance

Current and Resistance

Direct-Current Circuits

Magnetism

Induced Voltages and Inductance

Alternating Current Circuits and Electromagnetic Waves

Reflection and Refraction of Light

Mirrors and Lenses

Wave Optics

Optical Instruments

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics

Nuclear Energy and Elementary Particles

Filters

Exam 8: Rotational Equilibrium and Rotational Dynamics

A baseball pitcher loosens up his pitching arm.He tosses a 0.15-kg ball using only the rotation of his forearm, 0.32 m in length, to accelerate the ball.What is the moment of inertia of the ball alone as it moves in a circular arc with a radius of 0.32 m?

An object with mass m and moment of inertia I is spinning with an angular momentum L.Its kinetic energy is:

A rotating flywheel can be used as a method to store energy.If it is required that such a device be able to store up to a maximum of 1.00 * 106 J when rotating at 400 rad/s, what moment of inertia is required?

Introduction

Motion in One Dimension

Vectors and Two-Dimensional Motion

The Laws of Motion

Energy

Momentum and Collisions

Rotational Motion and the Law of Gravity

Solids and Fluids

Thermal Physics

Energy in Thermal Processes

The Laws of Thermodynamics

Vibrations and Waves

Sound

Electric Forces and Electric Fields

Electrical Energy and Capacitance

Current and Resistance

Direct-Current Circuits

Magnetism

Induced Voltages and Inductance

Alternating Current Circuits and Electromagnetic Waves

Reflection and Refraction of Light

Mirrors and Lenses

Wave Optics

Optical Instruments

Relativity

Quantum Physics

Atomic Physics

Nuclear Physics

Nuclear Energy and Elementary Particles

Filters

A rotating flywheel can be used as a method to store energy.If it is required that such a device be able to store up to a maximum of 1.00 * 10⁶ J when rotating at 400 rad/s, what moment of inertia is required?