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Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

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Calculating Rotations and Linear Acceleration in a Flywheel System

Mar 30, 2004 · Replies 14 · Mar 31, 2004

Replies: 14

Views: 3K

Math Help: Finding Intersection of sin(x) and 2x/pi | Solving Inequalities

Mar 31, 2004 · Replies 11 · Mar 31, 2004

Replies: 11

Views: 3K

True or False: Car Collision Kinetic Energy and Rest

Mar 30, 2004 · Replies 5 · Mar 31, 2004

Replies: 5

Views: 3K

How Does a Roller Coaster Affect Scale Readings?

Mar 27, 2004 · Replies 4 · Mar 31, 2004

Replies: 4

Views: 3K

How far back up will the guy recoil?

Mar 31, 2004 · Replies 4 · Mar 31, 2004

Replies: 4

Views: 2K

Forces and Motion Challenging Qs

Mar 27, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 8K

How Does Earth's Rotation Affect Weight at the Equator Compared to the Poles?

Mar 27, 2004 · Replies 6 · Mar 31, 2004

Replies: 6

Views: 2K

Calculate Time Difference for Two Rays of Light in an Optical Fiber

Mar 31, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 2K

Physics Help: Solving 3 Forces, Friction, & Tow-Bar Force

Mar 31, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 12K

Maximum amplitude of oscillation of a block

Mar 31, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 4K

How Is Friction Calculated for a Scrambler Car That Stops After 10 Meters?

Mar 30, 2004 · Replies 3 · Mar 31, 2004

Replies: 3

Views: 2K

Electrostatic force problem help with vector parts

Mar 31, 2004 · Replies 3 · Mar 31, 2004

Replies: 3

Views: 3K

Creating an Ohmmeter: Solving a HW Problem Using Kirchov's Laws

Mar 29, 2004 · Replies 4 · Mar 31, 2004

Replies: 4

Views: 2K

Solving for ln(-e), (-1)^i, and (2i)^1+i in Rectangular Form

Mar 23, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 2K

How Does a Small Change in Voltage Affect the Power of a Heater?

Mar 23, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 2K

Crane problem (reaction forces)

Mar 30, 2004 · Replies 3 · Mar 31, 2004

Replies: 3

Views: 17K

Calculating Induced EMF in a 5.56m Steel Beam Dropped from 3.97m

Mar 30, 2004 · Replies 3 · Mar 31, 2004

Replies: 3

Views: 3K

How Do You Calculate Satellite Orbits and Friction Factors in Physics?

Mar 30, 2004 · Replies 6 · Mar 31, 2004

Replies: 6

Views: 7K

How Do You Calculate Change in Kinetic Energy for an Elastic Collision?

Mar 31, 2004 · Replies 5 · Mar 31, 2004

Replies: 5

Views: 2K

Is the Emf in a Coil of 100 Turns 0 When B Field Decreases from 1.0 T?

Mar 24, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 2K

What is the current in the other parallel wire when one carries 100A?

Mar 23, 2004 · Replies 2 · Mar 31, 2004

Replies: 2

Views: 2K

Total internal reflection diagram

Mar 23, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 4K

How Does Increasing Track Incline Affect NASCAR Race Speeds?

Mar 27, 2004 · Replies 4 · Mar 30, 2004

Replies: 4

Views: 2K

Integrating tan(3x) using substitution method?

Mar 23, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 2K

Could someone give me an idea for a proof of this

Mar 30, 2004 · Replies 5 · Mar 30, 2004

Replies: 5

Views: 2K

How can I simplify (n+3)!/(n+1)! using the property of factorials?

Mar 23, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 3K

What is the difference between average and final velocity?

Mar 30, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 11K

Calculating Average Binding Energy per Nucleon and Decay of Free Neutrons

Mar 28, 2004 · Replies 3 · Mar 30, 2004

Replies: 3

Views: 16K

Rotational motion of a car's tires

Mar 30, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 3K

Quantum Mechanics: Eigenvaules, and orthogonality

Mar 23, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 3K

Calculating Forces, Moments, and Angular Speed in a Rotational System

Mar 29, 2004 · Replies 4 · Mar 30, 2004

Replies: 4

Views: 2K

Resistance & Tolerance: Calculating Total Values

Mar 29, 2004 · Replies 3 · Mar 30, 2004

Replies: 3

Views: 23K

How many four-digit numbers contain no repeating digits and are even?

Mar 22, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 2K

Current from 2.2 Micro F Capacitor

Mar 30, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 2K

Sarah Asks: How Does Adding Resistors in Parallel Affect Circuit Current?

Mar 22, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 3K

Help 3 well separted conductin spheres

Mar 29, 2004 · Replies 3 · Mar 30, 2004

Replies: 3

Views: 2K

Work Done on 50.0-kg Cylinder Up 3-m High, 6-m Ramp

Mar 29, 2004 · Replies 4 · Mar 30, 2004

Replies: 4

Views: 4K

Trig Substitutions: How to Use & Benefits - Help

Mar 30, 2004 · Replies 2 · Mar 30, 2004

Replies: 2

Views: 1K

Two Questions, one very complicated

Mar 24, 2004 · Replies 21 · Mar 29, 2004

Replies: 21

Views: 4K

Find the phase and group velocity of three plane waves

Mar 22, 2004 · Replies 1 · Mar 29, 2004

Replies: 1

Views: 3K

Dipole in electric field, capacitor

Mar 28, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 4K

Help with some trigonometry problems please

Mar 13, 2004 · Replies 11 · Mar 29, 2004

Replies: 11

Views: 3K

Series circuit and total resistance

Mar 29, 2004 · Replies 7 · Mar 29, 2004

Replies: 7

Views: 3K

How do I find out the capacitor?

Mar 28, 2004 · Replies 12 · Mar 29, 2004

Replies: 12

Views: 3K

Question about reactions and the strong force

Mar 22, 2004 · Replies 1 · Mar 29, 2004

Replies: 1

Views: 2K

Master L'Hospital's Rule: Solving Limits of (1/sin x) - (1/x)

Mar 24, 2004 · Replies 16 · Mar 29, 2004

Replies: 16

Views: 3K

I'm trying to find max height of a projectile

Mar 29, 2004 · Replies 4 · Mar 29, 2004

Replies: 4

Views: 2K

Measuring Lightbulb Temperature: Spectroscopy and Thermocouples

Mar 29, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 2K

Calculating Distance Moved by Boat with a Boy Aboard

Mar 28, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 2K

What Is Induced EMF in Electro-Magnetic Induction?

Mar 22, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 3K

Find Chapter Summaries for Fifth Business

Mar 28, 2004 · Replies 4 · Mar 29, 2004

Replies: 4

Views: 6K

What distance does the boat move

Mar 28, 2004 · Replies 9 · Mar 29, 2004

Replies: 9

Views: 3K

Why Is Path 3 Challenging in This Induction Problem?

Mar 21, 2004 · Replies 2 · Mar 29, 2004

Replies: 2

Views: 15K

How Do I Calculate the Speed of a Box with Friction Involved?

Mar 28, 2004 · Replies 8 · Mar 28, 2004

Replies: 8

Views: 2K

What is the gravitational force on the satellite?

Mar 21, 2004 · Replies 2 · Mar 28, 2004

Replies: 2

Views: 2K

Find Distance of Separation for Magnetic Repulsion of Two Wires

Mar 27, 2004 · Replies 6 · Mar 28, 2004

Replies: 6

Views: 2K

Calculating Power Loss in a High Voltage Transmission Line

Mar 28, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 2K

Projectile Mass Calculation: 275m/s vs 145g at 325m/s

Mar 28, 2004 · Replies 5 · Mar 28, 2004

Replies: 5

Views: 2K

How Can Thermal Sources and UV Index Help in Science?

Mar 26, 2004 · Replies 9 · Mar 28, 2004

Replies: 9

Views: 2K

Re:Statistics: Applications of sampling thoery

Mar 21, 2004 · Replies 1 · Mar 28, 2004

Replies: 1

Views: 2K

Ground Level Ozone Production: Reaction Mechanism

Mar 28, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 2K

Electric Currents and Resistance

Mar 27, 2004 · Replies 6 · Mar 28, 2004

Replies: 6

Views: 2K

Can somebody check my answers (DC-circuit)

Mar 28, 2004 · Replies 2 · Mar 28, 2004

Replies: 2

Views: 2K

How Do You Calculate the Average Density of a Neutron Star?

Mar 27, 2004 · Replies 2 · Mar 28, 2004

Replies: 2

Views: 9K

Instantaneous velocity and friction

Mar 21, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 2K

Understanding Impulse and Momentum: Explained for High School Physics Students

Mar 23, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 3K

Why Does a Filament Light Globe Draw More Current Initially?

Mar 28, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 2K

How Do You Calculate Charge from Electric Field in Electrostatics?

Mar 13, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 3K

Challenging My Professor's Grade: Proving My Answer Is Right!

Mar 26, 2004 · Replies 14 · Mar 28, 2004

Replies: 14

Views: 2K

TJ WheatstoneTroubleshooting Wheatstone Circuits: Assistance Needed

Mar 23, 2004 · Replies 3 · Mar 28, 2004

Replies: 3

Views: 2K

Electric Currents and Resistance I NEED HELP

Mar 27, 2004 · Replies 8 · Mar 27, 2004

Replies: 8

Views: 6K

Solving Difficult Problems: Tips & Strategies

Mar 25, 2004 · Replies 7 · Mar 27, 2004

Replies: 7

Views: 6K

How to Use the Mirror Equation to Solve Convex & Concave Problems in Optics

Mar 22, 2004 · Replies 9 · Mar 26, 2004

Replies: 9

Views: 22K

Adding Velocities with Special Relativity

Mar 24, 2004 · Replies 5 · Mar 26, 2004

Replies: 5

Views: 5K

Refraction Index Ratio: How to Calculate with 2 Unknowns

Mar 25, 2004 · Replies 4 · Mar 26, 2004

Replies: 4

Views: 3K

Resistors in series and parallel

Mar 25, 2004 · Replies 6 · Mar 26, 2004

Replies: 6

Views: 3K

Expanding Steel, Can't Follow Equation

Mar 25, 2004 · Replies 7 · Mar 26, 2004

Replies: 7

Views: 3K

What Is the Acceleration Ratio of a Disk to a Hoop Rolling Down an Incline?

Mar 25, 2004 · Replies 2 · Mar 26, 2004

Replies: 2

Views: 12K

How Much Force Is Needed to Move an Object Up an Inclined Plane?

Mar 23, 2004 · Replies 2 · Mar 26, 2004

Replies: 2

Views: 3K

Conservation of linear momentum

Mar 25, 2004 · Replies 2 · Mar 26, 2004

Replies: 2

Views: 3K

Reposted Thread: QIS Career Project Interview Questions

Mar 25, 2004 · Replies 2 · Mar 26, 2004

Replies: 2

Views: 2K

How Does Voltage Affect Electron Speed in a Magnetic Field?

Mar 25, 2004 · Replies 4 · Mar 26, 2004

Replies: 4

Views: 3K

Calculating Angular Acceleration of Bicycle Wheels

Mar 25, 2004 · Replies 2 · Mar 25, 2004

Replies: 2

Views: 6K

First-Order Spectrum Width for Diffraction Grating

Mar 25, 2004 · Replies 5 · Mar 25, 2004

Replies: 5

Views: 3K

Calculating Static Coefficient of Friction: Mass & Angle

Mar 24, 2004 · Replies 5 · Mar 25, 2004

Replies: 5

Views: 2K

Electric Energy: Experiment & Negative Potential

Mar 18, 2004 · Replies 3 · Mar 25, 2004

Replies: 3

Views: 2K

Finding Relative Extrema & Points Of Inflection

Mar 24, 2004 · Replies 4 · Mar 25, 2004

Replies: 4

Views: 12K

Calculate Force F of Falling Object with Mass m and Velocity v

Mar 25, 2004 · Replies 6 · Mar 25, 2004

Replies: 6

Views: 2K

Magnetic fields at earth equator

Mar 24, 2004 · Replies 9 · Mar 25, 2004

Replies: 9

Views: 16K

How Is Speed Accuracy Measured in Bicycle Computers?

Mar 24, 2004 · Replies 9 · Mar 25, 2004

Replies: 9

Views: 3K

How Does Friction Affect the Transition from Sliding to Rolling in Bowling?

Mar 24, 2004 · Replies 3 · Mar 25, 2004

Replies: 3

Views: 6K

Electric Field and Optics questions

Mar 24, 2004 · Replies 9 · Mar 24, 2004

Replies: 9

Views: 2K

Two Dimensional Motion Projectile

Mar 24, 2004 · Replies 9 · Mar 24, 2004

Replies: 9

Views: 4K

Finding Acceleration of Spindles with Friction

Mar 24, 2004 · Replies 4 · Mar 24, 2004

Replies: 4

Views: 3K

Calculating Velocity of a 10-gram Bullet

Mar 24, 2004 · Replies 2 · Mar 24, 2004

Replies: 2

Views: 2K

Alpha Particle Flow: Current & Resistance

Mar 24, 2004 · Replies 4 · Mar 24, 2004

Replies: 4

Views: 5K

How Do You Calculate Alpha Particles' Impact and Behavior in a Current Problem?

Mar 24, 2004 · Replies 2 · Mar 24, 2004

Replies: 2

Views: 4K

Does Eric's Leap Clear the Puddle?

Mar 24, 2004 · Replies 3 · Mar 24, 2004

Replies: 3

Views: 2K

Calculating Force Components and Impact Force for Flight Recorder Testing

Mar 23, 2004 · Replies 3 · Mar 24, 2004

Replies: 3

Views: 2K

How Does Coulomb's Law Apply to These Electric Field Problems?

Mar 23, 2004 · Replies 3 · Mar 24, 2004

Replies: 3

Views: 9K

Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

By offering explanations, examples, and guidance on physics problems, this service helps students grasp the basic principles of the subject, fostering a solid foundation for more advanced physics studies.

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