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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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Archived Centripetal Acceleration and string tension Question

Oct 14, 2012 · Replies 1 · Feb 7, 2016

Replies: 1

Views: 7K

Determining shortest possible "time" to reach destination

Feb 7, 2016 · Replies 12 · Feb 7, 2016

Replies: 12

Views: 5K

Understanding Potential Dividers in Circuit Analysis

Feb 6, 2016 · Replies 33 · Feb 7, 2016

2

Replies: 33

Views: 3K

Physics Experiment Ideas Using Snowboarding

Feb 6, 2016 · Replies 2 · Feb 7, 2016

Replies: 2

Views: 3K

Archived Atomic Spectrum of an Unknown Element

Apr 8, 2013 · Replies 1 · Feb 7, 2016

Replies: 1

Views: 4K

Archived Find the angular acceleration and velocity at the end of a rod.

Apr 29, 2013 · Replies 1 · Feb 7, 2016

Replies: 1

Views: 5K

Archived Finding a lot of answers to water boiling point.

Jun 12, 2013 · Replies 1 · Feb 7, 2016

Replies: 1

Views: 2K

Archived Isothermal expansion of gas question

Oct 30, 2013 · Replies 8 · Feb 7, 2016

Replies: 8

Views: 2K

Archived How Does Adding Heat Affect Pressure in a Sealed Steam Container?

Oct 13, 2013 · Replies 1 · Feb 7, 2016

Replies: 1

Views: 2K

Archived A Resistor and a Capacitor in a Series AC Circuit

Nov 29, 2007 · Replies 3 · Feb 7, 2016

Replies: 3

Views: 23K

Archived RC Circuit: Phase & Magnitude of Current

Mar 10, 2008 · Replies 2 · Feb 7, 2016

Replies: 2

Views: 2K

Change in Momentum of shopping cart

Feb 6, 2016 · Replies 2 · Feb 6, 2016

Replies: 2

Views: 3K

Archived How to use series expansion to simplify

Oct 4, 2008 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Archived Series RLC Circuits: Calculate VL, VC, VR & Phase Angle Phi

Mar 26, 2008 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 8K

What Is the Maximum Initial Velocity of a WW2 German U2 Rocket?

Feb 6, 2016 · Replies 9 · Feb 6, 2016

Replies: 9

Views: 4K

Net Electric Field for 4 Equidistant Charges

Feb 6, 2016 · Replies 2 · Feb 6, 2016

Replies: 2

Views: 3K

Solving for velocity in relativistic momentum

Feb 6, 2016 · Replies 2 · Feb 6, 2016

Replies: 2

Views: 2K

Calculate Bohr Radius of Hydrogen Atom (n=600)

Feb 6, 2016 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Archived Thermo I Question: Two vessels coming to equilibrium. Finding final values.

Oct 11, 2012 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Girl's Velocity Relative to Ground: Solving a Swimming Problem

Feb 6, 2016 · Replies 14 · Feb 6, 2016

Replies: 14

Views: 3K

Archived Maximum Current in LC Circuit: Solving for the Peak Amplitude

Apr 8, 2008 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 13K

Archived Sensitivity in potential divider circuits.

Mar 13, 2009 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 4K

Archived AC Circuit Analysis for Complex Voltages and Impedances

Apr 21, 2009 · Replies 2 · Feb 6, 2016

Replies: 2

Views: 2K

What is the explanation for the differential form of Planck's law?

Jan 27, 2016 · Replies 11 · Feb 6, 2016

Replies: 11

Views: 3K

Is the Force Applied to the Ball Zero in this Scenario?

Feb 6, 2016 · Replies 11 · Feb 6, 2016

Replies: 11

Views: 2K

Trouble with ball being thrown up in the air problem

Feb 6, 2016 · Replies 13 · Feb 6, 2016

Replies: 13

Views: 3K

How can I solve for impulse without time or velocity?

Feb 6, 2016 · Replies 3 · Feb 6, 2016

Replies: 3

Views: 1K

Forces on an inclined plane with a pulley

Feb 6, 2016 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Archived How Do You Calculate Resonant Frequencies and Voltages in an RCL Circuit?

Oct 20, 2009 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 6K

Is There Buoyancy on a Sealed Metal Cube in Water?

Mar 19, 2015 · Replies 22 · Feb 6, 2016

Replies: 22

Views: 2K

Archived Estimate nuclear energy generation rate (formula given) per unit MASS MASS?

Nov 8, 2012 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 3K

Archived Time estimation - mass spectrometer

Nov 8, 2012 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Archived Intensity of coherent/incoherent light

Mar 11, 2014 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 3K

Archived Special relativity: train between two cities

Jan 13, 2014 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Archived Understanding Interference Patterns and the Wave/Particle Duality of Light

Dec 8, 2013 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Calculating Displacement in Relative Motion

Feb 4, 2016 · Replies 12 · Feb 6, 2016

Replies: 12

Views: 2K

The difference between north of east and east of north

Feb 6, 2016 · Replies 3 · Feb 6, 2016

Replies: 3

Views: 8K

Archived Solve RLC Circuit Power Factor Problem: 3 x 10^3 Hz, 139V rms, 37.1A rms

Apr 15, 2010 · Replies 1 · Feb 6, 2016

Replies: 1

Views: 2K

Negative vector why isn't it choice 4.

Feb 5, 2016 · Replies 4 · Feb 6, 2016

Replies: 4

Views: 1K

Man on Platform: Min Value of μs for Radial Motion to be Straight

Feb 5, 2016 · Replies 2 · Feb 5, 2016

Replies: 2

Views: 1K

Archived How to Calculate Voltage Across R3 in a Voltage Divider Circuit?

Apr 29, 2010 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Projectile Motion Soccer Ball Problem

Feb 5, 2016 · Replies 22 · Feb 5, 2016

Replies: 22

Views: 5K

Archived Centripetal force and Coriolis force?

Jun 9, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Help approximating an electric field between points.

Feb 1, 2016 · Replies 4 · Feb 5, 2016

Replies: 4

Views: 5K

Archived Quick circuit help/confirmation

Oct 19, 2010 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 1K

Acceleration Due to Gravity on Elevator

Feb 5, 2016 · Replies 15 · Feb 5, 2016

Replies: 15

Views: 4K

Archived How Much Weight Can a Walkway Hold Before Balance Is Lost?

Sep 30, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 3K

Archived Charging and discharging RC circuits

Oct 23, 2011 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 4K

Archived Rotation with String Slipping & Not Slipping

Dec 2, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Archived Calculate Deformation of Pinching a Pipe

Aug 4, 2014 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 1K

Archived Force from a Hemispherical shell

Dec 8, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Archived Second Law of Thermodynamics - Refrigerators

Dec 11, 2012 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Archived How Do CLC Circuits Oscillate in Series and Parallel Configurations?

Apr 3, 2005 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 8K

Kleppner/Kolenkow Pulley Example

Feb 5, 2016 · Replies 5 · Feb 5, 2016

Replies: 5

Views: 2K

Archived Iterative method to solving the Colebrook-White equation

Mar 17, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 11K

Archived Finding the thermal energy and Q for an isobaric process.

Nov 23, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 4K

Archived Capacitor Charge Redistribution in Series and Parallel Circuits

Feb 19, 2008 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 5K

What impulse must act on the bowling ball to stop it?

Feb 5, 2016 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Archived Is There a More Efficient Way to Solve LC Circuit Problems?

Mar 26, 2008 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 8K

How to find distance that the rope must sag

Feb 5, 2016 · Replies 9 · Feb 5, 2016

Replies: 9

Views: 4K

Calculating Final Velocity in Free Fall from Given Displacement and Acceleration

Feb 5, 2016 · Replies 2 · Feb 5, 2016

Replies: 2

Views: 3K

Archived What Is the Maximum Voltage on a 1200 μF Capacitor in an LC Circuit?

May 23, 2009 · Replies 2 · Feb 5, 2016

Replies: 2

Views: 10K

Archived Explaining drag is proportional to speed squared with Bernouilli's Equation

Nov 17, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 4K

Solving Vector 1: Is arctan the Only Way?

Feb 5, 2016 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 1K

Archived Forces in achilles and foot bone

Oct 23, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 9K

Archived Maximizing Flow Rate in a Water Pipe: Accounting for Pipe Losses

Jul 30, 2014 · Replies 2 · Feb 5, 2016

Replies: 2

Views: 2K

Archived And that is the expression for the current vs. time curve for this circuit.

Oct 31, 2010 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Archived Standing Waves Proof for Open-Open Tubes

Sep 17, 2014 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 1K

Archived Relative error of a geiger counter?

Apr 1, 2014 · Replies 3 · Feb 5, 2016

Replies: 3

Views: 12K

Archived CMP. Probability of finding electron with E > fermi energy.

Apr 6, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Transverse waves and the movement of particles

Feb 5, 2016 · Replies 3 · Feb 5, 2016

Replies: 3

Views: 2K

Maximizing Force in Simple Harmonic Motion

Feb 5, 2016 · Replies 3 · Feb 5, 2016

Replies: 3

Views: 4K

Energy Calculations: P=VxIxt - Why Watts & not Joules?

Feb 5, 2016 · Replies 5 · Feb 5, 2016

Replies: 5

Views: 4K

Archived Superposition to solve circuit with dependent source

Feb 24, 2014 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 3K

Archived Statistical physics Q: macrostates

Oct 30, 2013 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Calculate the work done by a force on a particle

Feb 3, 2016 · Replies 13 · Feb 5, 2016

Replies: 13

Views: 3K

Understanding the Relationship between Dot and Cross Products

Feb 4, 2016 · Replies 6 · Feb 5, 2016

Replies: 6

Views: 2K

Ambiguity in part B -- Rocket engine failure....

Feb 4, 2016 · Replies 3 · Feb 5, 2016

Replies: 3

Views: 2K

What Is a Complemented Voltage Source in an Inverter Circuit?

Feb 5, 2016 · Replies 9 · Feb 5, 2016

Replies: 9

Views: 4K

Errors in calculating the acceleration of gravity

Feb 4, 2016 · Replies 22 · Feb 5, 2016

Replies: 22

Views: 4K

A body thrown upwards with some external force

Feb 5, 2016 · Replies 5 · Feb 5, 2016

Replies: 5

Views: 1K

Which law of motion accounts for seatbelts

Feb 5, 2016 · Replies 5 · Feb 5, 2016

Replies: 5

Views: 2K

Question about a Conical Pendulum

Feb 5, 2016 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Electric field at (x,y) from uniformly charged rod.

Feb 5, 2016 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 3K

Archived Orbital Quantum Numbers And Total Electron Energy

Mar 24, 2014 · Replies 1 · Feb 5, 2016

Replies: 1

Views: 2K

Displacement from an Acceleration Time Graph

Feb 4, 2016 · Replies 2 · Feb 5, 2016

Replies: 2

Views: 4K

I'm struggling on manipulating kinematics

Feb 4, 2016 · Replies 6 · Feb 5, 2016

Replies: 6

Views: 2K

Problem on Mechanics (Newton's law of motion)

Feb 5, 2016 · Replies 4 · Feb 5, 2016

Replies: 4

Views: 2K

Momentum Ball Collision Find Normal Force

Feb 4, 2016 · Replies 17 · Feb 5, 2016

Replies: 17

Views: 3K

I am confused on how to derive time, and velocity.

Feb 3, 2016 · Replies 4 · Feb 5, 2016

Replies: 4

Views: 2K

Difference between Newton's 2nd Law/3rd Law of motion?

Feb 4, 2016 · Replies 3 · Feb 5, 2016

Replies: 3

Views: 2K

Maximizing Electrostatic Force on a Moving Particle

Feb 3, 2016 · Replies 15 · Feb 5, 2016

Replies: 15

Views: 9K

Linear momentum and Angular momentum

Jan 30, 2016 · Replies 16 · Feb 5, 2016

Replies: 16

Views: 3K

Archived Verify Book Solution for Radius of Curvature Problem

Sep 14, 2003 · Replies 1 · Feb 4, 2016

Replies: 1

Views: 4K

Rollercoasters and Loops and Normal Forces

Feb 4, 2016 · Replies 1 · Feb 4, 2016

Replies: 1

Views: 2K

Average Velocity for Three People's Trips

Feb 3, 2016 · Replies 13 · Feb 4, 2016

Replies: 13

Views: 2K

Archived Mixing steam at different pressures

Apr 20, 2013 · Replies 1 · Feb 4, 2016

Replies: 1

Views: 5K

Question on Deriving Physics Equations

Feb 4, 2016 · Replies 1 · Feb 4, 2016

Replies: 1

Views: 1K

Archived Vapor composition from bubble-point temp.

Oct 31, 2013 · Replies 1 · Feb 4, 2016

Replies: 1

Views: 2K

Projectile Motion: Determine v_0 to go over a fence

Feb 4, 2016 · Replies 4 · Feb 4, 2016

Replies: 4

Views: 2K

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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