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.

Threads

Understanding Forced Oscillations in a Stretched Wire

  • buyuk_turkiye_ufo
  • · Replies 5 ·
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5

How far does the catapult hurl the truck?

  • honxkyu
  • · Replies 8 ·
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8

Relative Motion and acceleration

  • ac2707
  • · Replies 5 ·
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5

Rotating disk falling from string problem

  • sAXIn
  • · Replies 2 ·
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2

Finding the Slope of Staircases for Math Projects

  • totallyclueless
  • · Replies 4 ·
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4

Voltage Question: Find Voltage Drop with 3.30A Draw

  • Jodi
  • · Replies 3 ·
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3

What Causes the Curvature of Spacetime for Orbiting Bodies?

  • roger
  • · Replies 4 ·
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4

Touble with acceleration/velocity problem

  • Hwarang
  • · Replies 7 ·
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7

Collisions- Simple Algebra Problem

  • verd
  • · Replies 2 ·
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2

Maximizing and minimizing the sum of squares when two numbers sum to 1

  • gillgill
  • · Replies 6 ·
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6

How Does Physics Influence Cycling Performance?

  • nelson_gslc
  • · Replies 3 ·
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3

How Can C++ Be Used to Solve Differential Equations?

  • watermint
  • · Replies 5 ·
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5

Energy - the ability to do work

  • rolan
  • · Replies 6 ·
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6

How do I solve INT x sec^2x dx using integration by parts?

  • ryan750
  • · Replies 3 ·
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3

Temperature is the measure of average kinetic energy of an object

  • primarygun
  • · Replies 9 ·
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9

How to find angular momentum for spin 2 particle?

  • qqchico
  • · Replies 3 ·
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3

Believe it or not, I am able to do a lot of this stuff without the board

  • Celestiela
  • · Replies 20 ·
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20

Calculating Wavelength in Water for Electromagnetic Radiation

  • chibi_lenne
  • · Replies 2 ·
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2

Fundamental Frequency and Musical Harmonics

  • helpmeplease
  • · Replies 2 ·
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2

Are there any topics in physics that concerns fire?

  • SnitchSeekaHarry
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2
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2

Calculating the Electric Potential Difference of a Helium Balloon

  • Jchem
  • · Replies 4 ·
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4

Find the volume and temperature after the isobaric expansion

  • Benny
  • · Replies 2 ·
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2

Determining Power Output of Car with Anemometer

  • ponjavic
  • · Replies 10 ·
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10

How Does Damping Affect the Motion of a Mass on a Spring?

  • Hoppa
  • · Replies 14 ·
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14

Finding tension in a rope when swinging a mass in a circle

  • JWest
  • · Replies 6 ·
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6

Conversion of electromagnetic units

  • armored
  • · Replies 2 ·
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2

What Do You See Before a Swimmer Reaches the Critical Angle?

  • Byrne
  • · Replies 2 ·
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2

How Can I Model Dice Behavior to Predict When Half Are Removed?

  • Link
  • · Replies 4 ·
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4

Calculating Speed of Block-Spring Collision w/Kinetic Friction

  • bullroar_86
  • · Replies 2 ·
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2
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14

Total energy, mass, and momentum.

  • Jchem
  • · Replies 3 ·
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3

Inelastic collision with oscillating mass on spring

  • jaymay
  • · Replies 4 ·
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4

Calculating Yo-Yo Angular Momentum on an Inclined Plane

  • Mr. Snookums
  • · Replies 2 ·
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2

Initial velocity of launched ball

  • teken894
  • · Replies 4 ·
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4

Solving a Physics Shell Explosion Question

  • clucky
  • · Replies 3 ·
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3

How Do You Calculate the Fourier Transform of a Rectangular Wave?

  • Henk
  • · Replies 2 ·
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2

Ambuguous description of a problem

  • Ramses The Pharaoh
  • · Replies 7 ·
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7

How to integrate (x² - 1)/(x⁴ + 1)

  • VietDao29
  • · Replies 13 ·
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13

Michelson experiment question/modern physics

  • relativitydude
  • · Replies 2 ·
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2

Rectangular coil in a galvanometer

  • Soshamim
  • · Replies 2 ·
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2

Calculating Frequency and Distance of a Sound Wave

  • jai6638
  • · Replies 6 ·
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6
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5

How Is Kinetic Energy Distributed in a Thorium to Radon Decay Process?

  • MAPgirl23
  • · Replies 2 ·
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2

Does the converse of the intercept theorem hold?

  • lwymarie
  • · Replies 2 ·
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2

Differential calculus question (Mean value theorem)

  • janiexo
  • · Replies 5 ·
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5

Proof of Strictly Upper Triangular Matrix Property by James

  • jdstokes
  • · Replies 2 ·
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2

How Do Colliding Spheres Behave in a Newton's Cradle Setup?

  • Hoppa
  • · Replies 3 ·
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3

How do u solve these kinds of problems?1/3=x^(2/3)

  • gillgill
  • · Replies 6 ·
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6

How to Determine the Maximum Moment for a Non-Rotating Cylinder?

  • afromanam
  • · Replies 9 ·
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9

Thermal Physics: Understanding Ruchardt's Experiment on Pressure Equilibrium

  • Hyperreality
  • · Replies 4 ·
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4

Accelerometer reading on tilted truck body in circular motion

  • ac2707
  • · Replies 6 ·
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6

Finding Magnetic Field in a Square Coil with Tangent Galvanometer

  • Soshamim
  • · Replies 6 ·
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6

How Do You Convert 5'1 and 105 lbs to Metric Units?

  • sobored
  • · Replies 3 ·
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3

What is the most practical way to find the inverse Laplace transform?

  • tandoorichicken
  • · Replies 3 ·
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3
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3

Calculating the Gradient of f(x,y): A Step-by-Step Walkthrough

  • ac2707
  • · Replies 3 ·
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3

How Do You Calculate Activation Energy and Heat of Reaction?

  • ChemRookie
  • · Replies 2 ·
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2

Locating the Locus of a Falling Rod on a Smooth Plane

  • Silverbackman
  • · Replies 2 ·
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2

Spherical tank proportion question

  • TheLaughingMan
  • · Replies 7 ·
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7

Struggling with Work and Energy on Inclines?

  • verd
  • · Replies 10 ·
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10

Linear Operator Rules for Ker T and Ker S: Solving for T and S in R^3

  • Cyannaca
  • · Replies 4 ·
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4

What is the Solution to the Differential Equation y'' + y' -3y =0?

  • RadiationX
  • · Replies 5 ·
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5

Coordination Number and Geometry

  • mathwurkz
  • · Replies 2 ·
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2

How Do You Solve Challenging Second-Order ODE Problems?

  • tandoorichicken
  • · Replies 2 ·
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2

How Does Temperature Affect the Elasticity of Materials?

  • ssj5harsh
  • · Replies 2 ·
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2

Differential calculus questions

  • ~angel~
  • · Replies 11 ·
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11

Partial Fraction Decomposition for Inverse Laplace Transform

  • tandoorichicken
  • · Replies 4 ·
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4

What Happens to a Loudspeaker When the DC Power is Cut Off?

  • Alibadally
  • · Replies 2 ·
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2

Why Does a Charged Particle Move in a Straight Line in a Magnetic Field?

  • shikagami
  • · Replies 6 ·
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6

Acceleration of an electron in a uniform electric field

  • icedevilwoot
  • · Replies 4 ·
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4

Boiling points, melting points and absorbed radiation Q's

  • koomanchoo
  • · Replies 1 ·
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1
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2

Which to use->Dot or cross product

  • Celestiela
  • · Replies 2 ·
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2

Quasistatic processes are reversible?

  • Yegor
  • · Replies 4 ·
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4

Solving QM Griffiths 2.28: Transmission Coefficient

  • genxhis
  • · Replies 2 ·
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2
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2

What force does the dynamometer display?

  • Kamataat
  • · Replies 2 ·
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2

What is the normal reaction on the box in equilibrium on an inclined plane?

  • Gughanath
  • · Replies 15 ·
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15

HHV experiment with bomb calorimeter

  • Will
  • · Replies 3 ·
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3

Engineering Mechanics Couple system question

  • Taiki_Kazuma
  • · Replies 3 ·
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3

Calculate Kinetic Energy of 232Th to 228Ra/Alpha Particle

  • MAPgirl23
  • · Replies 2 ·
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2

Finding surface gravity on Earth using inverse square law

  • Lucretius
  • · Replies 12 ·
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12
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2

Physics degrees of freedom problem

  • squib
  • · Replies 3 ·
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3

Coefficient of kinetic friction from sled and person coasting on snow

  • nutster
  • · Replies 12 ·
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12

Average angular acceleration back for more

  • nutster
  • · Replies 8 ·
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8

Calculating Total Momentum of a System with Two Moving Automobiles

  • MAPgirl23
  • · Replies 2 ·
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2

How does the center of mass affect collisions in theoretical mechanics?

  • allistair
  • · Replies 3 ·
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3

Calculating Electron Movement in a Television Picture Tube

  • z_sharp
  • · Replies 3 ·
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3
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10

Solving for Constants in Dirichlet Kernel Integral Approximations

  • Zaare
  • · Replies 5 ·
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5

Balancing Equations Using the Half-Cell Method

  • BH20
  • · Replies 5 ·
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5

How to Solve e^x+e^{3x}-1=0 for x?

  • Guero
  • · Replies 12 ·
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12

Solving Diffraction Problem with Angle of Deviation & Second Order

  • Jchem
  • · Replies 2 ·
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2

US solar energy collection area with 40% efficiency

  • verd
  • · Replies 2 ·
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2

How Do You Calculate the Arc Length of \( y = e^x \) from 0 to 1?

  • Vadim
  • · Replies 9 ·
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9

How does an air bubble on a submerged solid affect its measured density?

  • PhHsSuga05
  • · Replies 2 ·
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2

Mathematics of nuclear weapons for a degree presentation

  • uraknai
  • · Replies 3 ·
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3