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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Troubleshooting C++ Program: Invalid Conversion Error
- Zurtex
- · Replies 3 ·
Calculating the Speed of a Pendulum Using the Law of Conservation of Energy
- agentd00nut
- · Replies 6 ·
Finding the steady state vector and probablity confused, matrices.
- mr_coffee
- · Replies 1 ·
Relativity - running person gains mass
- recon
- · Replies 2 ·
Calculating Drag Force Constant in a Simple Physics Problem
- azure.hubris
- · Replies 3 ·
Verifying a Calculation of Curvature
- mr_coffee
- · Replies 2 ·
Force, acceleration, gravity question
- Kristin
- · Replies 4 ·
Finding length of the curve, did i mess up simpifying?
- mr_coffee
- · Replies 2 ·
Newton's Third Law/ Circular Motion
- dekoi
- · Replies 1 ·
Calculating Weight on Another Planet
- CollegeMom
- · Replies 2 ·
Finding Discontinuity Algebraically
- Aresius
- · Replies 1 ·
Pressure, force, hydraulic lift problem
- huskydc
- · Replies 2 ·
What Is the Line of Reflection for the Matrix Transformation f(v)?
- bookworm_07
- · Replies 1 ·
Amplitude of an oscillating system graph
- Oerg
- · Replies 2 ·
Physics problems Classical Mechanics and Gravitation
- Superdreamer
- · Replies 1 ·
Level curve of (x² + y²)e^(xy) through point (1,0)
- SigmaCrisis
- · Replies 4 ·
Parallel-Plate Vacuum Capacitor
- LostinPhysics
- · Replies 1 ·
Help? using physics to predict stunt outcome
- DKTKD
- · Replies 1 ·
Understanding Point Charges: Same Sign, Different Magnitudes?
- smunger81
- · Replies 2 ·
Liquid nitrogen temperature superconductors
- gapgirl1010
- · Replies 1 ·
What Is the Role of Static Friction on an Inclined Plane?
- r3dxP
- · Replies 3 ·
What is the best method to solve a 2D water wave equation?
- hunt
- · Replies 1 ·
Understanding Net Electric Fields: Explaining Charges and Magnitudes
- smunger81
- · Replies 12 ·
Please help (i have a paper tomorrow & i am not able to solve it)
- mohdfasieh
- · Replies 2 ·
Find the eigenvalues of this matrix
- Benny
- · Replies 1 ·
Rational functions(just need explanation)
- kevinlikesphysics
- · Replies 2 ·
How far does the box travel along the incline before coming to rest?
- prettynerd
- · Replies 7 ·
What Are the Practical Uses of LRC Circuits in Technology?
- tin llenaresas
- · Replies 1 ·
Why Does Torque Calculation Assume Mass Concentrated at the Center of Mass?
- xailer
- · Replies 5 ·
Please tell me how to solve these
- fahd
- · Replies 2 ·
How Can I Simplify Trigonometric Expressions Using Euler's Formula?
- mewmew
- · Replies 3 ·
What is the importance of scaling in the N-S equations?
- hanson
- · Replies 2 ·
Help with Vector Calculus Derivative
- rad0786
- · Replies 4 ·
Implicit Differentiation Problem - Check my work?
- CACain
- · Replies 2 ·
Good problem on motion in one dimension
- prathyush.kulkarni
- · Replies 1 ·
Solving Vector Equations: Find Value of h
- tandoorichicken
- · Replies 2 ·
Current and Resistance (with a flashback to work I think)
- Mjannell
- · Replies 2 ·
Changing the base logarithms homework
- NewScientist
- · Replies 13 ·
Partial Derivatives (Uncertainty)
- niteshadw
- · Replies 2 ·
Solving Probability Problem: 100 Diodes, 5% Broken
- vabamyyr
- · Replies 2 ·
Factoring Problems: Solving for Inverse-Laplace Transformation
- EvLer
- · Replies 4 ·
How to Calculate Tension in Cable for Stopping a Moving Truck
- DKTKD
- · Replies 8 ·
Master the Chain Rule with These Easy Steps - Check Your Work for Accuracy!
- Whatupdoc
- · Replies 1 ·
Help finding an equation for the level curve
- SigmaCrisis
- · Replies 2 ·
Help with transverse wave motion question
- ruku320
- · Replies 1 ·
L'Hospital Q: Is it Valid for "Regular" Limits?
- EvLer
- · Replies 2 ·
Help with Proof: Particle Falling Distance from vnot to v1
- qqchico
- · Replies 1 ·
Solving a Gravitation Problem: Finding the Size of a Solid Gold Sphere
- jakeowens
- · Replies 7 ·
Find Math Help: Solving for Jet Speed and Heat Transfer Equation
- firemouse
- · Replies 1 ·
Integral of $\frac{1}{x\sqrt{4x + 1}}$: Solutions and Explanations
- PhysicsinCalifornia
- · Replies 5 ·
Universal Gravitation questions
- jshaner858
- · Replies 3 ·
Applying Newton's Laws to general questions.
- jrd007
- · Replies 12 ·
Solving for a Hypotenuse: A Frustrating Problem for Morgan
- rockmorg
- · Replies 5 ·
Which Method Keeps Bob on the Log: Catching or Deflecting the Ball?
- willworkforfood
- · Replies 1 ·
Understanding the Inverse of the Metric Tensor
- arunma
- · Replies 3 ·
Programming TI-83 for Reimann Sums: Y1=\sqrt{1+sin^3}
- Echo 6 Sierra
- · Replies 1 ·
Need help finishing this problem off
- bmore007
- · Replies 13 ·
Orthogonal matrices geometry help
- Pearce_09
- · Replies 4 ·
Calculating Theta for Suspended Mass in Circle
- Punchlinegirl
- · Replies 1 ·
Simple Physics Questions: Stuck on Equations and Variables? Get Help Here!
- Ryan231
- · Replies 6 ·
Finding the Equilibrium Separation in a Diatomic Molecule: A Scientific Approach
- Ginny Mac
- · Replies 5 ·
What is the minimum stopping distance
- emily69_420
- · Replies 5 ·
How Will Lower Liquid Helium Costs Impact Superconductor Development?
- gapgirl1010
- · Replies 7 ·
Astrophysics - Can there be a contact binary from white dwarfs
- jaidon
- · Replies 1 ·
What Went Wrong in Calculating the Volume of Gas from Decomposition?
- Pengwuino
- · Replies 7 ·
Phys/trig Q?s why are they wrong
- kevinlikesphysics
- · Replies 2 ·
How can I use the Excel solver to solve systems of equations?
- rei1574
- · Replies 11 ·
What is the acceleration of the 1200 kg boat?
- chriszollman
- · Replies 4 ·
How Is Time Calculated for a Ball Thrown Upwards?
- nk12
- · Replies 1 ·
Why Doesn't My Implicit Differentiation Match the Book's Answer?
- Aresius
- · Replies 3 ·
Very easy mechanics problem - am i making a stupid mistake?
- Ara macao
- · Replies 1 ·
Understanding Vector Subspaces in R^2
- mpm
- · Replies 4 ·
Calculate the resistance, then find the current at the new voltage
- srhly
- · Replies 2 ·
How Do You Evaluate dw/dt at t=0 Using the Chain Rule Results?
- Whatupdoc
- · Replies 2 ·
Helicopter Velocity in Relation to Ground with Wind
- F.B
- · Replies 2 ·
Proving Reflections in R^n are Symmetric Matrices
- Pearce_09
- · Replies 2 ·
Calculating Projectile Displacement: Step-by-Step Guide | Help Needed
- plane
- · Replies 2 ·
Proving Vector Space Identity: I-T Bijectivity
- Pearce_09
- · Replies 3 ·
What is the Net Force on Charges in a Line?
- Kali8972
- · Replies 3 ·
Proof of expected value expression
- grimster
- · Replies 1 ·
Find Min Horizontal Force to Keep Small Cube from Falling
- PhunWithPhysics
- · Replies 7 ·
Calculating the Constant k in a Spring Pendulum System
- brandon26
- · Replies 1 ·
Angles on a Sphere: Find 4 Equidistant Points
- amcavoy
- · Replies 8 ·
Physics Problem Help: Chin-Up Force & Velocity
- kavdhaliwal
- · Replies 2 ·
Why isn't this working? a simple inverse of a 2x2 matrix
- mr_coffee
- · Replies 4 ·
Figuring out the curvature of a line?
- mr_coffee
- · Replies 6 ·
How Do You Calculate the Probability of Getting the Flu?
- rad0786
- · Replies 2 ·
How Can You Calculate Cliff Height Using Sound?
- babbagee
- · Replies 1 ·
How Do You Calculate Rocket Trajectory Without Air Resistance?
- antiflag403
- · Replies 8 ·
Quick Question - Conservation of Momentum
- Dooga Blackrazor
- · Replies 1 ·
Solve Physics Problem: Blocks and Distance
- plane
- · Replies 3 ·
How can I integrate sin(x)/(1-x) using the substitution method?
- NINHARDCOREFAN
- · Replies 1 ·
Is My Approach to Finding Max/Min on a Circular Disk Correct?
- Giuseppe
- · Replies 1 ·
What Are Some Tips for Starting Moment Couple Problems?
- caddyguy109
- · Replies 31 ·
Find (a) the tension in the cable
- PhysicsinCalifornia
- · Replies 2 ·
Request for help - math problem using binary code
- fizz
- · Replies 2 ·
How Do You Calculate the Coefficient of Kinetic Friction for a Sled?
- PhunWithPhysics
- · Replies 10 ·
Vector Applications: Coplanar Points, Plane & Line Equations
- deryk
- · Replies 2 ·
How Far Can a Particle Travel at 0.99c Before Decaying?
- asdf1
- · Replies 3 ·
Max/Min Polar Curve Values: r = 3 + sin \theta
- trap
- · Replies 9 ·