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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Proving No Function That is Continuous Everywhere and Takes Values Exactly Twice
- stunner5000pt
- · Replies 9 ·
Calculating Work Done: 16.0-kg Shopping Cart at a Constant Velocity
- benji
- · Replies 4 ·
How High is the Cliff and What is the Gravity on This Alien Planet?
- miscellaneous
- · Replies 5 ·
Work, energy with kinetic friction
- Bcisewski
- · Replies 2 ·
Help with imaginary and complex numbers
- SpeedeRi2
- · Replies 2 ·
What Is the Correct Calculation for the Mass of the Sun?
- SpeedBird
- · Replies 4 ·
Suggestions for a decent experiment i can carry out in a classroom lab
- mac2000
- · Replies 9 ·
How does porosity effect density measurement?
- Yuna
- · Replies 2 ·
How Does Adding KSCN Affect the Fe^(3+) and SCN^(-) Equilibrium?
- Mathman23
- · Replies 2 ·
Parallel Tangent Line to y=(x-1)/(x+1)
- tink
- · Replies 2 ·
Calculating Travel Time for Commuter Train
- miscellaneous
- · Replies 4 ·
Why Does Noble Gas in Glass Tubing Emit Colored Light?
- ConceptuallyInept
- · Replies 2 ·
What Are Common Physics Homework Questions on Work, Energy, and Vectors?
- Naeem
- · Replies 2 ·
2 Differentiation Rule Questions HELP
- tink
- · Replies 2 ·
Equilibrium and wire tension problem
- FarazAli
- · Replies 5 ·
Chemical reaction: Cu(s)+2H+(aq)--> Cu2+ (aq) + H2 (g)
- primarygun
- · Replies 8 ·
Solving Logarithmic Equations: Log(3-x) + Log(3+x) = Log5
- ms. confused
- · Replies 7 ·
Problems With Fleas and Angular Momentum
- PhysicsIsNotMe
- · Replies 16 ·
Need help with vector dynamics problems
- krypt0nite
- · Replies 2 ·
Differentiate that equation for v(t)
- UrbanXrisis
- · Replies 11 ·
Optimizing Area: Finding the Minimum Value of Sum of Squares for Cut Rectangles
- matpo39
- · Replies 3 ·
Why Am I Getting the Wrong Answers in These Rotational Motion Problems?
- porschedriver192
- · Replies 7 ·
How to Calculate Energy Dissipated by a Resistor with Changing Current
- mstrobel
- · Replies 3 ·
Do 32.7s^-1 and 3.27s Represent the Same Value?
- UrbanXrisis
- · Replies 6 ·
What is the mass moment of inertia about the y-axis for a composite object?
- Spectre5
- · Replies 7 ·
Motion in a Plane question dealing with circular motion
- thomasrules
- · Replies 11 ·
When to Use Conservation of Energy and Work Energy Theorem
- Soaring Crane
- · Replies 4 ·
Genetics: Is Insect Resistance Trait Dominant or Recessive?
- devinthedudeuwm
- · Replies 2 ·
Electromagnetic Radiation problems
- 1timeuse
- · Replies 2 ·
Really lost, pulling ball through water
- UrbanXrisis
- · Replies 9 ·
How do I solve internal force problems in statics?
- Double A
- · Replies 2 ·
Producing a Magnetic Field: What You Need to Know
- scan
- · Replies 2 ·
Rotational Motion: Who Reaches Bottom First?
- justagirl
- · Replies 8 ·
Solve Momentum Problem: Ball & Block Velocities & Rebound Height
- Cheng
- · Replies 5 ·
How would I solve for an objects time in flight which is going off a
- Format
- · Replies 9 ·
Planar Motion: Calculate Object's Horizontal Distance Before Striking Ground
- SpeedeRi2
- · Replies 2 ·
Help with some Resistance Questions
- Hollysmoke
- · Replies 4 ·
Calculating Weight of a 9 kg Mass on Mars: Expert Help Needed
- Katerina Villanova
- · Replies 2 ·
How the coating of steel wool affects its rusting rate
- jisell9036
- · Replies 3 ·
What is the Maximum Gravitational Force Between Two Uniform Spheres?
- paprika
- · Replies 7 ·
Another Trig. Identity Question Any takers?
- math_fortress
- · Replies 6 ·
What Is the Turning Point Concept in Physics?
- Soaring Crane
- · Replies 2 ·
Kinetic frction between the hamburger and the ramp
- bballgirlweez
- · Replies 10 ·
Finding voltage drop in parallel and series circuits
- chickenpuppet
- · Replies 4 ·
Why Are These Functions Time Variant and Non-Causal?
- skan
- · Replies 2 ·
Proving ST=I and TS=I: Finite Dimensionality of V and L(V)
- gravenewworld
- · Replies 4 ·
Interesting Friction problem (please assist me)
- newton1112
- · Replies 2 ·
Minimum Speed and Coefficient of Friction for a Car on a Circular Race Track
- Wi3rdtami
- · Replies 2 ·
1st year problem. Rolling Motion.
- assman
- · Replies 7 ·
Need formula for absolute pressure/force problem
- mbondur
- · Replies 3 ·
How Do You Calculate Deceleration and Angular Acceleration of a Bowling Ball?
- Nylex
- · Replies 6 ·
Need some help with a proof (using the pigeon hole principle)
- allistair
- · Replies 4 ·
Hall Effect Experiment: Confusion and Exploration
- Emc2brain
- · Replies 2 ·
What is the maximum speed of water flow in the intake pipe?
- chattkis3
- · Replies 5 ·
Solving Motion Problems: Distance, Rate & Time
- Hardeep
- · Replies 3 ·
What's Wrong with My Concrete Density Calculation?
- chattkis3
- · Replies 9 ·
Calculating Average Power for Accelerating Car
- PhysicsNovice
- · Replies 3 ·
How Does Slope Angle and Length Affect Trolley Speed?
- Padford
- · Replies 2 ·
Need help with hw momentum and collisions
- ballahboy
- · Replies 2 ·
How Do You Calculate the Change in Momentum of a Softball After Hitting a Bat?
- VinnyCee
- · Replies 3 ·
Find the acceleration of the yo-yo
- wildrjetta
- · Replies 2 ·
Solving for Forces on an Inclined Suitcase
- IGeekbot
- · Replies 5 ·
2 Masses, Friction, Inclined Plane, Pulley problem
- shaggyster
- · Replies 2 ·
Erg, revenge for the physics teacher?
- Tinkerbelle
- · Replies 2 ·
How Do You Calculate the Vector Angular Momentum of a Particle?
- physicsss
- · Replies 2 ·
What Volume Flow Rate Maintains Equal Pressure in Two Connected Pipes?
- biophys
- · Replies 2 ·
What Is the Required Coefficient of Static Friction for a Car on a Banked Curve?
- cdawg201
- · Replies 3 ·
How Is Heat Transferred Between Two Liquids Through a Metal Rod?
- maverick280857
- · Replies 11 ·
Power Equations: 9th Grade Physics Help
- Tool
- · Replies 4 ·
Mech energy and perplexing waterslide
- sanstereo
- · Replies 3 ·
HELP - IBMath Vectors HW - Radio Transmitters
- heavyarms
- · Replies 2 ·
Finding the Height of Remaining Soda at Center of Mass's Lowest Point
- jenavira
- · Replies 2 ·
Asteroid's orbital radius and speed
- guru
- · Replies 4 ·
Why Do My Classical Mechanics Equations Not Align?
- quasar987
- · Replies 2 ·
Projectile Motion and Spring Question
- burg
- · Replies 4 ·
Finding Velocity of Rolling Ball
- GingerBread27
- · Replies 5 ·
Understanding Integrating Factors for Calculus Exams
- Hyperreality
- · Replies 2 ·
A few basic induced current questions
- vsage
- · Replies 1 ·
Another Conservation of Linear Momentum?
- pinky2468
- · Replies 2 ·
How Do You Correctly Write Powers Using Notation on WebAssign?
- Moses
- · Replies 2 ·
Conservation of Momentum and Energy
- Lyuokdea
- · Replies 2 ·
How Do I Solve These Gauss' Law Problems for a Cylindrical Shell?
- acgold
- · Replies 9 ·
Can Matrix Dimensions Vary Within the Same Vector Space Transformation?
- AKG
- · Replies 2 ·
What is the correct formula for solving part b of this problem?
- HobieDude16
- · Replies 9 ·
Solving Trigonometric Equations Using Identities
- Elijah the Wood
- · Replies 5 ·
Running out of hair to yank out (tension)
- Tycho
- · Replies 2 ·
Calculating Strain in a Slowing Elevator Cable
- Tycho
- · Replies 2 ·
Angular momentum uniform rod problem
- HobieDude16
- · Replies 8 ·
Calculating Rotor Revolutions for Space Probe Orientation Change
- GingerBread27
- · Replies 4 ·
How Do OH Groups Affect Solubility and What Solvents Clean Paints?
- dajugganaut
- · Replies 2 ·
Calculating Strain in a Steel Cable Supporting a Freight Elevator
- Tycho
- · Replies 20 ·
Calculating Force: Solving a 10 kg Book and Wall Problem at a 30° Angle
- TheShapeOfTime
- · Replies 2 ·
Using Cross Product to Find Torque
- GingerBread27
- · Replies 4 ·
Basketball software for coaches
- ponjavic
- · Replies 1 ·
What Is the Gauge Pressure at the Inlet of a Pipe in a Bourbon Distillery?
- Tycho
- · Replies 10 ·
Max Speed for 0.20kg Mass on Rotating Turntable
- tigerseye
- · Replies 2 ·
Solving for two unknowns in a 2-D elastic collision. HELP
- parthman5000
- · Replies 6 ·
Can NHTSA Estimate Tire Failure Rates Within Budget?
- tink
- · Replies 2 ·
Exponential Equation with Logarithms: Solving 4^x + 4^x+1 = 40
- ms. confused
- · Replies 11 ·
How much time does it take until the pulses pass each other?
- rocky811
- · Replies 2 ·