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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Solving Atwood's Machine: Find Forces & Acceleration
- jungleismassiv
- · Replies 2 ·
Work Required to Empty Tank of Hot Chocolate
- ProBasket
- · Replies 2 ·
Fluid Mechanics and Bernoulli's principle
- apchemstudent
- · Replies 3 ·
Can Implicit Differentiation Be Used to Solve for dy/dx?
- KingNothing
- · Replies 7 ·
Physics Lab Diffraction: Investigating Maxima Widths
- StonieJ
- · Replies 7 ·
Solving Impulse and Force Problems: Physics Help for Stopping Objects
- shredmaster1013
- · Replies 6 ·
Power Needed to Accelerate 700kg Car from Rest
- johnnyb
- · Replies 4 ·
How Do You Solve These Integral Problems Using U-Substitution?
- EasyStyle4747
- · Replies 4 ·
Question regarding to magnetic field
- leolaw
- · Replies 2 ·
Another one of them circuit questions
- NotaPhysicsMan
- · Replies 2 ·
Calculating Magnetic Field of a Conducting Loop Using Biot-Savart's Law
- formulajoe
- · Replies 4 ·
Does Heating a Frying Pan Change Its Mass?
- pinkie
- · Replies 2 ·
Electromagnetic radiation and Canadian Light Source
- kiwikiwi79
- · Replies 2 ·
Cyclist cycling in a perfect circle - find radius
- Woody11
- · Replies 2 ·
How does a transformer regulate power between its different sides?
- myself
- · Replies 2 ·
Mortgage with amorization period of 25 years BUT Y?
- aisha
- · Replies 4 ·
Horizontal force is needed to pull the sled
- vicervixen
- · Replies 4 ·
Proof of Convergence: Limit (n!)/(n^n) = 0
- tonebone10
- · Replies 2 ·
Which term should be chosen for u(x) in integration by parts?
- zanazzi78
- · Replies 5 ·
Factors affacting time period of pendulum
- shahrukh
- · Replies 3 ·
How Do FDTD, Finite Volume, and Finite Elements Differ?
- physmurf
- · Replies 7 ·
Calculating Work Done by Rotating Mass: A Comprehensive Guide
- UrbanXrisis
- · Replies 2 ·
Centripetal Force: Mass, Speed, Frequency, Radius
- naren11
- · Replies 2 ·
Analyzing Linear Systems with Complex Eigenvalues: A Case Study
- stunner5000pt
- · Replies 2 ·
Uniform Circular Motion Confusion
- gokugreene
- · Replies 9 ·
Induced EMF in loop in magnetic field
- GingerBread27
- · Replies 2 ·
Quantum mechanics - angular momentum problem
- Nylex
- · Replies 3 ·
Does Air Resistance Increase with Speed Due to Collisions with Air Particles?
- only me
- · Replies 4 ·
Trouble with Derivative Questions? Tips and Solutions for Common Problems
- sjaguar13
- · Replies 2 ·
Trig functions that i have to memorize?
- gillgill
- · Replies 3 ·
How fast will a car be moving at a certain point?
- vitaly
- · Replies 2 ·
Angular velocity of a rod - Help
- flower76
- · Replies 4 ·
More Help yet again with Solving differential equations
- $id
- · Replies 5 ·
Internal Resistance of a Battery
- JoakimvE
- · Replies 14 ·
Question regarding to magnetic field
- leolaw
- · Replies 2 ·
Time of flight of an accelerated electron in a television tube
- dranger35
- · Replies 5 ·
How to calculate relative doppler shift
- Link
- · Replies 3 ·
Index of Refraction: Proving Rays Are Parallel
- figs
- · Replies 2 ·
How Does Rotating a Plane Mirror Affect the Angle of Light Deflection?
- figs
- · Replies 2 ·
How Does the Angle of an Incline Affect the Time of Descent?
- VooDoo
- · Replies 5 ·
Are there closed form solutions to the harmonic series?
- courtrigrad
- · Replies 2 ·
Alter Angular Momentum & Forces | Explained with Examples
- mark9159
- · Replies 4 ·
Last hope = this forum (Math Physics Calc C)
- Fox
- · Replies 3 ·
How Do You Solve Complex Circuit Problems Involving Capacitors and AC Currents?
- ShadowFX
- · Replies 3 ·
What is the Triganomic Identity for Simplifying Trig Expressions?
- lektor
- · Replies 2 ·
How Does Friction Affect Skateboard Performance and Design?
- Maltaethirion
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What is the combination of the safe?
- chjopl
- · Replies 2 ·
Calculating Voltage Across Capacitors in Series and Parallel
- NotaPhysicsMan
- · Replies 5 ·
Uncertainty of a 50g Ball's Position: What Does It Mean?
- jaidon
- · Replies 4 ·
Cauchy sequences in an inner product space
- Oxymoron
- · Replies 21 ·
Calculating Speed of Comet at Greatest Distance from Sun
- UrbanXrisis
- · Replies 2 ·
Tension in 3.14kg, 2m Radius Rope Spinning at 1 rad/sec
- biketar827
- · Replies 2 ·
How Do Newton's Laws Explain the Motion of a Boat When Stepping Off?
- IntellectIsStrength
- · Replies 8 ·
How Many Miles Must I Run to Burn Off My Meal's Calories?
- JasonL
- · Replies 2 ·
Solving for Charge Position from Flux and Gaussian Surface
- Alem2000
- · Replies 2 ·
Two Trains: 500 km Apart in 2.549 Hours
- Tom McCurdy
- · Replies 9 ·
Can a 2.5 Inch Cube Egg Carrier Survive a 20-Foot Drop?
- parksobong
- · Replies 2 ·
How to Calculate Magnetic Field at a Point Near a Wire Using Biot-Savart Law?
- DeepThought
- · Replies 2 ·
What Happens When the Switch Closes in a Magnetic Induction Setup?
- Jacob87411
- · Replies 2 ·
Two Lense Problem: Solving A, B & C
- Jacob87411
- · Replies 2 ·
Electric Circuit Help: Finding Current and Voltage in a Complex Circuit
- Winner
- · Replies 9 ·
Need help checking integration answers
- shan
- · Replies 7 ·
Integrating cos^3(x) and √cos^3(x): Step-by-Step Guide | Helpful Tips
- Player_13
- · Replies 33 ·
Projectile Problem With Athlete
- krypto
- · Replies 2 ·
How Do You Solve This Exponential Growth and Decay Algebra Problem?
- misskitty
- · Replies 12 ·
How Does Electromagnetic Induction Apply to Rotating Rods and Copper Loops?
- rocky811
- · Replies 2 ·
How do I find an unknown weight ?
- mushhhy
- · Replies 2 ·
Solving the Relativistic Dilemma: Object A Overtaking Object B
- Pengwuino
- · Replies 6 ·
Sodium hydroxide neutralized by phosphoric acid
- Casandra_J
- · Replies 2 ·
Force of gravity between two objects
- pinkcarnations
- · Replies 4 ·
How Do I Calculate Uncertainty in Combined Measurements?
- scissors
- · Replies 2 ·
Calculating the Power and Impact of Black Body Radiation from the Sun
- scissors
- · Replies 3 ·
How Do I Solve These Challenging Definite Integrals?
- EasyStyle4747
- · Replies 6 ·
Need help on another electromagnetic problem
- andrew410
- · Replies 2 ·
How Do You Calculate Self-Inductance of a Resistor in an A.C. Circuit?
- stevedave12
- · Replies 4 ·
Problem with electromagnetic waves
- andrew410
- · Replies 2 ·
Find the volume of the resulting solid
- ProBasket
- · Replies 2 ·
Integrals of sqrt (simple, but I am getting frustrated)
- Meghan
- · Replies 10 ·
How Do You Solve These Quadratic Equations in Real-Life Scenarios?
- TheShapeOfTime
- · Replies 6 ·
Yet Another Simple Tension Problem
- wetcarpet
- · Replies 10 ·
Projectile Launch - Earth's Radius
- vworange
- · Replies 2 ·
Waves: Transmission/Reflection Coefficients/Energy Conservation
- maverick280857
- · Replies 2 ·
How Do Microwaves Affect Water Temperature in Different Sized Containers?
- andrew410
- · Replies 2 ·
Induced EMF from Dropped Steel Beam: Physics Calculation
- waywardtigerlily
- · Replies 4 ·
Balloon FreeBodyDiagram Question
- faylihn
- · Replies 4 ·
Physics Hwk. Problem: Frictional Force
- shawonna23
- · Replies 2 ·
Finding Max and Min in Oscillating LRC Circuit
- Quipzley
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What is the proof for the existence of a diffeomorphism between A and B?
- AKG
- · Replies 4 ·
Proving Trigonometric Identity: 1-cos2x+sin2x = tanx/1+cos2x+sin2x
- scorpa
- · Replies 14 ·
Finding Equilibrium Angle in Uniform Electric Field
- z_sharp
- · Replies 2 ·
What Is the Correct Tension in Each Wire Holding Up the Light Fixture?
- wetcarpet
- · Replies 3 ·
Solving DC Circuits: Questions 23 & 35
- physpopib
- · Replies 2 ·
Understanding Simple Harmonic Oscillators: Phase Constant Explained
- Rave Grrl
- · Replies 2 ·
Does the Integral Diverge as a Tends to Infinity?
- quasar987
- · Replies 8 ·
Solving Angular Momentum Problem: Why Answer Differs from Book
- UrbanXrisis
- · Replies 2 ·
Conservation of momentum of a rocket
- Felix83
- · Replies 3 ·
Quick help needed on a simple problem (not simple4me)
- mathzeroh
- · Replies 10 ·
How Is the Average Velocity of 22 m/s Calculated in a Golf Ball Strike?
- mushhhy
- · Replies 2 ·
Energy in Relative Motion: Investigating a Paradox
- peacebird
- · Replies 12 ·
Finding Angular Acceleration for a Rotating Wheel with a Hanging Mass
- flower76
- · Replies 3 ·