Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating the index of refraction of a gas
- mrbling
- · Replies 3 ·
Vector Functions, Differentiation
- Falcon
- · Replies 6 ·
What Speed Can a Cyclist Climb a Hill Using the Same Power as Descending?
- skiboka33
- · Replies 10 ·
Effective Forces on a Rigid Body
- AngelofMusic
- · Replies 3 ·
Calculating Proton's Motion in Uniform Electric Field - Answer Check & Help
- cowgiljl
- · Replies 2 ·
Efficiency and Work Done in Electric Systems: 5 Problems Solved
- lucianb
- · Replies 6 ·
Electric field inside a resistor
- SparkimusPrime
- · Replies 2 ·
Some projectile motion problems
- sidm
- · Replies 6 ·
Electroscope Leaves Me Puzzled
- holly
- · Replies 8 ·
Skiing: Calculating Speed and Friction Coefficient
- st3dent
- · Replies 5 ·
Solve Two Identical Waves Superposition Problem
- maxpowers_00
- · Replies 2 ·
Solve Polynomial Problem: Find k (3x^2+kx-8) w/ 2 as Zero
- mustang
- · Replies 10 ·
Apology & Question: Understanding Charge Carriers in Metals
- holly
- · Replies 3 ·
What Is the Change in the Velocity of a Railroad Car When a Man Jumps Off?
- relative rebound
- · Replies 4 ·
How Do You Calculate the Magnitude of a Magnetic Field from Current and Force?
- phystudent
- · Replies 5 ·
Algebra 2 Problems: Problem 2, 4, 14, 22 & 23
- mustang
- · Replies 5 ·
How Is Total Kinetic Energy Calculated for a Rolling Cylinder?
- psruler
- · Replies 17 ·
Thrown Ball on Planet Zeno: Find Height & Time to Ground
- mustang
- · Replies 19 ·
What Is the Difference Between Amplitude and Magnitude in Quantum Mechanics?
- jazzchan
- · Replies 4 ·
Can Solids and Liquids Have the Same Number of Particles?
- SigInt
- · Replies 23 ·
Dependent vs manipulated variables
- Dagenais
- · Replies 2 ·
More impulse and restitution >.<
- BananaMan
- · Replies 4 ·
Angular Acceleration: Calculating Forces in Gymnast's Hands
- AngelofMusic
- · Replies 2 ·
Solving 2 Physics Questions | 65 Characters
- lotusbloom
- · Replies 10 ·
What is the index of refraction of a gas in an interferometer?
- Evergreen
- · Replies 2 ·
Types of Electromagnetic Radiation for Imaging Earth from Space
- Invisible
- · Replies 5 ·
Electricity Help: Get Answers to Your Questions
- BLT
- · Replies 2 ·
Can Someone Help With This Simple Problems?
- supershamy
- · Replies 3 ·
Get Help with 8 Oscillation and Electrical Problems | Expert Solutions Available
- physicszman
- · Replies 13 ·
Solving Improper Integrals: \int_{3}^{6}, \lim_{t\rightarrow\infty}
- tandoorichicken
- · Replies 2 ·
Can You Solve This Urgent Chemistry Reaction Mechanism Problem?
- scrimmage
- · Replies 1 ·
How to Solve the Series Σn/[(n+1)(n+2)(n+3)]?
- Feynmanfan
- · Replies 2 ·
Why Are My Calculations for Post-Collision Speeds Incorrect?
- BananaMan
- · Replies 9 ·
Finding Minimum Height for Loop-the-Loop Marble Problem
- PhysicsPhun
- · Replies 16 ·
Calculating Center of Mass for a System of Spherical Masses on the x-axis
- psruler
- · Replies 5 ·
Calculating Height of Rolling Marble
- cristina
- · Replies 3 ·
Machines pulling an object upwards, find forces
- Format
- · Replies 11 ·
Solving Wave Properties and Displacements: Transverse Waves on a String
- eku_girl83
- · Replies 4 ·
Figuring Out the Radius of Curvature for Separating CO & N2 on Film
- kashmirekat
- · Replies 4 ·
Ah help camrea and eye comparison
- dragun
- · Replies 5 ·
Refraction problems due Midnight
- mustang
- · Replies 2 ·
Solving the Ball's Kinetic Energy and Frictional Work
- cristina
- · Replies 5 ·
Find Distance 'd' on a Curved Ramp with No Friction | Ramp Problem Solved
- Format
- · Replies 2 ·
Researching Ampere's Law: Need Help Finding Resources
- cccontour
- · Replies 2 ·
What Causes Water Droplets to Oscillate Under the Leidenfrost Effect?
- Tamerlane
- · Replies 2 ·
Calculate the kinetic energy of rotation of the earth
- cristina
- · Replies 8 ·
Calculating the Motion of a Rolling Cart Down an Incline
- delta_mu
- · Replies 4 ·
How Does an Immersion Heater Transfer Energy to a Liquid?
- UrbanXrisis
- · Replies 2 ·
It's me again. need somebody to check my answer
- cseet
- · Replies 2 ·
Electromagnetic Induction Principles
- Katty
- · Replies 2 ·
Lagrange ' s equations for spring problem
- student1938
- · Replies 3 ·
Calculate Electric Field Strength for a Charged Object
- cowgiljl
- · Replies 2 ·
Rotational Inertia of two particles
- PhysicsPhun
- · Replies 8 ·
Solving Physics Problems: Mass, Force, Moment of Inertia, Angular Speed
- DeBbIeFrIcKeNrAy
- · Replies 2 ·
Little help with min/max problem w/ n-variables
- TheMadCapBeta
- · Replies 2 ·
Solve Physlet Problem #12 with Expert Tips and Tricks | WPS Physics 5
- Cozmosis
- · Replies 2 ·
Why Multiply Carbon Isotope Mass Numbers by 1.67x10^-27 kg?
- kashmirekat
- · Replies 4 ·
Solving Masses Connected by Rope: Acceleration & Forces
- khawar
- · Replies 2 ·
What is the proportionality constant for a pendulum's period equation?
- Draygon_Phly
- · Replies 5 ·
Solve Diffraction Problem: Find Slit Width
- percy_07
- · Replies 3 ·
How Long Can an Electric Flywheel Delivery Truck Operate Between Chargings?
- PhysicsPhun
- · Replies 10 ·
Distance traveled by a knot in a string ungergoing wave motion.
- new324
- · Replies 2 ·
Finding Penetration Depth in a finite well
- JasonZ
- · Replies 3 ·
Kirchhoff Circuit: Current, Resistors, Voltage
- kashmirekat
- · Replies 9 ·
Gravitation Problem (stuck on Algebra )
- NanoTech
- · Replies 2 ·
Physics Problems: Energy, Angular Momentum, and Acceleration Calculations
- PrudensOptimus
- · Replies 13 ·
Resistivity & Electrical Energy
- ScoutFCM
- · Replies 2 ·
How Do You Calculate Resonant Frequency and Irms in a Series RLC Circuit?
- cseet
- · Replies 2 ·
Finding the moment of inertia for a hollow cylinder
- Antares
- · Replies 2 ·
Solvng the Mass of an Object with a Vibrating String
- new324
- · Replies 3 ·
Combinations for word parallelogram
- haribol
- · Replies 6 ·
Obtaining the Derivative of (sin(x))^x: Step-by-Step Guide
- The_Brain
- · Replies 2 ·
Net Force on q5: Magnitude & Direction
- belleamie
- · Replies 2 ·
Is the Calculated Inductance and Reactance Correct?
- cseet
- · Replies 4 ·
Can Different Molecule and Atom Masses Affect Buoyancy and Particle Count?
- SigInt
- · Replies 5 ·
Is My Calculation for Terminal Speed of a Falling Conducting Loop Correct?
- edtman
- · Replies 2 ·
Calculating Total Resistance & Tolerance of 2 Wires
- UrbanXrisis
- · Replies 2 ·
How do you know for sure what quadrant?
- mathzeroh
- · Replies 2 ·
Axis of Symmetry of y=a(x-r_1)(x+r_2)
- mustang
- · Replies 5 ·
How Can an Egg Drop Project Maximize Bounces?
- TerranS
- · Replies 2 ·
Defining period (T) in terms of A(max) and V(max)
- new324
- · Replies 2 ·
Find tension in three ropes suspending same mass
- Swigs
- · Replies 2 ·
What is the resistance of this device?
- Weather Freak
- · Replies 2 ·
Is a 15 A Circuit Breaker Capable of Handling 10.6 A Maximum Current?
- cseet
- · Replies 4 ·
Solving the Stuck Ring Problem Using Expansion Coefficients
- skwerl
- · Replies 2 ·
How Does Atomic Theory Explain the Increase in Resistance with Temperature?
- Embermage
- · Replies 2 ·
Calculating Tension in Pulley System w/ Friction
- AngelofMusic
- · Replies 4 ·
Finding the Derivative of a Function with Arctan
- ACLerok
- · Replies 27 ·
How Does the Mean Value Theorem Apply When a Function's Derivative Is Zero?
- ACLerok
- · Replies 7 ·
Lab Experiment Help: Examining Spectra and Colors with a Spectroscope
- Macdaddy
- · Replies 2 ·
Is My Wave Superposition Calculation Correct?
- moham_87
- · Replies 2 ·
Ideal Gas Law and Balloon Volume
- Virmeretrix
- · Replies 17 ·
Emergency Homework Help: Forces
- viola_85
- · Replies 9 ·
Change of Phase, Absolute Zero?
- holly
- · Replies 12 ·
Solve Physics Problems with Help from Experts | Physics HELP! PLSSS!
- cseet
- · Replies 2 ·
Calculating Work for Pumping Water from a Hemispherical Tank
- drklrdbill
- · Replies 2 ·
Help with test review problem, magnetic field/capacitors
- PhysMajor34
- · Replies 2 ·
What actually causes a motorcycle to do a wheelie?
- Soilwork
- · Replies 13 ·
How to calculate the enthelpy change of a neutralization reaction
- stargazer
- · Replies 3 ·
Get Physics Homework Help: Calculating Coal Usage per Hour for Electric Clocks"
- phystudent
- · Replies 2 ·