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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How Do You Solve an Inclined Plane Problem Involving Friction and Force?
- livvy07
- · Replies 1 ·
Where on the x-axis is the potential zero
- jenzao
- · Replies 2 ·
Travel time difference for light in optical fiber with total internal reflection
- lvjudge
- · Replies 3 ·
Magnetism Problem: Find Force Between 2 Current Wires
- mrjack
- · Replies 2 ·
Increasing monthly temperatures - don't understand the question
- Shukie
- · Replies 22 ·
How Much Work Is Needed to Move a Charge Between Two Points?
- Avis
- · Replies 4 ·
Pendulum that releases at the bottom end of swing?
- jc1821
- · Replies 4 ·
How Efficient Is a Tire Jack Lifting a Car with a 50N Force?
- tuffshorty
- · Replies 3 ·
Force on eardrum from pressure wave amplitude of 0.023 Pa
- bnwchbammer
- · Replies 4 ·
Net Force on 1.6t Car on 40o Banked Icy Road
- chem_is_lovex
- · Replies 1 ·
Finding magnitude of magnetic field in a conducting coil
- ohgoodness13
- · Replies 1 ·
Largest mass of rock that wont sink the boat
- jason_r
- · Replies 2 ·
Calculating Work in Ideal Gas Systems with Movable Pistons
- mp1019
- · Replies 2 ·
Projectile Motion, with only Displacement and Angle Known.
- n72.75
- · Replies 1 ·
Solids Elasticity (Bulk Modulus)
- asoz
- · Replies 2 ·
Distance it takes for terminal velocity
- PhyStan7
- · Replies 1 ·
What Are the Potential and Kinetic Energies of a Swinging Wrecking Ball?
- jaron
- · Replies 3 ·
What is the Tension in the String and the Mass of the Bar?
- Chewy0087
- · Replies 2 ·
Calculating Angular Acceleration, Torque, and Work on a Solid Disk
- cugirl
- · Replies 3 ·
Photon energy, frequency, wavelength
- twotaileddemon
- · Replies 8 ·
What heading should the pilot take in order to reach his destination?
- Draggu
- · Replies 1 ·
What is the average speed of gas molecules in a given volume and pressure?
- hatcheezy
- · Replies 2 ·
How Many Revolutions Before the Mass Slips on a Rotating Disk?
- hatcheezy
- · Replies 1 ·
The Final Equilibrium Temperature Reached?
- hatcheezy
- · Replies 1 ·
Calculating Speed on a Snow Sled with Frictional Force
- hatcheezy
- · Replies 2 ·
Why doesn't mass affect maximum ball height?
- jaron
- · Replies 6 ·
Understanding Double Slit Interference: How Do We Count Fringes?
- lha08
- · Replies 1 ·
How long did it take for the box to travel 4.00 meters?
- hatcheezy
- · Replies 4 ·
Anyone know how to solve these problems (DYNAMICS)?
- ShootingStars
- · Replies 4 ·
Relationship btwn rotational and translational KE
- lemonpie
- · Replies 1 ·
Calculate the new angular velocity of the disc
- rawimpact
- · Replies 5 ·
Why Don't We Convert Wavelength When Light Enters Glass?
- lha08
- · Replies 6 ·
Understanding Magnification in Lens Systems
- Phoenixtears
- · Replies 4 ·
How Fast Must a Bullet Travel to Melt on Impact?
- riverjib
- · Replies 1 ·
Calculating Thermal Stress on Steel Train Rails: Winter to Summer Transition
- jsalapide
- · Replies 2 ·
What Happens to Temperature and Ice Mass When Ice Cubes are Added to Water?
- mattmannmf
- · Replies 4 ·
Two in-phase wave sources 4 m apart with 5 m wavelength
- Osakhomen
- · Replies 18 ·
Wavelength in an electron transition
- elephantorz
- · Replies 4 ·
What is the torque exerted by a stationary car on its rear wheels?
- jhart_929
- · Replies 3 ·
How Does an Inclined Plane Affect Mechanical Energy and Work?
- bobbob
- · Replies 1 ·
How Does Wave Propagation Affect Rope Tension and Displacement?
- TwinGemini14
- · Replies 1 ·
How Does Projectile Motion Affect a Soccer Ball's Velocity After 0.50 Seconds?
- hatcheezy
- · Replies 1 ·
Net Force on Loop in Changing Magnetic Field
- cashmoney805
- · Replies 11 ·
Finding object distance with converging lenses.
- ilovedeathcab
- · Replies 4 ·
Calculating Tension Ratio in Inelastic Collision of Hanging Clay Balls
- Gman24
- · Replies 2 ·
Gauss' Law Application Question
- Pyroadept
- · Replies 2 ·
Projectile Motion with air resistance
- PalashD
- · Replies 2 ·
Magnet and Current-carrying wire/circuit
- zebra1707
- · Replies 2 ·
Calculate Earth's Net Power Output to Space
- mattmannmf
- · Replies 1 ·
What is the spring constant for a given set of scale readings and x coordinates?
- Oo360oO
- · Replies 8 ·
Conceptual questions on sound/waves
- chops369
- · Replies 1 ·
Determine the ice cube temp change
- mattmannmf
- · Replies 1 ·
Linear expansion metal rod problem
- jsalapide
- · Replies 7 ·
Newton's law conceptual question
- riverjib
- · Replies 5 ·
Doped semiconductor, donor electron radius
- Yroyathon
- · Replies 2 ·
Maximum Wavelength of Photon - electron ejection
- max8404
- · Replies 4 ·
Relativistic quantum harmonic oscillator
- lonewolf5999
- · Replies 3 ·
Horizontal elastic collision between a ball and a block attached to a spring?
- offbeatjumi
- · Replies 2 ·
Miller indices of a plane in a simple cube
- ksac
- · Replies 2 ·
How Do You Calculate the Separation Distance Between Two Orbiting Asteroids?
- sskk221
- · Replies 1 ·
Thinnest film in which the reflected light will be a maximum?
- vrobins1
- · Replies 1 ·
How Do You Calculate Transformer Efficiency with Given Power and Voltage?
- Nightwatchman
- · Replies 1 ·
How Do Forces Balance When Standing on Tiptoe?
- wowdusk
- · Replies 1 ·
Amount of Force that Water Exerts on a Dam
- kawaiixsarang
- · Replies 10 ·
Angular Freq. of small oscillations on a wheel/spring.
- nweibley
- · Replies 3 ·
Alpha particle approaching gold nucleus speed
- max8404
- · Replies 4 ·
Simple Electrostatics Problem (Conceptual)
- Saladsamurai
- · Replies 14 ·
What is the material's work function?
- itryphysics
- · Replies 16 ·
Calculate the total entropy change of the steam
- a_narain
- · Replies 1 ·
How Does a Wave Pulse Affect Rope Stretching?
- TwinGemini14
- · Replies 2 ·
Pressure, Force, and Density Calculations for Immersed Objects
- LongFTW
- · Replies 2 ·
Intensity of Double Slit Pattern
- lha08
- · Replies 1 ·
Motion of an Iron Block in Water
- mattmannmf
- · Replies 3 ·
Proton moving through magnetic field
- mariahkraft
- · Replies 6 ·
Calculating slit separation for sound two-slit interference?
- fwFAWFSERG
- · Replies 4 ·
How long does it take for wave to travel the lenght of the string
- RaPiD
- · Replies 4 ·
Buoyant Force and air molecules
- jtestuer
- · Replies 2 ·
Electric potential problem. Conceptual.
- haydn
- · Replies 1 ·
How Do You Calculate the Electric Potential Below a Charged Wire?
- kevinf
- · Replies 5 ·
Mirrors (concave) + questions on lens and mirrors
- whitehorsey
- · Replies 4 ·
Train and Speed of Sound in Air versus Track
- Schoomy
- · Replies 4 ·
Physics final: 9 practice problems on rotation and oscillation
- Matt H
- · Replies 1 ·
Why Is My Calculation of Rotational Inertia Incorrect?
- sskk221
- · Replies 1 ·
Calculating Image Position and Size Using Convex Mirrors
- whitehorsey
- · Replies 2 ·
Calculating Focal Length of a Converging Lens Using Object and Image Distances
- whitehorsey
- · Replies 3 ·
Spring oscillation question HARD
- WINSTEW
- · Replies 1 ·
What is the total resistance of this circuit with all resistors at 20 ohms?
- I_am_Atomos
- · Replies 7 ·
Terminal Voltage automobile storage battery
- jgens
- · Replies 8 ·
What does the Rayleigh criterion mean and what is image resolution?
- lha08
- · Replies 1 ·
Is My Electrical Circuit Calculation Correct?
- jayjay112
- · Replies 1 ·
AC Circuit Resonance Angular Frequency Calculation
- steveironpump
- · Replies 1 ·
What Went Wrong with Calculating Pulley Efficiency?
- livvy07
- · Replies 4 ·
Finding voltages and currents in circuit with two batteries and resistors
- Rudders
- · Replies 6 ·
Center of Mass Movement in a perfectly inelastic collision
- libelec
- · Replies 1 ·
Converting wavelength of light from water into glass for wedge fringes
- lha08
- · Replies 1 ·
Calculating Power Output of Wind Turbine
- JosephF
- · Replies 4 ·
Write the kinetic energy of the sphere
- ritwik06
- · Replies 23 ·
Minimum wing area to keep plane airborne using Bernoulli's equation
- PetetheGreek
- · Replies 3 ·
Ideal gas compressed adiabatically, cooled isochorically, expanded isothermally
- MeliMo
- · Replies 3 ·