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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Diffraction Grating Homework: Find the Distance of Bright Fringes
- Barry Melby
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Calculating Volume Flow Rate of Olive Oil at a Processing Plant
- Ardec
- · Replies 1 ·
Relativistic Calculations for De-Broglie Wavelength
- IWantToLearn
- · Replies 3 ·
Why Does a Rolling Sphere Climb Higher Than a Sliding Particle?
- connorc234
- · Replies 2 ·
How Do I Interpret This Graph for Homework?
- sidt36
- · Replies 10 ·
Can conservation of momentum be applied here?
- ajaysabarish
- · Replies 33 ·
Electric Potential due to conducting sphere and conducting shell
- Satvik Pandey
- · Replies 38 ·
Multipole expansion of polarized cylinder
- phys-student
- · Replies 1 ·
Spring energy problem at an incline with friction
- Helpmepls11
- · Replies 1 ·
Radius of a lead nucleus and alpha particle
- Oribe Yasuna
- · Replies 20 ·
Physics Question involving a skier and a snowdrift....
- Serella_Madole
- · Replies 5 ·
Finding Voltage from capacitance, current and time
- Weightofananvil
- · Replies 2 ·
How can an increase in area cause a decrease in drift speed?
- MBBphys
- · Replies 6 ·
Mechanics, First year university Physics
- Isaac Pepper
- · Replies 5 ·
Faraday's law with loop of wire and resistor
- xSpartanCx
- · Replies 3 ·
Loop-de-Loop with function of angle
- Indira_Clueless
- · Replies 25 ·
Calculating Fringe Positions in Two-Slit Interference Patterns
- Barry Melby
- · Replies 2 ·
Finding the electron drift speed
- MBBphys
- · Replies 2 ·
Finding the H Field from the E Field
- lcr2139
- · Replies 3 ·
Angular velocity of a rod - translational KE?
- Alettix
- · Replies 15 ·
What is the magnitude of the force exerted by friction?
- CStudy
- · Replies 4 ·
Mastering Physics Work for Tackling Complex Problems
- planetking25
- · Replies 6 ·
What Is the Smallest Angular Separation the Human Eye Can Resolve?
- Barry Melby
- · Replies 1 ·
Need help with an Electric Field Question
- KenG3586
- · Replies 1 ·
Potential in case of concentric shells program
- gracy
- · Replies 7 ·
Understand Field Lines: Positive & Negative Atoms
- Drizzy
- · Replies 2 ·
Thermodynamics of Sealed Cylinder with Piston
- beetlejuice
- · Replies 14 ·
What is the velocity at the midway point of projectile motion?
- rasen58
- · Replies 5 ·
Error Propagation - Reconciling Two Approaches
- cjc0117
- · Replies 5 ·
Force Tension and Force Resistance
- SherlockIsReal
- · Replies 4 ·
Elastic collision between 2 different masses
- Yeldarb
- · Replies 4 ·
Finding the friction before slipping
- Jack.525
- · Replies 9 ·
Momentum, Force, and Impulse: help with balance pan problem
- toboldlygo
- · Replies 9 ·
Uniform Circular Motion and Centripetal acceleration
- suyashr99
- · Replies 8 ·
Calculate Current: Voltage/Resistance
- Meezus
- · Replies 9 ·
Thermodynamics- conservation of heat and energy
- PhysicsInNJ
- · Replies 13 ·
Lab experiment on moment of inertia dynamic
- tj Cho
- · Replies 7 ·
Transverse Oscillation of horizontal Mass-Springs system
- omegasquared
- · Replies 13 ·
Really with lab derivation -- Rolling objects down an incline
- Dusty912
- · Replies 1 ·
Centrifugal and centripetal forces on a half pipe
- galadriel3562
- · Replies 8 ·
A shell explodes into two identical fragments; find v
- toboldlygo
- · Replies 2 ·
Magnetic field of a bent wire and Biot Savart law
- whatisreality
- · Replies 2 ·
Physics Olympiad question Electric circuit
- Hashiramasenju
- · Replies 11 ·
Total forces acting downward on the plane
- goldfish9776
- · Replies 10 ·
Effective Resistance of Circuit: 4.4 Ohm
- Icy98
- · Replies 14 ·
How can I find the velocity of the combined cars after collision?
- lola2000
- · Replies 4 ·
Basic kinematics: projectile motion
- Ryaners
- · Replies 3 ·
Tension of a rope over a pulley
- goldfish9776
- · Replies 22 ·
Laplace equation in spherical coordinates
- Fgard
- · Replies 7 ·
Understanding the Voltage Across a Broken Lamp
- Icy98
- · Replies 4 ·
Making a crude radio (Difficult/Long)
- Euclid4
- · Replies 9 ·
Direction of current in a magnetic field when loop is square
- vizakenjack
- · Replies 1 ·
Power loss when fan is connected; finding current
- vizakenjack
- · Replies 1 ·
Physics concept questions (electric field & potential diff.)
- catch22
- · Replies 5 ·
How Can the Acceleration of a Crate on a Truck Be Determined?
- Jonski
- · Replies 11 ·
Time and time intervals when using kinematic equations
- nerf225
- · Replies 5 ·
Static Equilibrium: Solving Homework Questions
- Meezus
- · Replies 2 ·
Intro to Uniform Circular Motion/Centripetal Acceleration
- a lone fishy
- · Replies 10 ·
Working out kinetic energy and speed
- Meezus
- · Replies 2 ·
Envelope function for two sine curves
- kmsiva
- · Replies 4 ·
How does Band Gap and Refractive index relate to Wavelength?
- Nyfinscyf
- · Replies 2 ·
Values of ##k## for which ##A_{ij}A_{ij} = |\vec a|^2##?
- Incand
- · Replies 2 ·
Equilibrium and find static friction
- PAstudent
- · Replies 1 ·
Momentum and Speed Relativity in a Moving Reference Frame
- Yousufshad
- · Replies 24 ·
How Does Replacing a Sphere Affect Water Level in a Bowl?
- ScrubTier
- · Replies 7 ·
A rocket going up with acceleration =
- David112234
- · Replies 2 ·
Mutual Inductance Homework: What Happens?
- Grim Arrow
- · Replies 10 ·
Ground state energy eigenvalue of particle in 1D potential
- upender singh
- · Replies 6 ·
Calculating the Radius of a Charged Spherical Water Drop
- gracy
- · Replies 6 ·
Potential V at point P on the axis of the ring.
- gracy
- · Replies 1 ·
A small misunderstanding about waves
- NooDota
- · Replies 13 ·
Find the position of the lens between two holes and screen
- moenste
- · Replies 10 ·
Electric field and potential problem
- gracy
- · Replies 3 ·
How many bullets does an astronaut need to fire to return to the space shuttle?
- lethal-octo
- · Replies 7 ·
Is Tensile Force the Same as Tension in Physics Calculations?
- jbrandon
- · Replies 22 ·
What rules governs the mutual induction
- Harrison G
- · Replies 1 ·
Solving a Moment Equation: Understanding the Relationship with AD
- goldfish9776
- · Replies 30 ·
Load Acting on Robot Arm Driven by Electric Motor
- Anto Ronson
- · Replies 1 ·
How Is the Electric Field Intensity Calculated on a Charged Sphere's Surface?
- gracy
- · Replies 33 ·
Working out speed, kinetic energy and resistive force
- Meezus
- · Replies 11 ·
System of lenses with a light source at first focal point
- alivedude
- · Replies 16 ·
Projectile Motion - Center of Mass
- annastewert
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Force to stabilize a door - torque
- r26h
- · Replies 2 ·
Power dissipated by resistor -- Right answer, but need insight
- kostoglotov
- · Replies 32 ·
Potential energy negative, force & displacement co-linear?
- CivilSigma
- · Replies 2 ·
How Much Work Is Done Pulling a Wagon at an Angle?
- Valenti
- · Replies 1 ·
The speed which a ball must be thrown to reach 8m.
- Meezus
- · Replies 12 ·
How do I sketch waves at a boundary with a fixed and free end?
- Nicknacks
- · Replies 2 ·
Finding volume ratio between 2 vessels using ideal gases
- Jamessamuel
- · Replies 3 ·
Calculating Current Using Thévenin's Theorem
- Gbox
- · Replies 1 ·
Tension problem with 2 strings, 1 mass
- jay1194
- · Replies 4 ·
Percentage of Electrons Tunneling Through?
- Miley
- · Replies 1 ·
How Does Hammer Impact Affect Pole Penetration and Energy Dissipation?
- notsoclever
- · Replies 13 ·
How Do You Calculate Terminal Velocity of a Metal Ring in a Magnetic Field?
- accountdracula
- · Replies 3 ·
Electric Field Inside a Dielectric-Filled Spherical Capacitor
- BOAS
- · Replies 8 ·
Why do two 2V batteries in parallel have 2V while in series they produce 4V?
- Drizzy
- · Replies 1 ·
Does turning a spoon in water raises the temperature?
- godingly
- · Replies 1 ·
Possible webpage title: Circuit Troubleshooting: Common Mistakes and Solutions
- Drizzy
- · Replies 25 ·
Energy of 2 spherical shells filled with dielectric
- phys-student
- · Replies 3 ·
Maximum Velocity= 4.8 m/s2Deceleration= -1.2m/s2
- alsy
- · Replies 30 ·