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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Is the polarizer angle behavior in polarizing beam splitters as expected?
- stunner5000pt
- · Replies 2 ·
How Does Capacitance Affect Current in an AC Circuit?
- deenuh20
- · Replies 4 ·
How Fast Can You Raise a Bucket with 104 W Power?
- PhyzicsOfHockey
- · Replies 6 ·
What was the cat's speed when it slid off the table?
- moshilover
- · Replies 2 ·
How Do You Solve for Inductance and Resistance in an RLC Circuit?
- deenuh20
- · Replies 1 ·
AN implementation of gauss's law
- impendingChaos
- · Replies 9 ·
Finding radius for half Earth weight in rotating space station
- owura143
- · Replies 1 ·
A little assistance with Friction mu k
- tducote
- · Replies 1 ·
How Do You Calculate Force and Acceleration in Physics Problems?
- dyandel3
- · Replies 1 ·
Capacitors in Series and finding voltage
- lylos
- · Replies 9 ·
Opposite Charged Plates with Sphere
- stylez03
- · Replies 5 ·
Bicycle speed at bottom of hill with friction
- Aikenfan
- · Replies 1 ·
How do I find inner resistance from voltage and current measurements?
- Plasma
- · Replies 18 ·
Electronics - Designing a ciruit
- kel
- · Replies 3 ·
Solve AS Level Statics- Mechanics Questions
- Beautiful Mess
- · Replies 11 ·
Isn't the normal acceleration always towards the center?
- cipotilla
- · Replies 4 ·
Acceleration assumed in the wrong direction again
- cipotilla
- · Replies 4 ·
Parts for Project: Finding What You Need for Success
- FSTg16
- · Replies 5 ·
Work and power to pull skier up a frictionless slope at constant speed
- tnhoots
- · Replies 14 ·
Rutherford Scattering and relativistic effects
- MrDMD83
- · Replies 1 ·
Shortest wavelength for Be3+ lines using lithium reference
- MrDMD83
- · Replies 1 ·
Solve the Daring 510-N Swimmer's Minimum Speed Physics Problem"
- smadina4
- · Replies 3 ·
Solving differential equation x'' = ax
- JK423
- · Replies 8 ·
Solve f=ma Problem: Find Acceleration, Forces on Blocks
- derajfast
- · Replies 2 ·
What Is the Minimum Photon Energy Needed to Produce a Proton-Antiproton Pair?
- PhyzicsOfHockey
- · Replies 1 ·
Electron in an electirc field.
- PhyzicsOfHockey
- · Replies 1 ·
AS Phyics Coursework-Sensor Project
- Padster
- · Replies 2 ·
Rod slider with spring: find velocity components at r = 0.5 m
- stinlin
- · Replies 7 ·
De Broglie wavelength of a 6.0 eV electron
- MrDMD83
- · Replies 4 ·
How Does Torque Relate to Heat Engines and the Second Law of Thermodynamics?
- bruisika
- · Replies 1 ·
Finding dimensions of a toothpaste box with square ends
- venger
- · Replies 25 ·
Math Methods in Physics, find FODE
- DieCommie
- · Replies 7 ·
How Much Power is Needed to Lift 89 Skiers Up a Slope?
- jfleury45
- · Replies 1 ·
How Do You Solve Capacitor Problems Using Kirchhoff's Laws?
- AG1189
- · Replies 3 ·
Solving 2 Weights on a Pulley Problem
- jfleury45
- · Replies 1 ·
Solving the Equation 135=w(w+12): What are the Best Methods?
- venger
- · Replies 8 ·
Finding total current and power dissipation using phasor diagrams
- suspenc3
- · Replies 1 ·
Using Gauss Law to Solve a Planar Slab of Charge Problem
- brad sue
- · Replies 1 ·
Mass on spinning cone: find range of radii for no sliding
- bobthebanana
- · Replies 6 ·
Bicycle speed at bottom of hill with friction
- Aikenfan
- · Replies 15 ·
How Do You Find the Dimensions of a Prism with a Volume of 42 cm³?
- venger
- · Replies 15 ·
What is the Magnitude of Force Exerted on a Meteorite Striking a Car at 530 m/s?
- PhyzicsOfHockey
- · Replies 6 ·
Coulombs Law Problem: Find Point Along Y-Axis for Zero Electric Field
- torquey123
- · Replies 1 ·
Projectile motion with quadratic air resistance for A2 coursework
- Hypochondriac
- · Replies 3 ·
Finding center of mass velocity for two 30 kg masses in vector form
- cgward
- · Replies 1 ·
Speed distribution for a sample of N gas particles
- esoteric deviance
- · Replies 1 ·
Direction of a satellite in a circular orbit
- ND3G
- · Replies 2 ·
How Long Does It Take for Ice Thickness to Double in Cold Conditions?
- dingdong_mustaf
- · Replies 1 ·
Confusing wording? Energy conservation part two
- Shazbot
- · Replies 4 ·
How Does Conservation of Energy Apply to Electron Motion in Electric Fields?
- xxkbxx
- · Replies 13 ·
Problem 39: Why Does He "(569 - 1)/2 = 284"?
- Hyari
- · Replies 1 ·
Hydrostatics - pressure increases with depth
- DieCommie
- · Replies 5 ·
Simple FBD problem: person, chair, earth
- bobthebanana
- · Replies 3 ·
What Is the Maximum Radius for a Roller Coaster Loop to Limit G-Forces to 2.5?
- grigabuoy
- · Replies 1 ·
How Do You Calculate Electric Potential and Field for a Finite Line Charge?
- Brewer
- · Replies 2 ·
Hard Optics Problem: Calculate Magnification & Image Distance
- reb30
- · Replies 2 ·
Finding acceleration from light gate timing of a falling card
- kazuya99
- · Replies 1 ·
What are the equations needed to solve the elastic force on an incline problem?
- cycam
- · Replies 3 ·
Finding the wavelength of a bullet using wave-particle duality
- ziadett
- · Replies 1 ·
Angular Velocity: Formula for Max Velocity of Wood Block
- Brett bALL
- · Replies 1 ·
How Does Scattering Angle Affect Light Polarization?
- Orbital
- · Replies 1 ·
Conservation of Angular Momentum / Kinematics.
- holdenthefuries
- · Replies 2 ·
Which Diagram Shows Accurate Current Flow?
- krnhseya
- · Replies 6 ·
Proving Total Kinetic Energy of Particles
- ougoah
- · Replies 1 ·
Solving for Tension in an Inclined Plane System with Two Connected Blocks
- danielab87
- · Replies 8 ·
Terminal velocity and drag coefficient?
- MaGG
- · Replies 2 ·
How far apart are equipotential surfaces with 10 volt difference?
- BunDa4Th
- · Replies 7 ·
Gravitational potential energy of tarzan
- djgomez
- · Replies 2 ·
Difference between parallel and series
- cy19861126
- · Replies 7 ·
Solving 12V Battery Problem with Resistors
- TheHamburgler1
- · Replies 5 ·
Dissolving Solids: Can They Be Reformed?
- erka15
- · Replies 5 ·
Centripetal acceleration of a race car on a circular track
- marla
- · Replies 3 ·
Solve Mass of unknown atom in Collision Problem
- bpw91284
- · Replies 2 ·
Calculating Current in Parallel Circuits for Scientists
- map7s
- · Replies 5 ·
How much work is done on a bicyclist and her bike when coasting up a hill?
- PhyzicsOfHockey
- · Replies 3 ·
How Can I Calculate the Weight and Compression of a Submerged Coffee Can?
- 2112
- · Replies 1 ·
Tennis ball bouncing on the floor - How high does it bounce?
- ecthelion4
- · Replies 2 ·
At What Angle Does a Skier Leave a Sphere?
- Shazbot
- · Replies 13 ·
Electricity Homework: Calculating Energy, Volume & Distance
- Peach
- · Replies 2 ·
How Do You Determine When to Use Static vs Kinetic Friction in Physics Problems?
- Coldchillin
- · Replies 1 ·
Runner's power and displacement
- stinlin
- · Replies 10 ·
Calculating Speed of Center of Mass for Rotating Disk on Pivot
- dkgojackets
- · Replies 5 ·
Angular Acceleration and wheel revolution
- ecthelion4
- · Replies 5 ·
Distance - Finding Equilibrium Point for Net Force
- ecthelion4
- · Replies 6 ·
Applying the rules of significant figures to calculations
- AznBoi
- · Replies 1 ·
How to Calculate Current in a Coated Tube Connected to a Battery?
- Soaring Crane
- · Replies 3 ·
Dynamics: Moving wedge with mass on it
- bobthebanana
- · Replies 2 ·
Is My Spaghetti Bridge Design Ideal for Maximum Weight Support?
- Marghk
- · Replies 3 ·
How Can Two Different Resistances Dissipate the Same Power?
- eniluap
- · Replies 6 ·
What is the speed of the sports car at the second marker?
- miamiheat5
- · Replies 1 ·
Calculating Work Done by Variable Force on a Frictionless Semicircular Surface
- Peach
- · Replies 17 ·
Rocket with Variable Mass and Air Resistance.
- holdenthefuries
- · Replies 2 ·
How Deep Is the Lake After Dropping a Ball from 30 Meters?
- miamiheat5
- · Replies 1 ·
What is the Time and Final Velocity of a Stone Thrown from a Cliff?
- miamiheat5
- · Replies 2 ·
Car traveling north then east: displacement, speed, velocity
- miamiheat5
- · Replies 1 ·
How Do You Calculate Displacement and Acceleration in a Kinematics Car Problem?
- miamiheat5
- · Replies 2 ·
What is the stopping distance of the car?
- miamiheat5
- · Replies 2 ·
Tangential Acceleration of park ride
- Peach
- · Replies 10 ·
Sound intensity at 25 m is 25 dB; how close for 80 dB?
- MrButtPutts
- · Replies 2 ·
Circular motion with a string with weight
- giggidygigg
- · Replies 2 ·