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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Fundamental frequence of violin string
- yellowmanjuu
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Sphere rolling up an incline then back down
- shizzle
- · Replies 7 ·
Solving Maths Quiz: Numbers 1-50 with 2,5,1,2
- tunesurfer
- · Replies 17 ·
Can You Calculate Torque on an Anemometer Based on Wind Speed and Dimensions?
- ponjavic
- · Replies 2 ·
How Do Zero-Dimensional Points Form One-Dimensional Lines?
- roger
- · Replies 2 ·
Kinetic Theory of Gases Problem
- ucdawg12
- · Replies 2 ·
Need help with torque on a rectangular coil
- Sanosuke Sagara
- · Replies 2 ·
How Does Friction Affect the Work Done in a Closed Loop?
- UrbanXrisis
- · Replies 11 ·
More quantum mechanics nightmare
- jsundberg
- · Replies 13 ·
Powered by the Wind: A School Project Car
- ponjavic
- · Replies 2 ·
Give 70J as heat to a diatomic gas
- cardguy1000
- · Replies 2 ·
Calculating Sound Source Distance and Power Output: A Comprehensive Guide
- tmkgemini
- · Replies 2 ·
Work and conservation of energy
- jbot2222
- · Replies 2 ·
Acceleration of the car if the max tension can be 8000N
- iamgod21
- · Replies 5 ·
Why does a uniformly charged sphere that oscillates not radiate power?
- yxgao
- · Replies 10 ·
How is a credit card number coded for security?
- aisha
- · Replies 20 ·
Using the Chinese Remainder Theorem to Solve Systems of Linear Congruences
- oliver$
- · Replies 4 ·
Calculating Sound Level Increase in a Work Environment: A Machinist's Dilemma
- tmkgemini
- · Replies 2 ·
AP Physics-Temperature and Heat
- salemchic05
- · Replies 2 ·
Calculus - Derivative question
- apchemstudent
- · Replies 10 ·
How does relativity affect the Lyman line and its observed wavelength?
- yxgao
- · Replies 4 ·
Calculating Final Speed of a 120kg Crate on a Frictionless and Frictional Floor
- psycovic23
- · Replies 4 ·
Solving Projectile Motion: Step-by-Step Guide for a German Battleship Cannon
- Kyrrus
- · Replies 18 ·
Probability: Getting Sum of 8 vs Sum of 7 with 2 Dice
- semidevil
- · Replies 4 ·
Find the volume of a described solid
- Physicsisfun2005
- · Replies 1 ·
Graphite and it's application in batteries.
- Padford
- · Replies 2 ·
Find Distance Compressed by Spring w/ Kinetic Friction
- senseandsanity
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X's expectation value in quantum physics
- Palindrom
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Vexing equations of motion problem
- faust9
- · Replies 2 ·
Integrating tan^2(u)(sec(u))du: Is There a Clean Way?
- daveed
- · Replies 2 ·
Finding the Derivative of pV=3600 with p=40
- footprints
- · Replies 7 ·
How Do I Find the Gradient of y=\frac{5x-4}{x^2} at the X-Axis Crossing?
- footprints
- · Replies 10 ·
Is mechanical energy conservative?
- UrbanXrisis
- · Replies 4 ·
Integrating Force: Understanding \oint and \int
- UrbanXrisis
- · Replies 3 ·
How Do You Approach the Limit of π/2 Using Trigonometric Functions?
- twoflower
- · Replies 2 ·
Factorizing a Cubic Equation: How Do I Solve (x-1)(2x-1)(3x-1) = 0?
- Mo
- · Replies 4 ·
Centripetal acceleration of Earth around Sun?
- psycovic23
- · Replies 6 ·
Comparing Forces and Power in a Pulley System: Help with Multiple Choice
- Phyzix
- · Replies 8 ·
Help with Physics Homework Problem - A Hoop & Disk
- rubykristal
- · Replies 12 ·
Calculating Well Depth: Solving for Standing Sound Waves at 48, 80, and 112 Hz
- Angie913
- · Replies 2 ·
Equilibrium and Rotational Motion
- Soaring Crane
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Calculate momentum and velocity of ball after collision
- IGeekbot
- · Replies 38 ·
What Is the Correct Approach to Calculate Enthalpy of Vaporization?
- stunner5000pt
- · Replies 2 ·
Electrochemical Cells Experiment will it work?
- Colby
- · Replies 2 ·
Rotational Motion: Speed of 13kg Cylinder on 30° & 60° Inclines
- Soaring Crane
- · Replies 2 ·
Is the above relation a function?
- aisha
- · Replies 2 ·
How does inserting a dielectric affect the energy stored in a capacitor?
- Xamfy19
- · Replies 2 ·
Check Inverse f(x)=-1/7x-14: Right or Wrong?
- aisha
- · Replies 8 ·
Final Velocity of Two Objects After Collision
- km
- · Replies 11 ·
Graph & Inverse: Evaluating f(2), f(-2), etc.
- aisha
- · Replies 4 ·
Is the Inverse of f(x) a Function?
- aisha
- · Replies 6 ·
Inverse Functions: Determine f(f-1(x)) and f-1(f(x))
- aisha
- · Replies 8 ·
Understanding Activity Series: A Simple Explanation
- Raza
- · Replies 5 ·
How far will a box slide with a given push and coefficient of kinetic friction?
- psycovic23
- · Replies 6 ·
Understanding Asymptotes and Polynomials in Pre-Calculus
- HawKMX2004
- · Replies 5 ·
Calculating the mole of electrons form the current
- bross7
- · Replies 2 ·
What is the tension of each wire?
- tthaitanium
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Calculate Extra Gasoline in kg with Density and Expansion Rates
- cutegirl1980
- · Replies 2 ·
How Does Pressure and Temperature Affect an Air Bubble's Volume at Sea Depth?
- cutegirl1980
- · Replies 2 ·
Need help with thin film interference
- pnazari
- · Replies 2 ·
How Do You Solve for x1 and x2 Using Reduced Row Echelon Form?
- zekester
- · Replies 2 ·
Max-Min Problems: Optimizing Fencing, Fare Charges, and Can Construction
- courtrigrad
- · Replies 4 ·
Spot Size on Moon from Earth Laser Beam
- nannygreen
- · Replies 2 ·
Question about detectors and solid angles
- yxgao
- · Replies 5 ·
Solving Momentum and Impulse for Mass Dropped from Height
- Chen
- · Replies 12 ·
Determining Final Velocities in Multi-Collision System
- Soaring Crane
- · Replies 7 ·
Need help on rotational dynamics problem quick please
- Crazedkid
- · Replies 2 ·
Solving the Coaster Puzzle: Finding Variables and Calculations
- lidomonkee
- · Replies 2 ·
Help w/ Limit of x^(tan(x)) as x->0 from Right: 2
- SomeRandomGuy
- · Replies 9 ·
How Is Magnetic Flux Calculated Near a Current-Carrying Wire?
- hd28cw
- · Replies 2 ·
Where Does the Second Derivative Term in the Geodesic Equation Come From?
- Hypnotoad
- · Replies 3 ·
What Speed Ensures Maximum Amplitude for a Mass on a Spring System?
- cutegirl1980
- · Replies 2 ·
Discover Urban-Xrisis: A Photographic Journey through the City | EarthLink
- UrbanXrisis
- · Replies 2 ·
A few problems on waves that i with
- SJC25
- · Replies 2 ·
Sums of different pieces of money
- punjabi_monster
- · Replies 2 ·
Solving Elevator Force Problem: Acceleration Calculation & Direction Explanation
- psycovic23
- · Replies 3 ·
Help with Understanding Variables - Urgent!
- elza
- · Replies 2 ·
Understanding a Rotation Problem: Mass, Length, and Acceleration Calculations
- Silimay
- · Replies 2 ·
Finding Expected Value of fy(Y) = 3(1-y)^2
- semidevil
- · Replies 2 ·
Solving for Distance: Finding Work from Mass, Incline & Spring
- UrbanXrisis
- · Replies 3 ·
Help Solving Harmonic Motion Problem
- justagirl
- · Replies 2 ·
Surface Tension: Tap vs Distilled Water
- frb
- · Replies 2 ·
Compressional stress & shear stress
- petep
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What Are Tension, Friction, and Normal Forces in Physics?
- Kimorto
- · Replies 4 ·
Rotational Energy: Spherical Shell Mass & Pulley Speed
- king_naeem
- · Replies 2 ·
Need help with these questions A.S.A.P
- sens_freak_18
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What speed does a cat's tail need to rotate for a safe landing?
- vabamyyr
- · Replies 2 ·
The Explosion of a Vessel and Velocity of its Pieces
- Rave Grrl
- · Replies 7 ·
How Will Car 3 React in Different Cord Scenarios?
- VietDao29
- · Replies 1 ·
Relativity Questions: Answers & Explanations
- CollectiveRocker
- · Replies 2 ·
Forces and Pulleys problem Help due in the morning
- BlasterV
- · Replies 13 ·
Solving the Mystery of a Gold Sculpture's Secret Cavity
- monkeyman44
- · Replies 2 ·
The Mystery of the 'Wet' Asphalt: Explained
- ms. confused
- · Replies 2 ·
Bathroom scale compression problem
- shrtweez13
- · Replies 2 ·
Perturbation Theory: Calculating Ground State Eigenfunction of Particle in a Box
- danja347
- · Replies 5 ·
How Does the Center of Mass Affect Problem Solving in Physics?
- RoseMary
- · Replies 2 ·
Writing a physics report about hydrochloricacid
- Cr4X
- · Replies 7 ·
How Wide Is the Slit in a Single Slit Diffraction Problem?
- vsage
- · Replies 2 ·
Statistic HELP Hope someone can
- johnnyICON
- · Replies 2 ·