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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Independence of friction and area of contact
- prasanna
- · Replies 3 ·
Formulas I have learned in my pre-AP physics class
- TriumphDog1
- · Replies 7 ·
Project on Sound Absorption: Investigating Results
- Cyan
- · Replies 1 ·
Solve Probability Question: Draw 2 White Balls from Bag
- ms. confused
- · Replies 6 ·
Indicate the regions of the plane
- A_I_
- · Replies 4 ·
What Are the Subgroups and Normal Subgroups of D4?
- Trigger
- · Replies 2 ·
Find Spring Constant (k) in Mass Spring System
- lab04
- · Replies 2 ·
Rotation with constant acceleration
- gunnar
- · Replies 2 ·
Block on Spring without Friction
- Mivz18
- · Replies 2 ·
Potentional energy is work done by gravity?
- primarygun
- · Replies 12 ·
Value of x: 25^x-30(5^x)+125=0 Common Base?
- aisha
- · Replies 8 ·
Solve Particle in a Box Questions: Lowest Energy & Probability
- Physicsiscool
- · Replies 4 ·
Curl and Divergence (flux, and what not)
- dink
- · Replies 3 ·
What is the equation for the tangent line in parametric equations?
- ziddy83
- · Replies 5 ·
Calculating rotational inertia of a sphere
- Silimay
- · Replies 3 ·
Who Can Crack the R-L-C Circuit Challenge?
- Moore65
- · Replies 2 ·
Collision between Oldsmobile and Truck: Velocity and Heading Calculation
- Jameson
- · Replies 3 ·
Solve 5^(log(3X) – log(3)2) = 125: Find X
- punjabi_monster
- · Replies 10 ·
How to Calculate Magnetic Flux with a Long Wire and Rotated Plane
- hd28cw
- · Replies 3 ·
How Do You Solve Related Rates Problems in Calculus?
- p4nda
- · Replies 4 ·
Period of Simple Harmonic Motion: Amplitude Independence
- physicsss
- · Replies 2 ·
What is the velocity and direction of the wreckage after the collision?
- Jameson
- · Replies 4 ·
Is Your Solution to These Rotational Mechanics Problems Correct?
- barnsworth
- · Replies 1 ·
Can someone tell me if this is right ?
- trae160
- · Replies 2 ·
Static Equilibrium and a uniform rod
- BillytheKid
- · Replies 2 ·
Kinematics (Don't know what I did wrong )
- BlasterV
- · Replies 2 ·
Calculating Beam Deflection and Failure Load for Plywood Beam Design
- sol_angel187
- · Replies 3 ·
Does the Probability Density \( P(r) \) Depend on Time for a Given Wavefunction?
- JamesJames
- · Replies 16 ·
Finding Tension Of A Spring In Waves
- GingerBread27
- · Replies 1 ·
Calculating Work Done on a 50kg Crate by 100N Force
- Drey0287
- · Replies 3 ·
I dont understand where i went wrong
- agirlsrepublic
- · Replies 5 ·
Solve for x: (3√27)^3x-1 = 9^x+3 - Tips & Example
- aisha
- · Replies 6 ·
Find Your Center of Mass Solution: How Far Can You Move on a Floating Board?
- Twigs
- · Replies 2 ·
Archimede's law and helium help
- Haftred
- · Replies 2 ·
Coefficient of Friction Question
- JWest
- · Replies 3 ·
What Is the Mass of a Block Pulled with a Force at an Angle?
- scan
- · Replies 2 ·
Why Is the Force Acting on the Object -3k When x=0?
- UrbanXrisis
- · Replies 5 ·
3^2x=5(3^x)+36 whats the exact value of x?
- aisha
- · Replies 7 ·
Are There Negative Solutions for this Exponential Equation?
- aisha
- · Replies 7 ·
Calculating Object Density with Formulae
- Haftred
- · Replies 5 ·
Need help with homework due on the december 6.
- Beowulf
- · Replies 8 ·
Understanding the Space Efficiency of Spheres: An Explanation
- roger
- · Replies 9 ·
Calculating Period of Oscillations - Graph with x and t Coordinates
- Soaring Crane
- · Replies 3 ·
Electric Circuit, drawing question
- NYROCKFAN
- · Replies 5 ·
Strength/weight ratio question
- faust9
- · Replies 3 ·
How do we locate the principal axis?
- JimmyRay
- · Replies 3 ·
Did Jack Burn His Feet Jumping Over the Candlestick?
- manjuj
- · Replies 2 ·
Save Tarzan and Make sure his Vine doesnt break(HELP NEEDED)
- Darienesque
- · Replies 2 ·
What does a head on collision imply?
- stunner5000pt
- · Replies 2 ·
Solving the Sonic Boom Problem: Mach 1.60
- Mikey
- · Replies 2 ·
Universal gravity problem help needed
- gaborfk
- · Replies 2 ·
Calculating Mean Lifetime and Revolutions in Excited State of Hydrogen Atom
- stunner5000pt
- · Replies 2 ·
Is Y=23x+18 the Correct Equation for the Tangent Line at X=2?
- chjopl
- · Replies 6 ·
Mechanics Problem: Cart Velocity with Leaking Sand and Inclined Plane"
- Trigger
- · Replies 2 ·
Solving 2^x=7*5^x: Tips & Tricks
- chjopl
- · Replies 3 ·
I seem to need a little Help here .
- Jack16
- · Replies 2 ·
Maximizing Resistor Efficiency: Calculating Charge and Wattage Requirements
- Lorax
- · Replies 5 ·
Conservation of Energy Problem-I think
- bbbbbev
- · Replies 2 ·
Quadratic Formula: Negative in root?
- CinderBlockFist
- · Replies 5 ·
Work Theory Question: Is a Woman Swimming Upstream Doing Work?
- DLxX
- · Replies 2 ·
Contour Integral with just straight lines?
- hd28cw
- · Replies 2 ·
Paper Bumpers for Collision Reduction
- albert611
- · Replies 2 ·
How Fast Must a Golf Ball Travel to Avoid Windmill Blades?
- Crazedkid
- · Replies 3 ·
How Fast Must a Golf Ball Travel to Avoid a Rotating Windmill Blade?
- Crazedkid
- · Replies 4 ·
Need Help Solving Water Tank Experiment
- Jack16
- · Replies 2 ·
Electron accelerated by potential difference
- gillgill
- · Replies 3 ·
How Does Bernoulli's Equation Apply to Wind Over a House Roof?
- khai06
- · Replies 2 ·
How do I solve the limit of tan^2(2x) / 3x^2 as x approaches 0?
- theCandyman
- · Replies 3 ·
Homework help - Electric forces
- Lorax
- · Replies 8 ·
Calculating Work Done: 2.2kg Rock Twirled in Perfect Circle at 2.5m/s
- UrbanXrisis
- · Replies 7 ·
How do I find the velocity that an electron must acquire
- irony of truth
- · Replies 4 ·
How Does the Right Hand Rule Determine Magnetic Force Directions?
- agirlsrepublic
- · Replies 2 ·
What is the velocity of a ball on a frictionless curved track?
- boxcarracer767
- · Replies 4 ·
Solving Tricky Exponential Equations: Help Needed | 9^(x^2+1)=(27)^x (3)^2x
- aisha
- · Replies 7 ·
Solving Exponential Eqn: 4(2)^5x = sqrt(2)
- aisha
- · Replies 14 ·
ARGH this is giving me a headache
- schattenjaeger
- · Replies 2 ·
Solving Two Physics Problems: Weighing Rocks and Steel Barbells
- SnowOwl18
- · Replies 3 ·
What is the angular momentum of the moon orbiting an Earth-like planet?
- NX805
- · Replies 2 ·
Solving Heat and Energy Problems for Monatomic Ideal Gas | Expert Tips
- BlackMamba
- · Replies 2 ·
Learning Thermodynamics: Module Self-Assessment Quiz
- PhysicsNovice
- · Replies 6 ·
Don't understand by the arrangement of the capacitors in the diagram.
- Sanosuke Sagara
- · Replies 6 ·
Calculating Induced EMF in a Conducting Loop with Changing Magnetic Field
- Moore65
- · Replies 2 ·
Sound wave questinos my tutor couldnt even figure out
- HobieDude16
- · Replies 4 ·
Optimizing Friction for Moving Sand: What Angle Should the Cable Be?
- king_naeem
- · Replies 5 ·
Calculating Average Force on a Tennis Ball During a Serve
- Rapta3
- · Replies 9 ·
Find dx: Projecting Object at 100 m/s from 20-70°
- JWest
- · Replies 3 ·
How Do Phase Changes Affect Energy Calculations in Ethanol?
- nobb
- · Replies 2 ·
Proving Sum of Fractions with a=1: A Study Guide
- quasar987
- · Replies 2 ·
Simple Math: Simplifying (1-1/n) Sequences
- DivineNathicana
- · Replies 10 ·
Converting 2nd Order ODE to 1st Order ODE
- johnwalton84
- · Replies 4 ·
Need help with probability question
- ms. confused
- · Replies 3 ·
The Mysterious Name of the Integral Symbol: A Mystery Solved?
- ascky
- · Replies 7 ·
Efficient Air Duct Design for 121m^3 Room | Air Conditioning System Calculation
- SnowOwl18
- · Replies 3 ·
Can Running People at the Equator Change the Length of a Day?
- ousooner
- · Replies 2 ·
Microvolts over degrees->degrees over microvolts
- Mk
- · Replies 3 ·
How to Solve a Damped Harmonic Oscillator Problem?
- wannabeadoc05
- · Replies 3 ·
SHM with mass over pulley problem
- gaborfk
- · Replies 4 ·
Diffraction grating lines question
- Nylex
- · Replies 3 ·
Solving a Tricky Sum: Convergence of \sum_{n=1}^{\infty} a_{n}
- twoflower
- · Replies 13 ·