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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Solve for Equal & Opposite Fahrenheit & Celsius Temperatures
- Imparcticle
- · Replies 4 ·
Calculating Surface Charge Density in a Uniform Electric Field
- stunner5000pt
- · Replies 1 ·
Why Does a Pebble Fly Off a Rolling Wheel if Its Speed Exceeds sqrt(Rg)?
- asdf60
- · Replies 2 ·
Does the acceleration due to gravity ever change?
- jacy
- · Replies 1 ·
Newton's 2nd Law and Orbital Motion
- runevxii
- · Replies 3 ·
Are These Statements About Limits True?
- vbplaya
- · Replies 2 ·
Is R^+ a Vector Space with Non-Standard Operations?
- mpm
- · Replies 1 ·
Proving the Existence of Limit Points through Convergence of Sequences
- *melinda*
- · Replies 2 ·
Maximizing Dog Pen Area: Help Mrs. Star Find the Best Solution!
- minase
- · Replies 1 ·
The Parabola Opening Up and Merging Roots
- discombobulated
- · Replies 13 ·
Surviving a Car Crash with Airbag Deployment: Calculating Stopping Distance
- courtrigrad
- · Replies 4 ·
Understanding the Math Behind Hawking Radiation
- mgiddy911
- · Replies 3 ·
Solve Friction Problems: 3.00 kg Crate on 35° Incline
- 404
- · Replies 2 ·
Struggling with a Physics Problem: Calculating Meson Velocities
- blag
- · Replies 1 ·
Unit Tangent Vectors for Position Vectors: Finding T(t) for Given Values of t
- weckod
- · Replies 5 ·
Normal Force: When is mg not Enough?
- grief
- · Replies 4 ·
Dopper Effect in Special Relativity
- yukcream
- · Replies 3 ·
The Gravitational Force (between two spherical objects)
- princess7115
- · Replies 6 ·
Tangent line to a particles path at a specific time?
- badtwistoffate
- · Replies 3 ·
Is it Logical to Have Both dp/dq and dq/dp in the Same Formula?
- Castilla
- · Replies 2 ·
Physics-Conservation of Momentum
- guit_666
- · Replies 10 ·
Is Your Calculation of Average Velocity Correct?
- badtwistoffate
- · Replies 7 ·
Can Geometric Optics Help Solve These Light Refraction Problems?
- Mr_Fluffykins
- · Replies 5 ·
Stuck on a Mustang Mod Project: What Should I Do Next?
- Pepsi24chevy
- · Replies 1 ·
Tips/Strategys for succeeding in calc based physics and calc 2?
- badtwistoffate
- · Replies 1 ·
Is filling a football with helium really beneficial for hang time?
- bijanv
- · Replies 8 ·
Solving Liboff 5.33: Showing <E> \geq E_1 and Condition on \psi(x)
- quasar987
- · Replies 6 ·
How Does Collision Affect Car Velocity?
- tomwheeler87
- · Replies 3 ·
Nonequilibrium Applications of Newton's Laws of Motion
- princess7115
- · Replies 6 ·
Troubleshooting Semiconductor Problems: Calculating Ef - Ev at T=300K
- kizersi5
- · Replies 2 ·
Proving Limit of x^4 as x→p is p^4
- asdf60
- · Replies 4 ·
Static and Kinetic Frictional Forces
- princess7115
- · Replies 2 ·
Can a vector of magnitude zero have a nonzero component?
- confusedaboutphysics
- · Replies 6 ·
Forces & Vectors: Tension in Steel Wire
- thomasrules
- · Replies 15 ·
Electric Fields: A couple of general questions
- DivGradCurl
- · Replies 1 ·
Converting from square to polar coordinants
- Bob19
- · Replies 2 ·
Solving a Differential Equation with L, R, E(t), and i(0) as Constants
- hola
- · Replies 6 ·
How Do You Calculate When a Star Reaches Its Highest Point Using Sidereal Time?
- Reugar
- · Replies 1 ·
Is T = T^-1 in Lorentz Transformations for 4 Vectors?
- yukcream
- · Replies 4 ·
Finding weights on other planets
- themadperseid
- · Replies 4 ·
Thermodynamics Question heat through a wall
- kdinser
- · Replies 1 ·
Force Formula: Find Out How to Calculate Force
- kizersi5
- · Replies 3 ·
Solving John and Mary's Handshake Problem
- andytran
- · Replies 2 ·
Answers to Questions on Work and Energy
- allstar1
- · Replies 12 ·
What Are Binomial Coefficients and How Are They Derived?
- Gale
- · Replies 4 ·
Ranking E field in equipotential surfaces, confused
- mr_coffee
- · Replies 1 ·
Can the Extended Euclidean Algorithm Solve Equations in Number Theory?
- Bob19
- · Replies 9 ·
Solving complex number equations
- deryk
- · Replies 5 ·
Find a vector equation for the line
- dagg3r
- · Replies 2 ·
Having Trouble with these 2 problems
- buck3y3nut
- · Replies 2 ·
Greatest commen divisor question
- Bob19
- · Replies 5 ·
How Does Piston Movement Affect Gas Compression in a Cylinder?
- thenewbosco
- · Replies 3 ·
E-Field Lines and Equipotential Surfaces
- F-Stop
- · Replies 2 ·
How to solve for f_n(x) in Stewart Calculus text's review section?
- Jeff Ford
- · Replies 4 ·
Thermodynamics maximum and minimum temperatures
- asdf1
- · Replies 2 ·
Still having problems with vectors
- confusedaboutphysics
- · Replies 5 ·
Solving the Integral of (4-x)√(4x-x²)
- Stevecgz
- · Replies 4 ·
Circular motion of a ferris wheel
- ledhead86
- · Replies 9 ·
Solving Projectile Problem for Physics Assignment
- garboui
- · Replies 3 ·
Calculating Work Required to Remove Dielectric Slab from Charged Capacitor
- srhly
- · Replies 1 ·
How Do You Solve the Inequality |x-8|<|2x+1|?
- Brady
- · Replies 8 ·
Is y=(x-c)^2 the Only Solution to the Differential Equation (y')^2=4y?
- schattenjaeger
- · Replies 1 ·
Is a Vector e=(0,1) a Basis in R^2?
- sibiryk
- · Replies 2 ·
Radius Ratio of Crystal: Interstitial vs Large Atom
- asdf1
- · Replies 4 ·
How Do Nurses Calculate the Weight of a Patient Using Newtons?
- themadperseid
- · Replies 3 ·
Need help with simple position and velocity problems
- Pepsi24chevy
- · Replies 3 ·
Net Ionic Equations verification
- Pengwuino
- · Replies 8 ·
Efficiency of a 265W Motor at 4.30A from 120V Line | Energy Usage in 1.50 Hours
- aMo0oDi
- · Replies 4 ·
Solving a Series Convergence Problem: Can You Help?
- Benny
- · Replies 3 ·
Freight Car Velocity: Newton's 1st Law Explained
- mini_mia
- · Replies 3 ·
Implicit Differentiatoin question
- compute_a_nerd
- · Replies 2 ·
How Can I Solve ∫[6/(x^2+3)^2] Using Substitution?
- badtwistoffate
- · Replies 3 ·
Analytical mechanics/vectorshelp
- fahd
- · Replies 1 ·
Which Surface Does X=cos(t), Y=sin(t), Z=t Lie On?
- weckod
- · Replies 3 ·
Calculating Force Needed to Accelerate a 7.00g Pellet from Rest to 175 m/s
- airelemental135
- · Replies 1 ·
Acceleration, friction, pulleys
- jshaner858
- · Replies 3 ·
Interest rate comparison trouble
- yamashek
- · Replies 4 ·
Showing something is not a function
- mattmns
- · Replies 13 ·
How Do You Solve 4x^2 - e^x = 0 Using Numerical Methods?
- stunner5000pt
- · Replies 1 ·
Calculating Forces and Acceleration in Motion Problems
- airelemental135
- · Replies 13 ·
How Can Algebraic Definitions Help with Proving Things?
- Gale
- · Replies 7 ·
Numerical Methods: Calculate 4/5 + 1/3
- stunner5000pt
- · Replies 1 ·
Will the Cannonball Clear the Cliff at 25 Meters High?
- ledhead86
- · Replies 1 ·
Physics Homework Help: Solving a Cliff Height Problem in 3.4 Seconds
- MC363A
- · Replies 3 ·
Solving the EMF Problem: Cross Sectional Area, Number of Turns & Revolutions/s
- Pepsi24chevy
- · Replies 2 ·
Solving Newton's Methods: F=ma, v=at+v_0, T=ma
- Effitol840
- · Replies 6 ·
How Do You Balance Complex Redox Equations with Multiple Oxidation Changes?
- dajugganaut
- · Replies 1 ·
An ordered field in which N is bounded.
- StonedPanda
- · Replies 7 ·
Satellite, magnitude/acceleration problem
- tennisman03110
- · Replies 2 ·
Elevator acceleration with mass
- tennisman03110
- · Replies 5 ·
Need help understanding this problem
- confusedaboutphysics
- · Replies 7 ·
What Were the Key Physics Discoveries in 2005?
- adver
- · Replies 1 ·
How Many Moles of Ions Are in These Aqueous Solutions?
- courtrigrad
- · Replies 6 ·
Why Does Implicit Differentiation Give Contradictory Results for u_z?
- Icebreaker
- · Replies 1 ·
Learn How to Solve Acceleration Due to Gravity Questions with Ease
- F.B
- · Replies 2 ·
Solve Time Delay Equations: Derive (6) and (7) from Mackey-Glass
- bor0000
- · Replies 4 ·
Calculating Outward Normal Vector on Frictionless Ramp Inclined θ Degrees
- amcavoy
- · Replies 2 ·