Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Rail Gun physics, need assistance
- Yapper
- · Replies 9 ·
Proving Every Student at School Has Even Number of Friends
- Pandaren
- · Replies 2 ·
Conical Pendulum, Mass and Period
- deanchhsw
- · Replies 2 ·
What is the equation for tension in a string?
- The Sword 88
- · Replies 2 ·
Calculating Safety of Lifting Steel Beam at 3m/s
- rcgerrity
- · Replies 2 ·
Proving Kineric Energy with Force and Distance
- rcgerrity
- · Replies 5 ·
Is Momentum the Same as Potential Energy?
- UrbanXrisis
- · Replies 7 ·
Can Schrodinger's Equation be Simplified for Faster Transformation?
- Raparicio
- · Replies 11 ·
Question regarding mutual inductance of two coil
- Sanosuke Sagara
- · Replies 5 ·
Solving a Gas Pressure Problem: Finding the Temperature Increase
- Jimsac
- · Replies 8 ·
Completing the Square: x^2+2x+5 is Always Positive
- Mo
- · Replies 3 ·
How to Find the Normal Vector for a Plane Perpendicular to Another?
- eme_girl
- · Replies 4 ·
Proving Right Angle Using Cartesian Coordinates
- UrbanXrisis
- · Replies 13 ·
Word Problems(might involve factoring)
- Hardeep
- · Replies 8 ·
What Determines the Speed of the Second Puck After a Collision?
- Tabe
- · Replies 2 ·
Photoelectric effect and wavelengths
- punjabi_monster
- · Replies 4 ·
How Does Pipe Width Affect Water Flow and Speed?
- Fanny Tan
- · Replies 4 ·
Does Tension Force Do Work on a Pendulum Bob?
- Help_Me_Please
- · Replies 4 ·
I am in 8th grade and I am stuck on a simple physics question
- rjash10
- · Replies 12 ·
Approximate K and 'u' values| HELP
- dekoi
- · Replies 4 ·
Help with Introduction for Lab Report on Potential Energy
- Help_Me_Please
- · Replies 4 ·
How Do You Calculate Marginal Revenue for Maximum Bus Fare Efficiency?
- salemchic05
- · Replies 2 ·
How can I find te integral of root(x*x+x+1)
- Tengo
- · Replies 3 ·
Fish Pond Population Growth: Is a Constant?
- Chaotic Boredom
- · Replies 5 ·
Find the Minimum Mass to Turn a 36 KG Round Table Over
- Jacob87411
- · Replies 2 ·
Evaluating integral born approximation
- yxgao
- · Replies 4 ·
Finding Force Exerted by String on Inclined Planes
- VietDao29
- · Replies 7 ·
Find Solutions for Math Equations: Pretrig/Calc Review
- kahi
- · Replies 6 ·
Can dental floss reduce friction in physics experiments?
- Aki
- · Replies 4 ·
Compressed Air Car: Moving 70kg Person w/ 135 PSI Tank
- Unknown2x
- · Replies 2 ·
Calculate Work Done by Gas in 5L Container
- summergrl
- · Replies 4 ·
Cotangent function integration problem
- Benny
- · Replies 2 ·
Whats wrong with this torque set up
- Jacob87411
- · Replies 2 ·
Grade 12 Physics: Tension Formulas & Static Equilibrium
- Noin
- · Replies 3 ·
What Is the Relationship Between Constant Velocity, Force, and Work?
- Ret_24
- · Replies 3 ·
Solve for X: Domain 0<x<2pi | Tan4X - Tan2X = 0 | Need Math Help?
- xLaser
- · Replies 4 ·
Solving Linear Recurrence: ax_k+1 + bx_k + c
- Parth Dave
- · Replies 2 ·
How to Begin Differentiating Products with x^2(x+1)(x-2)^7?
- footprints
- · Replies 6 ·
Simple Harmonic(Quantum) Oscillator
- Hyperreality
- · Replies 2 ·
Set Theory Proof: A vs. B-C vs. C
- courtrigrad
- · Replies 4 ·
This problem confuses mecan anyone give me an idea on how to do this problem
- metz143
- · Replies 2 ·
What Are the Possible Spin States After Particle Decay in Quantum Mechanics?
- yxgao
- · Replies 2 ·
Did I Transform This Equation Correctly?
- aisha
- · Replies 2 ·
How can I build a simple and cost-effective wind power generator?
- an_mui
- · Replies 3 ·
This is incredibly hard for Grade 12 homework
- Catalyst
- · Replies 7 ·
Relationship between spacetime, acceleration, and gravity?
- uchihajeff
- · Replies 3 ·
Product of Two Terms: Determinant Evaluation and Vanishing Values in Terms of p
- Nylex
- · Replies 2 ·
Quantum mech question - hydrogen help?
- yxgao
- · Replies 2 ·
Tangent Galvanometer and others
- coldfusion
- · Replies 2 ·
Calculating the Length of a Segment Joining Centers of Inscribed Circles
- Chikawakajones
- · Replies 14 ·
Sum of Series with Prime Factors 2 and 3 | Reciprocal Positive Integers
- DivGradCurl
- · Replies 9 ·
Coordinate Geometry: Solving a Question for 0P
- Mo
- · Replies 2 ·
How Can I Maximize the Distance of a Cart Powered by Two Elastic Bands?
- xtraxxl
- · Replies 6 ·
Checking Rewritten Equation for y=-3f(-2x+4)+5
- aisha
- · Replies 2 ·
Correcting for the Moon's gravity
- Andrew Mason
- · Replies 5 ·
Is it possible for the median to equal the stddev?
- ktpr2
- · Replies 3 ·
Pressure law (how they combined to get pv/t)
- Mo
- · Replies 4 ·
HELP FAST y^(2)=x+1 IS THIS A FUNCTION?
- aisha
- · Replies 11 ·
Potential Theory: Study Caracteristics of Formula
- Raparicio
- · Replies 3 ·
Calculating Arc Length for a Circling Airplane
- DethRose
- · Replies 7 ·
Does Friction Cause Centripetal Force in Circular Bicycling?
- Clari
- · Replies 9 ·
Proving John Machin's Formula for Arctan Difference
- DivGradCurl
- · Replies 4 ·
Calculating Magnus Effect in Long Range Artillery
- Henk
- · Replies 14 ·
How Do You Simplify Logarithmic and Exponential Equations?
- 01
- · Replies 9 ·
How Do You Model a House Structure Using Mathematical Equations?
- aisha
- · Replies 11 ·
(-3,-6) is a point on y=f(x) determine a point on the graph y=3 abs(f(x))+1
- aisha
- · Replies 4 ·
Solving a Triangle with the Cosine Law: Help!
- aisha
- · Replies 6 ·
Derivatives of Log and Exponential Functions
- majinknight
- · Replies 6 ·
Kinetic Energy: .00020kg Bullet vs 6.4 x 10^7 kg Ocean Liner
- Jimsac
- · Replies 2 ·
Question on Function: y=3x^2 -1/x^3
- majinknight
- · Replies 2 ·
Turing Programming: Solve Cos Inverse Function
- eax
- · Replies 8 ·
A little inverse help cube root
- aisha
- · Replies 11 ·
Does the half-life of a radioactive element stay the same?
- UrbanXrisis
- · Replies 3 ·
Prove Sum of Elements in Every Row A-1 = 1 if Sum of Elements in Every Row A = 1
- Chen
- · Replies 10 ·
Right angle triangle trigonometry
- aisha
- · Replies 4 ·
Tension of a rope holding a platform and a person
- Elphaba
- · Replies 3 ·
Graphing calculator find an eqn?
- aisha
- · Replies 10 ·
Determining Coefficients of Friction
- Elphaba
- · Replies 4 ·
The Electric Field Strength of a Proton Accelerated at 1 Million g
- joej
- · Replies 3 ·
How Do You Calculate the Tension in the Top Rope of a Hanging Stoplight System?
- psycovic23
- · Replies 2 ·
How Do Changes in Location Affect Circular Motion and Weight?
- Clari
- · Replies 2 ·
Find Angular Position of Particle in Vertical Circle Motion
- Clari
- · Replies 10 ·
Understanding Binomial Theorem: How to Expand (a+b)^n
- roger
- · Replies 6 ·
How Does Wind Speed Affect Roof Pressure and Force Calculation?
- stormnebula
- · Replies 2 ·
What Is the Impulse Delivered to a Ball Hit by a Bat?
- UrbanXrisis
- · Replies 11 ·
Easy: given theta, uncertainity on cos(theta)
- thegame
- · Replies 5 ·
Uniform Circular Motion problem
- Unknown2x
- · Replies 2 ·
Electromagnetic induction and conducting rods
- apchemstudent
- · Replies 4 ·
Using the law of conservation of kinetic energy
- Moe_the_Genius
- · Replies 2 ·
Is -3 + 1/2x the Correct Inverse of 1/(2x+6)?
- aisha
- · Replies 6 ·
Supplementary Angles for Spherical Trigonometry
- jaycob1997
- · Replies 4 ·
Determining the Inverse of 1/(-3y+9): x≠3
- aisha
- · Replies 10 ·
Transform f(x)=x^2 to y=2f(-1/2(x+5))-3
- aisha
- · Replies 5 ·
American artificial planet Pioneer IV
- roger
- · Replies 2 ·
Double Integral of f(x,y) in a Triangle Domain
- quasar987
- · Replies 2 ·
Taylor Expansion for Large R: Showing V Approximates $\frac{\pi a^2 \sigma}{R}$
- quasar987
- · Replies 6 ·
Finding the Zeros of f(x)=e^xsin(x) on [0,2π]
- UrbanXrisis
- · Replies 8 ·