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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Calculating Electric Field Between Charged Particles
- jena
- · Replies 3 ·
How to Determine Final Temperature and Enthalpy Change During Vaporization?
- physicsCU
- · Replies 3 ·
Solving 1-D Motion Problem: Collision & Speed Calculation for Two Trains
- hb1
- · Replies 2 ·
Volume of Solid Revolution: Find x=2 Rotation
- ~angel~
- · Replies 12 ·
Simple Harmonic Motion-Finding the distance traveled by the vibrating object?
- insertnamehere
- · Replies 3 ·
Understanding Triboelectrics: Explaining the Transfer of Charge through Friction
- TheoehT
- · Replies 2 ·
Can You Solve This Challenging IITJEE Physics Problem in Under 30 Minutes?
- Nirav Chavda
- · Replies 2 ·
How Far Does the Bird Travel Between Two Trains?
- ViewtifulBeau
- · Replies 5 ·
Very basic physics (mechanics) question
- itzela
- · Replies 3 ·
Can Geometrical Optics Queries Be Shared More Effectively Than in ZIP Files?
- Sanosuke Sagara
- · Replies 1 ·
Calculus Limits: Verifying the Solution for (x+∆x)^2 - x^2 / x
- kendal12
- · Replies 3 ·
Is the Radius of Curvature of a Concave Mirror Always Positive?
- Sanosuke Sagara
- · Replies 1 ·
Can the Free Particle Wave Equation Be Solved for Periodic Boundary Conditions?
- sniffer
- · Replies 1 ·
Quick question regarding speed & constant acceleration
- NutriGrainKiller
- · Replies 3 ·
Can You Find an Irrational Number Between Two Rational Fractions?
- sitedesigner
- · Replies 3 ·
What is the pressure inside a submerged tube?
- mrjeffy321
- · Replies 2 ·
Force & Mass Calculations: An Introduction
- brandon1
- · Replies 13 ·
Can the logarithm of a prime number be rational?
- mattmns
- · Replies 4 ·
Total mechanical energy of a system
- erinbrattin
- · Replies 3 ·
Proton Vertical Displacement in Electric Field
- srhly
- · Replies 2 ·
Where Can I Find a Free Download of QuickBASIC 4.5?
- mewhoexactlywhat
- · Replies 5 ·
Separation Vector: Showing $\nabla(\frac{1}{||\vec{r}||})$
- Yeldar
- · Replies 3 ·
Stargate Atlantis/ pressure and fluids
- chris_p_2005
- · Replies 12 ·
Help With Assignment: Get Tutoring Now
- erinbrattin
- · Replies 1 ·
Help with Radians: Find Angles in Radians
- tenchick19
- · Replies 9 ·
Proving Convergence of an Infinite Series
- broegger
- · Replies 10 ·
Write f as piecewise defined function
- ludi_srbin
- · Replies 10 ·
Dimensional analysis universal gravitation
- suetonius
- · Replies 4 ·
What is the ratio V2/V1 of the volumes?
- tenchick19
- · Replies 1 ·
What is the Torque on a Hinged Door with a 30 N Force at 1.5 m Distance?
- erinbrattin
- · Replies 2 ·
Velocity of 50g Putty+50g Mass After Collision
- erinbrattin
- · Replies 2 ·
Solve Physics Problems: Moon Feather Drop, Bike Acceleration & Horse Gallop
- 4everYOURS
- · Replies 2 ·
Calculating 7^402 mod 1000 with Euler's Theorem
- pivoxa15
- · Replies 5 ·
Why is the Region of Convergence Important?
- EvLer
- · Replies 2 ·
Finding Height of Mountain Using Direction Cosines
- Uninspired
- · Replies 7 ·
Magnetic field intensity questions
- Steven-
- · Replies 5 ·
How many electrons are involved in a lightning flash
- Whatupdoc
- · Replies 3 ·
How do I find the integral of ln x?
- lsim16
- · Replies 7 ·
Problem in graph of Quadratic Equation
- Neha Sanghvi
- · Replies 1 ·
Integrating a second derivative-involving solution for Simple Harmonic Motion
- insertnamehere
- · Replies 3 ·
Vector Area Integration: Proving Properties
- Reshma
- · Replies 5 ·
How far did the car travel in that time?
- thschica
- · Replies 2 ·
Car slowing from given speed to rest in given time.
- thschica
- · Replies 1 ·
Conditional probability - Random number of dice
- Alexsandro
- · Replies 4 ·
How to Calculate Acceleration for a Stopping Sports Car
- thschica
- · Replies 8 ·
Calculating Cliff Height Using Acceleration Due to Gravity
- thschica
- · Replies 6 ·
Integrals and dirac delta function
- EvLer
- · Replies 4 ·
Does a CD's Outer Edge Spin Faster? Math Explained!
- Donna
- · Replies 3 ·
Build a Spaghetti Bridge - Holds 10-15kgs!
- liv
- · Replies 1 ·
What Do M and C Represent in Einstein's Equation E=MC^2?
- whatzzupboy
- · Replies 19 ·
Solving a Quadratic Equation: Find Real Values of 'p
- Solidmozza
- · Replies 3 ·
Questions about error treatment
- Freedom
- · Replies 4 ·
Solving a Homogeneous ODE: Step-by-Step Guide
- FeynmanIsMyHero
- · Replies 3 ·
Volume Question (Can someone check my work?)
- amcavoy
- · Replies 1 ·
Identifying Inconsistent Systems of Linear Equations with Gaussian Elimination
- Muzly
- · Replies 4 ·
Is This Airplane in Equilibrium During Horizontal Flight?
- lilkrazyrae
- · Replies 6 ·
How is power proportional to acceleration?
- hola
- · Replies 5 ·
How Do You Calculate the Direction of a Child Walking on a Moving Ship?
- Whatupdoc
- · Replies 1 ·
How Fast Is the Car Traveling When It Overtakes the Truck?
- courtrigrad
- · Replies 12 ·
Find the equation of the sphere
- Whatupdoc
- · Replies 2 ·
Solving Integral Trouble: \int ln(2x+1)dx
- laker88116
- · Replies 5 ·
Calculating Net Force of a Helium Balloon in Thermodynamics - Tips and Tricks
- physicsCU
- · Replies 2 ·
Laplace transform with abs value in exponential
- EvLer
- · Replies 3 ·
Calculating Position and Distance in Simple Harmonic Motion: A Case Study
- insertnamehere
- · Replies 4 ·
Vector analysis notation question
- Brad Barker
- · Replies 14 ·
Calculating Gravitational Pull: Earth-Moon Distance Percentage
- lilkrazyrae
- · Replies 9 ·
Application of non conventional energy
- aniket
- · Replies 2 ·
Graphing a parabola for a calculus problem
- hotrocks007
- · Replies 3 ·
How Do You Derive the Cartesian Equation from a Vector Function?
- gordda
- · Replies 4 ·
Loci Conics Parabola eqn in standard form
- aisha
- · Replies 11 ·
Help with Limit: Factorizing t / sqrt(4+t)-sqrt(4-t)
- sony
- · Replies 9 ·
Help with Integration Step in y'=1+0.01y^2 Problem - Expert Advice
- asdf1
- · Replies 3 ·
Proving Linear Independence of Non-Zero Rows in Row-Echelon Form
- Benny
- · Replies 3 ·
Solving ODE Confusion: x>0, y≠0
- Benny
- · Replies 2 ·
Uncovering the Mystery of Spinning CDs: Why the Edge Isn't Moving Faster
- Donna
- · Replies 6 ·
Train Distance Physics Problem: How Far Does the Eagle Fly?
- Salman
- · Replies 11 ·
Thermometer measures the amount of infra-red radiation only
- primarygun
- · Replies 5 ·
Solving Exploding Question with Relativity
- asdf1
- · Replies 4 ·
How Many kN Are Equivalent to a Kg?
- lilkrazyrae
- · Replies 3 ·
What are the basics of physics regarding displacement, velocity, and time?
- roger
- · Replies 6 ·
Estimating Diameter of an Oil Slick with One Liter of Spilled Oil on a Lake
- mlowery
- · Replies 2 ·
Projectile motion via a spring (well, actually, rubber bands )
- caddyguy109
- · Replies 12 ·
Where on the X-axis is the Net Force Zero for Charges -5q and +3q?
- echau
- · Replies 11 ·
Elecric charge and electric field
- jena
- · Replies 6 ·
Definition of a Continuous Functions
- Oxymoron
- · Replies 5 ·
Relativity Q: Dick & Jane Twins - Signals Received?
- asdf1
- · Replies 3 ·
Acceleration and relativity question
- asdf1
- · Replies 3 ·
Solving Complex Number Problems: Find b and d Using an Argand Diagram
- coffeebeans
- · Replies 6 ·
Is There a Dirac Delta Function in the Curl of \( r^n \hat{r} \)?
- Reshma
- · Replies 6 ·
Solve 99^99 congruent to (mod 47) using Fermat's Theorem
- pivoxa15
- · Replies 5 ·
Polar Form of 6x^2 + 3xy + 6y^2 = -3 | 4 Answers
- TonyC
- · Replies 2 ·
Capacitor in Circuit: Charging Globe & Dimming Light
- forevermoreOC
- · Replies 7 ·
Brightness of Mars as observed from earth.
- teh_game
- · Replies 7 ·
What is the significance of the conjugate eigenvalues in a quantum Hamiltonian?
- eljose
- · Replies 5 ·
Calculating the Closest Distance of a Proton from an Infinite Line of Charge
- Ivegottheskill
- · Replies 4 ·
Why Might Graphs and Textbook Answers Differ on Function Ranges?
- Jacobpm64
- · Replies 11 ·
What is the Dot Product of Unit Vectors in Vector Projection?
- teknodude
- · Replies 2 ·
Laplace transform of complex exponential
- EvLer
- · Replies 2 ·
How Do You Solve These Challenging Physics Problems?
- TJ the Tornado
- · Replies 2 ·
Help Please someone must be able to solve this problem.
- zoe7777
- · Replies 2 ·