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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Jet Plane Acceleration: 400 m/s in 4.0 km
- oldunion
- · Replies 6 ·
Electric Current - What Am I Doing Wrong?
- evilempire
- · Replies 12 ·
Trig Question #2: Confused? Let Us Help | Math 120 Synthesizer PDF"
- ziddy83
- · Replies 5 ·
Understanding Stochastic Calculus and Expected Value Formulas
- courtrigrad
- · Replies 2 ·
How do I solve a system of equations with multiple unknowns?
- ProBasket
- · Replies 4 ·
Find Acceleration of Wedge & Mass on Incline | Incline Problem Solution
- fresh
- · Replies 2 ·
Coulomb's Law Problem and charged particles
- bbbbbev
- · Replies 2 ·
Couple of quick combination questions
- Townsend
- · Replies 3 ·
How can I handle the possibility of x = 0 in solving systems of quadratics?
- b_ball_chic
- · Replies 2 ·
Understanding the Mean Value Theorem in Calculus
- courtrigrad
- · Replies 4 ·
How Can the Mean Value Theorem Prove the Derivative of an Indefinite Integral?
- courtrigrad
- · Replies 10 ·
Finding Solutions for Systems of Quadratic Equations
- b_ball_chic
- · Replies 4 ·
Determine the actual depth of the shaft to the nearest metre
- kingyof2thejring
- · Replies 12 ·
How Does Poisson Distribution Estimate Flaws in a 40 Square Foot Metal Sheet?
- semidevil
- · Replies 2 ·
Charge to mass ratio of an electron shot through a cathode-ray oscilloscope
- jordanl122
- · Replies 2 ·
Time of Bomb Dropped from 2000m: Calculation
- hype_chicky
- · Replies 3 ·
System of particles - find energy
- kingyof2thejring
- · Replies 4 ·
Find Inverse of -3x^2+6x+2 - TiA
- preet
- · Replies 8 ·
Solving Timescales Physics Problems: Timesteps and Normal Distribution Analysis
- courtrigrad
- · Replies 3 ·
What is the coefficient of static friction between the ladderand the f
- Link
- · Replies 2 ·
Tip to tail vertor diagram using pythagorian theorem?
- Gogsey
- · Replies 8 ·
How Do You Calculate Wave Speed with Wavelength and Frequency?
- Teekie
- · Replies 2 ·
Solving (x-6)(x+7)/(x-2) ≥ 0 & log(base 3)x + log(base 3)(x-6) = 3
- Help_Me_Please
- · Replies 2 ·
Calculating Resultant Velocity with Vector Diagrams
- Gogsey
- · Replies 4 ·
Discrete Math Help: Is x Rational?
- SpatialVacancy
- · Replies 3 ·
Insufficient Data: Calculating Orbital Energy Gain
- Parth Dave
- · Replies 5 ·
How do you represent a dependent current source in a parallel circuit using KCL?
- DaVinci
- · Replies 2 ·
What Is an Example of an Ambiguous Integral Due to Cancellation of Areas?
- chjopl
- · Replies 2 ·
What Are Some Engaging Topics in Physics for a School Research Project?
- Pad
- · Replies 2 ·
Why is there no electric field inside a hollow cylinder?
- garytse86
- · Replies 2 ·
Project: Hydraulic Jump or Ball Spin
- ponjavic
- · Replies 2 ·
Calculating Magnetic Field Between Parallel Wires with Opposing Currents
- Parth Dave
- · Replies 2 ·
AZINGLY, How Does Energy Transform and Why?
- whatzzupboy
- · Replies 5 ·
Explicit Formula for the nth Fibonacci Number
- DivGradCurl
- · Replies 12 ·
A physics question with simple harmonic motion
- Wooh
- · Replies 2 ·
Are Focal Radii Equal to 2a in an Ellipse?
- xLaser
- · Replies 2 ·
Does Coulomb's Law Also Govern Magnetic Forces?
- markm
- · Replies 2 ·
What Is the Minimum Deceleration Needed to Avoid an Accident?
- pedro
- · Replies 2 ·
Sound when a droplet of water or other liquid falls on a hot surface
- Kikki
- · Replies 2 ·
Find Coefficient of X^5 in (3x^3 - 1/x^2)^10
- footprints
- · Replies 10 ·
Please explain use of Heine in proof of simple theorem
- twoflower
- · Replies 3 ·
Why Light is Considered a Wave: Understanding the Phenomenon
- whatzzupboy
- · Replies 2 ·
Power rule and product rule problem
- footprints
- · Replies 5 ·
How to find orthogonal vectors?
- meteorologist1
- · Replies 7 ·
Seeking help for vector problem
- Kp0684
- · Replies 2 ·
Word Problem. Am I wrong, or is my Algebra book?
- BenDamo
- · Replies 3 ·
Estimating Number of Stars in Milky Way Galaxy: Kepler Problem Solution
- CinderBlockFist
- · Replies 2 ·
Calculating Altitude of Synchronous Orbit on Rotating Pluto
- CinderBlockFist
- · Replies 6 ·
How to Calculate Total Elastic Potential Energy in a Spring System?
- Zurtex
- · Replies 7 ·
How High Will a Projectile Go if Fired at 8.2 km/s from Earth?
- CinderBlockFist
- · Replies 18 ·
How Do You Calculate the Mass of a Pulley in a Physics Problem?
- theknownothing
- · Replies 3 ·
Calculating Probabilities for Job Bidding: V and W Firms
- phy
- · Replies 2 ·
Physics problem, why is my answer wrong? HELPPP
- CinderBlockFist
- · Replies 10 ·
Relative Motion of a football player
- nineeyes
- · Replies 2 ·
Solving 1D Infinite Well: Momentum Problem & Heisenberg Uncertainty
- Hyperreality
- · Replies 2 ·
Maximizing Heat Engine Efficiency: How to Find the Optimum Performance
- Haftred
- · Replies 2 ·
How Do You Calculate the Magnetic Field in a Cylindrical Conductor?
- wisper
- · Replies 5 ·
Calculating Work in an Adiabatic Process for a Diatomic Gas
- sisigsarap
- · Replies 4 ·
Calculating the Height of a Tower Using Projectile Motion
- Kp0684
- · Replies 4 ·
Terminology Question (drawing a vector triangle)
- DLxX
- · Replies 2 ·
Need some help with forces of changed particles (coulomb's Law)
- neonerd
- · Replies 3 ·
Finding x(t) with Given Coefficients
- Goalie_Ca
- · Replies 2 ·
Diff Eq and the Dirac Delta(impulse) function.
- faust9
- · Replies 7 ·
Rolling Ring on Inclined Plane: How Far Up?
- skiboka33
- · Replies 2 ·
Calculating the Acceleration and Kinetic Energy of a Proton in an Electric Field
- gratefuldreamer
- · Replies 2 ·
Quick Thermal Dynamics Question
- benji
- · Replies 2 ·
Optimizing Demand Function: Find Units Sold & Price Per Unit | Help Needed
- JBauer
- · Replies 2 ·
How Do You Determine Maximum Acceleration from a Velocity-Time Graph?
- ProBasket
- · Replies 4 ·
Max Height & Time In Air of Ball Thrown Upward from 25m
- sp00ky
- · Replies 2 ·
Conservation of momentum formula
- Gogsey
- · Replies 4 ·
Impulse and Momentum Question: Dont get what Im doing wrong
- DLxX
- · Replies 7 ·
Solving Spring AB Equilibrium Position for Mass 5 kg
- kingyof2thejring
- · Replies 8 ·
Solving for time and displacement
- Tabe
- · Replies 2 ·
What is the minimum number of items to manufacture for the lowest unit cost?
- thomasrules
- · Replies 8 ·
How do you graph an integral of f(x) = x?
- courtrigrad
- · Replies 3 ·
Electromagnetism homework question
- gillgill
- · Replies 1 ·
Integral Involving Irrational values
- courtrigrad
- · Replies 3 ·
What Is the Intermediate Value in the Mean Value Theorem for These Integrals?
- courtrigrad
- · Replies 2 ·
Internal energy of gas homework
- Kawrae
- · Replies 2 ·
Finding the inside angle using trigonometry
- Matt.D
- · Replies 4 ·
Solving Momentum & Impulse for Particles A, B & C
- kingyof2thejring
- · Replies 3 ·
ACOBI ITERATION How do Jacobi iterations work in linear algebra?
- EvLer
- · Replies 8 ·
What amount of heat should be transferred to the gas
- jbot2222
- · Replies 4 ·
An EASY work and energy problem. Is my answer correct?
- DLxX
- · Replies 8 ·
What are the Maximum and Minimum Values of the Function s(t) = 1+2t-8/(t^2+1)?
- thomasrules
- · Replies 2 ·
Coulombs Law with one unknown charge
- FrogPad
- · Replies 6 ·
Physics Questions - Electric Fields, Electric Potential, etc
- alexman
- · Replies 3 ·
Help in sound question and reflection question
- the_little_guy
- · Replies 10 ·
How Do You Set Up Indefinite Integrals for Different Functions?
- courtrigrad
- · Replies 15 ·
How Do You Solve Complex Algebra Problems for Pre-Exam Preparation?
- fasterthanjoao
- · Replies 2 ·
What is the Mass of a Proton?
- hype_chicky
- · Replies 12 ·
How Do You Correctly Solve This Definite Integral Problem?
- courtrigrad
- · Replies 7 ·
How to Evaluate Integrals Using the Definite Integral Properties
- courtrigrad
- · Replies 18 ·
Projectile Motion Problem This problem is completely evading me.
- Physics_Hates_Me
- · Replies 4 ·
Mid-term tomorrow, need some checking of answers of review packet
- Kira
- · Replies 8 ·
A system with varying mass - two long barges
- Eus
- · Replies 7 ·
Calculating the Cost of Climbing Stairs: $4.75?
- extreme
- · Replies 3 ·
Calculate Momentum of Photon and Number of Photons Needed to Stop Li Atom
- stunner5000pt
- · Replies 6 ·
Calculate Decibel Intensity Ratio: 44 dB vs. 32 dB - Urgent Help Needed
- mayaa
- · Replies 5 ·