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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Finding acceleration when pulling a suitcase at an angle
- Kdawg
- · Replies 4 ·
What Determines the Vertical Fall of a Yo-yo in a Frictionless Environment?
- Feynmanfan
- · Replies 16 ·
Work and friction in a mass-spring launcher
- WillP
- · Replies 2 ·
Differentiation and Integration questions
- Sombra
- · Replies 5 ·
Tension on each side of scaffold with window washer
- Kdawg
- · Replies 7 ·
Efficiency of a power driven car
- ponjavic
- · Replies 6 ·
Incandescent Light Double Slit Experiment -Will Interference Occur?
- josephcollins
- · Replies 2 ·
How Far Does a Moving Electron Get From a Fixed Electron When It Stops?
- salman_upright
- · Replies 8 ·
Is G a Cyclic Group of Prime Order?
- semidevil
- · Replies 2 ·
Simpler way to solve differential equation for initial value problem?
- kreil
- · Replies 3 ·
Who's using masteringphysics.com here?
- iamhumble
- · Replies 21 ·
What is the different between filled rapidly and filled slowly?
- rei
- · Replies 2 ·
Friction-less speed physics problem
- tthaitanium
- · Replies 5 ·
Proving Spring's Total Constant: 2k/3
- joy
- · Replies 3 ·
Calculating Satellite Orbit Height: A Challenge
- Link
- · Replies 2 ·
Fundamental frequence of violin string
- yellowmanjuu
- · Replies 2 ·
Sphere rolling up an incline then back down
- shizzle
- · Replies 7 ·
Making numbers 1-50 from 2,5,1,2
- tunesurfer
- · Replies 17 ·
Can You Calculate Torque on an Anemometer Based on Wind Speed and Dimensions?
- ponjavic
- · Replies 2 ·
How Do Zero-Dimensional Points Form One-Dimensional Lines?
- roger
- · Replies 2 ·
Kinetic Theory of Gases Problem
- ucdawg12
- · Replies 2 ·
Torque on a rectangular coil in a magnetic field
- Sanosuke Sagara
- · Replies 2 ·
How Does Friction Affect the Work Done in a Closed Loop?
- UrbanXrisis
- · Replies 11 ·
More quantum mechanics nightmare
- jsundberg
- · Replies 13 ·
Powered by the Wind: A School Project Car
- ponjavic
- · Replies 2 ·
Give 70J as heat to a diatomic gas
- cardguy1000
- · Replies 2 ·
Finding sound source distance from intensity at two points
- tmkgemini
- · Replies 2 ·
Work and conservation of energy
- jbot2222
- · Replies 2 ·
Acceleration of the car if the max tension can be 8000N
- iamgod21
- · Replies 5 ·
Why does a uniformly charged sphere that oscillates not radiate power?
- yxgao
- · Replies 10 ·
How is a credit card number coded for security?
- aisha
- · Replies 20 ·
Using the Chinese Remainder Theorem to Solve Systems of Linear Congruences
- oliver$
- · Replies 4 ·
Calculating Sound Level Increase in a Work Environment: A Machinist's Dilemma
- tmkgemini
- · Replies 2 ·
AP Physics-Temperature and Heat
- salemchic05
- · Replies 2 ·
Calculus - Derivative question
- apchemstudent
- · Replies 10 ·
How does relativity affect the Lyman line and its observed wavelength?
- yxgao
- · Replies 4 ·
Calculating Final Speed of a 120kg Crate on a Frictionless and Frictional Floor
- psycovic23
- · Replies 4 ·
Speed and time for a projectile fired at 40 degrees over 20 miles
- Kyrrus
- · Replies 18 ·
Probability: Getting Sum of 8 vs Sum of 7 with 2 Dice
- semidevil
- · Replies 4 ·
Find the volume of a described solid
- Physicsisfun2005
- · Replies 1 ·
Graphite and it's application in batteries.
- Padford
- · Replies 2 ·
Find Distance Compressed by Spring w/ Kinetic Friction
- senseandsanity
- · Replies 2 ·
X's expectation value in quantum physics
- Palindrom
- · Replies 2 ·
Vexing equations of motion problem
- faust9
- · Replies 2 ·
Integrating tan^2(u)(sec(u))du: Is There a Clean Way?
- daveed
- · Replies 2 ·
Finding the Derivative of pV=3600 with p=40
- footprints
- · Replies 7 ·
How Do I Find the Gradient of y=\frac{5x-4}{x^2} at the X-Axis Crossing?
- footprints
- · Replies 10 ·
Is mechanical energy conservative?
- UrbanXrisis
- · Replies 4 ·
Integrating Force: Understanding \oint and \int
- UrbanXrisis
- · Replies 3 ·
How Do You Approach the Limit of π/2 Using Trigonometric Functions?
- twoflower
- · Replies 2 ·
Factorizing a Cubic Equation: How Do I Solve (x-1)(2x-1)(3x-1) = 0?
- Mo
- · Replies 4 ·
Centripetal acceleration of Earth around Sun?
- psycovic23
- · Replies 6 ·
Forces and power for two blocks lifted at different speeds
- Phyzix
- · Replies 8 ·
Help with Physics Homework Problem - A Hoop & Disk
- rubykristal
- · Replies 12 ·
Calculating Well Depth: Solving for Standing Sound Waves at 48, 80, and 112 Hz
- Angie913
- · Replies 2 ·
Equilibrium and Rotational Motion
- Soaring Crane
- · Replies 2 ·
Calculate momentum and velocity of ball after collision
- IGeekbot
- · Replies 38 ·
What Is the Correct Approach to Calculate Enthalpy of Vaporization?
- stunner5000pt
- · Replies 2 ·
Electrochemical Cells Experiment will it work?
- Colby
- · Replies 2 ·
Why does a rolling cylinder have the same speed on 30° and 60° inclines?
- Soaring Crane
- · Replies 2 ·
Is the above relation a function?
- aisha
- · Replies 2 ·
How does inserting a dielectric affect the energy stored in a capacitor?
- Xamfy19
- · Replies 2 ·
Finding the inverse of f(x) = -1/7x - 14
- aisha
- · Replies 8 ·
Final Velocity of Two Objects After Collision
- km
- · Replies 11 ·
Reading f(2), f(-2), f^-1(0), f^-1(2) from a parabola graph
- aisha
- · Replies 4 ·
Is the Inverse of f(x) a Function?
- aisha
- · Replies 6 ·
Why do f(f⁻¹(x)) and f⁻¹(f(x)) both equal x?
- aisha
- · Replies 8 ·
Understanding Activity Series: A Simple Explanation
- Raza
- · Replies 5 ·
How far will a box slide with a given push and coefficient of kinetic friction?
- psycovic23
- · Replies 6 ·
Understanding Asymptotes and Polynomials in Pre-Calculus
- HawKMX2004
- · Replies 5 ·
Calculating the mole of electrons form the current
- bross7
- · Replies 2 ·
What is the tension of each wire?
- tthaitanium
- · Replies 2 ·
Calculate Extra Gasoline in kg with Density and Expansion Rates
- cutegirl1980
- · Replies 2 ·
How Does Pressure and Temperature Affect an Air Bubble's Volume at Sea Depth?
- cutegirl1980
- · Replies 2 ·
Air film thicknesses for constructive interference in water
- pnazari
- · Replies 2 ·
How Do You Solve for x1 and x2 Using Reduced Row Echelon Form?
- zekester
- · Replies 2 ·
Three max-min problems: fencing, train fares, and cylinder cost
- courtrigrad
- · Replies 4 ·
Spot Size on Moon from Earth Laser Beam
- nannygreen
- · Replies 2 ·
Square detector counting particles from offset point source
- yxgao
- · Replies 5 ·
Solving Momentum and Impulse for Mass Dropped from Height
- Chen
- · Replies 12 ·
Determining Final Velocities in Multi-Collision System
- Soaring Crane
- · Replies 7 ·
Force in crossbar of inverted A-frame suspended by two ropes
- Crazedkid
- · Replies 2 ·
Solving the Coaster Puzzle: Finding Variables and Calculations
- lidomonkee
- · Replies 2 ·
Limit of x^(tan(x)) as x approaches 0 from the right
- SomeRandomGuy
- · Replies 9 ·
How Is Magnetic Flux Calculated Near a Current-Carrying Wire?
- hd28cw
- · Replies 2 ·
Where Does the Second Derivative Term in the Geodesic Equation Come From?
- Hypnotoad
- · Replies 3 ·
What Speed Ensures Maximum Amplitude for a Mass on a Spring System?
- cutegirl1980
- · Replies 2 ·
Help with physics problem from image
- UrbanXrisis
- · Replies 2 ·
A few problems on waves that i with
- SJC25
- · Replies 2 ·
Sums of different pieces of money
- punjabi_monster
- · Replies 2 ·
Scale reads 0.75 of weight in accelerating elevator
- psycovic23
- · Replies 3 ·
Understanding a Rotation Problem: Mass, Length, and Acceleration Calculations
- Silimay
- · Replies 2 ·
Finding Expected Value of fy(Y) = 3(1-y)^2
- semidevil
- · Replies 2 ·
Solving for Distance: Finding Work from Mass, Incline & Spring
- UrbanXrisis
- · Replies 3 ·
Net force on a half-wavelength rope section in harmonic motion
- justagirl
- · Replies 2 ·
Surface Tension: Tap vs Distilled Water
- frb
- · Replies 2 ·
Force at 37° to square bar: finding compressional and shear stress
- petep
- · Replies 2 ·
What Are Tension, Friction, and Normal Forces in Physics?
- Kimorto
- · Replies 4 ·