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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Damped Oscillations. Mass Hanging from a spring
- flynner28
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Thermodynamics, melting, phase change
- name_ask17
- · Replies 2 ·
E=mc2 involve mass and energy as relative values?
- skoks
- · Replies 10 ·
Block on Plane with Friction in strange coordinate system
- lordkelvin
- · Replies 1 ·
What Angles Affect the Vector Components of a Weight on an Inclined Plane?
- dandy9
- · Replies 3 ·
Finding a relationship using 1st Law of Thermodynamics
- Charanjit
- · Replies 1 ·
I've done this problem at least 85 times what am I doing wrong?
- vitaebellaa
- · Replies 2 ·
Find distance of Champagne cork
- Ienjoytrig...
- · Replies 3 ·
Circular Motion - Triangular Frame
- Ruler of Hell
- · Replies 5 ·
Help Me Find the Capacitance: A Stumped Student's Story
- cupid.callin
- · Replies 4 ·
How long does it take to slow this boat down?
- Theorγ
- · Replies 14 ·
Calculating Freefall Acceleration on the Moon
- Ockonal
- · Replies 13 ·
Vector Problem: Finding the X-Component with Magnitude and Angle
- computerex
- · Replies 3 ·
Calculating Moment of Inertia for an 80kg Plank on Two Workers' Shoulders
- jono90one
- · Replies 5 ·
Find Mass of Object in Kings Dominion's Drop Zone Ride | Formula & Solution
- suwarna07
- · Replies 8 ·
Finding the Total Electric Field at X=0 on the X-Axis
- eestep
- · Replies 4 ·
Ideas for undergraduate presentation
- Keano16
- · Replies 1 ·
Problem with vectors and unit vectors
- TW Cantor
- · Replies 9 ·
How to Calculate a Unit Vector Perpendicular to a Plane?
- TW Cantor
- · Replies 2 ·
Using Gauss's Law to determine an electric field
- loba333
- · Replies 4 ·
Tapping a cup to produce sound above and below water
- manofdemon
- · Replies 12 ·
Calculating Time Interval of Two Earth Satellites in Circular Orbits
- NEILS BOHR
- · Replies 4 ·
Glass Transparency: Visible Light vs. IR/UV
- I Like Pi
- · Replies 1 ·
How Can You Solve Coulomb's Law Problems with Electric Charges and Forces?
- physics231
- · Replies 4 ·
Simple pendulum in an electric field
- Apphysicist
- · Replies 3 ·
Momentum and Collisions: Solving for Post-Collision Velocities
- Giggling
- · Replies 2 ·
How Do I Convert Amps to Coulombs?
- Googl
- · Replies 8 ·
A steel washer suspended from the top of a crate sliding down a ramp.
- gigazard332
- · Replies 1 ·
How Do You Solve Complex Wave Equations Involving Frequency and Wavelength?
- ultra_mc
- · Replies 7 ·
Totally internally reflected ray
- aurao2003
- · Replies 3 ·
Projectile Motion Bomb Question
- pacesetter1
- · Replies 1 ·
Vibration Problem with Fixed End Beam and Unbalanced Motor | Homework Help
- bikramjit das
- · Replies 5 ·
Superposition of electric forces question
- jessicak
- · Replies 5 ·
Electrostatic repulsion problem
- jessicak
- · Replies 6 ·
How Does Blade Number and Wind Speed Affect Wind Turbine Efficiency?
- bacnka
- · Replies 6 ·
Simple harmonic motion problem, finding velocity as a function of position
- Matt1234
- · Replies 5 ·
Distance Formula: Calculate w/ Acceleration & Time
- spencerda
- · Replies 2 ·
Two Hanging Spheres: Calculating Electrical Force
- Bryon
- · Replies 1 ·
Elastic Cart Collision of a stationary and a moving cart
- Potato21
- · Replies 1 ·
How many joules are in a Mega Watt?
- besaw212
- · Replies 2 ·
Understanding Ticker Tape: Solving for Period and Frequency
- davie08
- · Replies 1 ·
Weight of a Box between two fluids of different densities
- viciousp
- · Replies 4 ·
How to find max velocity in curve
- pacman.
- · Replies 3 ·
How Do You Calculate the Net Force on a Charge in an Electric Field?
- flyingpig
- · Replies 8 ·
How Far is the Satellite from Earth's Surface?
- Rbethell16
- · Replies 6 ·
Physics A123 Acceleration problem
- c_barrera2
- · Replies 5 ·
Time it takes for light to travel 54 cm
- crystalspark
- · Replies 9 ·
Lab Question for Advance Refraction/Reflection
- Otaku Love
- · Replies 2 ·
Calculating Wave Speed in a Stretched Brass Wire
- asz304
- · Replies 4 ·
Wave Speed in Water: Find Wave Speed Given Tub Width & Frequency
- asz304
- · Replies 4 ·
Electric Field & Point Charge Potential Energy
- Xels
- · Replies 1 ·
Equilibrium? What does this mean?
- flyingpig
- · Replies 2 ·
Satellite Velocity Homework: Calculate Distance, Acceleration, and Speed
- AClass
- · Replies 4 ·
Final temperature of the liquid water?
- name_ask17
- · Replies 3 ·
Calculating Latent Heat of Ice: A Physics Practical Guide
- max0005
- · Replies 2 ·
Synthesizing a Triangular Wave Using Microsoft© Excel
- whitelockben
- · Replies 11 ·
How Is the Mass of Neptune Calculated Using Triton's Orbital Data?
- shvnchizms
- · Replies 3 ·
Calculating Time and Energy Loss for a Bouncing Rubber Ball
- aurao2003
- · Replies 4 ·
Help Block Diagram of viscometer?
- aiklone1314
- · Replies 1 ·
Is the Solution for the Block's Acceleration on an Accelerating Wedge Correct?
- housemartin
- · Replies 6 ·
What is the Difference Between \oint and \int in Electric Flux Integrals?
- rshalloo
- · Replies 2 ·
Discover the Length of a Box Containing 1 Mole of Sugar Cubes
- armolinasf
- · Replies 4 ·
Acceleration of pulley system physics problem
- mvpshaq32
- · Replies 1 ·
How Do You Solve a Kinetic Friction Problem Involving Two Blocks?
- mvpshaq32
- · Replies 2 ·
Density Error Propagation/Significant Figures Based on Extreme Values
- jchiz24
- · Replies 1 ·
Energy question, involving work, there is a missing variable?
- oddcitations
- · Replies 3 ·
Does this velocity sound reasonable?
- Rbethell16
- · Replies 1 ·
Finding coefficient of kinetic friction on a track with a spring.
- lykwedontcare
- · Replies 1 ·
Help Calculating Thevenin Resistance
- maherelharake
- · Replies 37 ·
Geosynchronous Orbit Satellite Altitude Calculated from Moon
- KillerZ
- · Replies 2 ·
Moment of Inertia on Semi-Hollow Cylinder
- trautlein
- · Replies 2 ·
Energy to heat water in a stem engine
- asasin114
- · Replies 1 ·
What Happens to a Spacecraft's Synodic Period as Its Orbit Approaches 1 AU?
- wiremonkey22
- · Replies 3 ·
Solve Normal & Tangentiel Co-ordinate System Finding Component of Acceleration
- gammastate
- · Replies 3 ·
Static Equilibrium don't understand something
- Femme_physics
- · Replies 4 ·
What's the air temperature when Δd=250m
- crystalspark
- · Replies 1 ·
Calculating Total Time and Height of a Free-Falling Object
- thomasxc
- · Replies 7 ·
Position of an object after a certain amount of time?
- Loppyfoot
- · Replies 9 ·
Number of oxygen molecules in our lecture theatre
- Chewy247
- · Replies 2 ·
Flux of electric field through the square
- leventa2
- · Replies 5 ·
What is the correct density of the cork based on its buoyancy and weight?
- awertag
- · Replies 6 ·
Finding Number of Moles with Ideal Gas Equation
- jimmy42
- · Replies 3 ·
Calculating Pressure & Force in a Swimming Pool
- roman15
- · Replies 3 ·
Calculating Vector Projections for Force Components
- Lancelot59
- · Replies 2 ·
A van is travelling north - Vector question.
- shamswahid
- · Replies 4 ·
Calculating Oxygen Mass in a Portable Cylinder | Physics Homework Help
- name_ask17
- · Replies 2 ·
One dimensional motion problems.
- picklepie159
- · Replies 1 ·
Calculate the total energy of the mass spring system
- AClass
- · Replies 2 ·
Momemuntum of bodies at right angles
- aurao2003
- · Replies 2 ·
Rocket launching - Newton's Second Law
- dandy9
- · Replies 4 ·
Rotational Freq of Wheel for "Artificial Gravity" of 9.3 m/s^2
- rrodriguez119
- · Replies 3 ·
Basic Dimensional Analysis Question
- armolinasf
- · Replies 3 ·
Charge Density and Diract Delta Functions
- definerandom
- · Replies 1 ·
EMF of an AC carrying electromagnet.
- Nev3rforev3r
- · Replies 6 ·
Carnot refrigerator cost problem
- RockJockey
- · Replies 1 ·
Thevenin Voltage and Resistance Calculation for Circuit with Current Sources
- Yaaaldi
- · Replies 1 ·
Solve Friktion & Effect Question: Alex on Motorcycle
- anthroxy
- · Replies 4 ·
Fringe pattern of a vapour lamp
- aurao2003
- · Replies 1 ·
Vertebrate and Number of Breaths - Ideal Gases
- dvolpe
- · Replies 1 ·
Will the cylinder slide or topple on an inclined plane?
- BowlOfRed
- · Replies 1 ·