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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Conduction and convection- processes understanding
- Sahil Dev
- · Replies 4 ·
Is the Tension in Physics Problem 651N or 1302N?
- Teachme
- · Replies 3 ·
Speed for a meter stick to contract to 0.5 meters
- Tonia
- · Replies 12 ·
Convert Oersted to Gauss: Multiply by 4π
- sergiokapone
- · Replies 1 ·
How to solve this Cosine Law Equation?
- Shahab Mirza
- · Replies 16 ·
Moving atomic clock time dilation at 1000 km/h
- Tonia
- · Replies 6 ·
Calculating tension of moving object
- Cleo>_>
- · Replies 6 ·
Gauss' law for point charge inside sphere off center
- gimak
- · Replies 2 ·
Why do two different spherical capacitor configurations give the same capacitance?
- erisedk
- · Replies 6 ·
What is the significance of thermal resistance in heat transfer?
- Sahil Dev
- · Replies 7 ·
Car oscillation amplitude stays constant, graph shows frequency dependence
- Jamessamuel
- · Replies 5 ·
How Does a Lightbulb's Resistance Impact Its Power Consumption?
- skepticwulf
- · Replies 6 ·
How Do Capacitors Behave in Different Configurations?
- CannonSLX
- · Replies 4 ·
How many times nuclear force is greater than gravitational f
- Subrata_Paul
- · Replies 1 ·
Determining the result or state of system in a calorimeter
- Moose100
- · Replies 18 ·
What is the speed at a great distance from the alpha particle
- abm77
- · Replies 2 ·
Mass distribution of a semi-infinite stick
- Jzhang27143
- · Replies 1 ·
What Is the Distance a Skier Lands From a Ramp?
- scharry03
- · Replies 1 ·
Show that Momentum is conserved in a reference frame
- Tonia
- · Replies 46 ·
How To Find Initial Angular Velocity
- rockerdude1210
- · Replies 4 ·
How is Work Calculated for a Drag Race Scenario?
- Seejianshin
- · Replies 15 ·
Four charges equal in magnitude form a square
- abm77
- · Replies 7 ·
What are kinetic and geometric constraints?
- freutel
- · Replies 2 ·
What is the speed when a disk has reached maximum extension?
- freutel
- · Replies 3 ·
Not sure about my rotations problem
- toesockshoe
- · Replies 22 ·
Mechanical analysis of a simple object
- fobsnation
- · Replies 2 ·
Moment of inertia from diffrent axis
- **Mariam**
- · Replies 13 ·
What is the power of a sound source placed on a tall radio tower?
- nicholasH
- · Replies 1 ·
Whats the equation for rotational momentum?
- toesockshoe
- · Replies 4 ·
How does one calculate the flux density B at end of solenoid?
- Nile Anderson
- · Replies 12 ·
What is the impact of changing the reference angle in a static friction problem?
- Jzhang27143
- · Replies 6 ·
Knoll (knob/bump) on the plate of the capacitor
- sergiokapone
- · Replies 3 ·
Rinkel's modification of Ruchhardt's method
- arpon
- · Replies 3 ·
How High Did Water Rise in the Squalus Diving Bell?
- Jason Onwenu
- · Replies 6 ·
Book sandwiched between your hand and table
- Jaxije
- · Replies 3 ·
Torque from beam attached along length of another beam
- Alexander1
- · Replies 18 ·
Calculating half life from experimental data
- Sir Bro
- · Replies 19 ·
Simple harmonic motion energy question
- Samurai44
- · Replies 9 ·
Simple particle on slope confusion
- rmawatson
- · Replies 4 ·
Finding displacement and vector magnitudes from multiple journeys
- squareone
- · Replies 5 ·
Determining Liters of ethane burned to convert H20 to steam
- Moose100
- · Replies 4 ·
Oscillations due to restoring torque
- saadhusayn
- · Replies 2 ·
Delay of propagation of the pressure in a fluid
- Gh778
- · Replies 9 ·
Kinetic Energy - use a log scale or not?
- Luke_G
- · Replies 3 ·
Where is the Force on a Proton 0.79FR Relative to the Surface of a Charged Ball?
- w3dnesday
- · Replies 4 ·
How do electrons in a wire know what current to travel at before encountering resistors?
- Jason Williams
- · Replies 3 ·
Calculating Kinetic Energy After a Turn on a Horizontal Plane
- kaspis245
- · Replies 35 ·
Thermodynamics equations and relations
- Frozen Light
- · Replies 1 ·
Why Was My Work Calculation Incorrect?
- physlexic
- · Replies 4 ·
Why Did the Gyroscope's Precession Rate Double?
- j3dwards
- · Replies 2 ·
Rocket expelling fuel velocity relative to earth
- j3dwards
- · Replies 3 ·
How can I calculate sieverts from the activity of depleted uranium?
- Sir Bro
- · Replies 7 ·
How Is the Constant 'c' Derived in Spring Oscillation Calculations?
- ramarlon89
- · Replies 1 ·
Capacitance, Potential difference
- lavankohsa
- · Replies 3 ·
Question on graph of Momentum vs Distance
- lionely
- · Replies 6 ·
Proving that Angular Moment is Conserved - Kepler's 2nd Law
- BOAS
- · Replies 1 ·
Spring constant, find height of projectile
- subopolois
- · Replies 4 ·
What is the role of a grounded point in a circuit?
- AbhinavJ
- · Replies 14 ·
Can we factor out the imaginary unit i from a commutator bracket?
- NewtonApple
- · Replies 1 ·
How to calculate 1st Overtone Frquency
- Ben James
- · Replies 3 ·
Fluid flow/pressure in a pipe going uphill
- j3dwards
- · Replies 7 ·
How to find the force of friction?
- Matthew M
- · Replies 13 ·
Capacitance between two wires-not straight
- sidhu3189
- · Replies 1 ·
What is the beat frequency for a cyclist ringing a bell towards a wall?
- Joy Wong
- · Replies 2 ·
Kinetic friction on smooth then rough surface
- rasen58
- · Replies 4 ·
Ball with maximum velocity on reaching the ground.
- takando12
- · Replies 9 ·
Electric field in non conducting shell
- Tanya Sharma
- · Replies 23 ·
Power of Sound Wave at distance
- Mnemonic
- · Replies 2 ·
Cross product of 2 vectors of same magnitude
- Okokya
- · Replies 3 ·
How Should Relative Permittivity Be Applied in Electric Field Calculations?
- Jmphysics
- · Replies 2 ·
How many equations for kinematics?
- PhysicallyAbel
- · Replies 4 ·
Interpolate value in velocity vs time table
- rasen58
- · Replies 7 ·
Gravitational potential at equilibrium point between planet and moon
- TalliThePrune
- · Replies 4 ·
Archimedes problem? density's of objects in liquids
- blaphysics
- · Replies 2 ·
Finding the charge at center of a square for equilibrium
- mirzaicpc
- · Replies 12 ·
Moment of inertia of ring with 3 masses on
- j3dwards
- · Replies 6 ·
Gravitational force between two 1g masses of electrons
- Astraithious
- · Replies 6 ·
Finding value of constants of quadric equation by experiment
- arpon
- · Replies 1 ·
Understanding Potentiometers in Circuit Diagrams
- PhysicStud01
- · Replies 18 ·
Understanding Gravitational Field Lines Between Two Objects
- TalliThePrune
- · Replies 5 ·
How to calculate rate at which a carpet can absorb liquid?a
- Elvis 123456789
- · Replies 1 ·
What is the wave function interpretation in quantum mechanics?
- JuHanKim
- · Replies 1 ·
Doppler effect and concept of Beat Problem
- MMONISM
- · Replies 3 ·
What does the negative sign in Faraday's law actually mean quantitatively?
- stfz
- · Replies 1 ·
Power Source at 6.0V: Analyzing Current, Voltage, & Resistance
- Sowon
- · Replies 3 ·
Minimum uncertainty of the momentum of a small particle
- AndrejN96
- · Replies 2 ·
Minimum Acceleration for Safe Rope Sliding: 40kg Person on 350N Tension Rope
- Dembart
- · Replies 2 ·
Calculate angle of swing in a carousel
- whatdoido
- · Replies 11 ·
Lorentz transformation of frequency
- Maximtopsecret
- · Replies 3 ·
Converging Meniscus Lens, Filled with Fluid
- BOAS
- · Replies 1 ·
Classical physics wavelength of monochromatic light
- Stevee
- · Replies 16 ·
Power loss in transmission with fixed power and variable voltage
- skepticwulf
- · Replies 4 ·
Finding the product moment of inertia of this cylinder
- anchonee
- · Replies 7 ·
Doppler Effect with Swinging Ball
- MMONISM
- · Replies 1 ·
How to Calculate Force and Velocity for a 20g Projectile at 15 Meters?
- Arthur Albert
- · Replies 5 ·
What is the Q-Value for Electron Capture in Kr-81?
- says
- · Replies 5 ·
Angular momentum of a solid cylinder rotating around axis
- zeralda21
- · Replies 5 ·
What is the peizometric head difference between A and B?
- Padmal
- · Replies 7 ·
Why static friction applies when a car rounds a curve
- Tahmeed
- · Replies 5 ·
Spaceship constant speed problem
- student07
- · Replies 16 ·