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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Missing technique used to find acceleration of a 4-bar mechanism?
- MechE
- · Replies 4 ·
Simple Tension Problem: Free Body Diagram and Calculating Normal Force
- Kant Destroyer
- · Replies 13 ·
Which has a greater Gravitational Energy?
- Hockey101
- · Replies 7 ·
Mass and pulley system question
- Dtbennett
- · Replies 1 ·
Elastic string with mass at its end
- Saitama
- · Replies 12 ·
Impedance as a function of angular frequency
- yaro99
- · Replies 8 ·
Total distance in simple harmonic motion
- chococho
- · Replies 3 ·
Electron enters uniform magnetic field and takes circular path
- jamesrb
- · Replies 5 ·
Bernoulli's equation, static fluid, gauge pressure problem.
- BOAS
- · Replies 3 ·
Saltwater Elevation below Ball: 1.85cm
- Dinheiro
- · Replies 10 ·
Rotational Inertia and Motion problems
- PhysicsPenguin
- · Replies 3 ·
Magnetic Force on a Circuit: What is the Magnitude of Force on a Structure?
- Saitama
- · Replies 4 ·
Physics Pressure ranking pressures?
- airaa12599aa
- · Replies 1 ·
Air Resistance of a Diver using Ek and Eg
- physicsmyfav
- · Replies 4 ·
Nuclear decay of a mixture of P and S. (2009 USAPhO Question A2)
- vthem
- · Replies 14 ·
Solving Ampere's Law Problem: Find Magnitude of B·dl
- Saitama
- · Replies 13 ·
Coefficient of static friction of a sliding block
- jannx3
- · Replies 2 ·
Uniform rod resting against rough vertical wall supported by a string.
- kozor
- · Replies 3 ·
Finding the spring constant of a mass in SHM
- KiNGGeexD
- · Replies 6 ·
Frequency of Circular Motion in Ring Rolling Inside a Cone
- Saitama
- · Replies 30 ·
Calculating Energy Stored in a Parallel-Plate Capacitor
- yayovio10
- · Replies 20 ·
Help with horizontal velocity
- Physicshelp14
- · Replies 3 ·
SHM Oscillation problem involving potential energy
- goraemon
- · Replies 3 ·
Derivation of Noether's theorem in Lagrangian dynamics
- physiks
- · Replies 2 ·
Entropy of a Fermi dirac ideal gas
- Dassinia
- · Replies 1 ·
The effect of a stationary proton on a stationary electron
- Mindstein
- · Replies 2 ·
Centripetal and centrifugal forces
- adjacent
- · Replies 9 ·
Arithmetic Question Involving Quantum Physics
- Coop
- · Replies 1 ·
Atom Absorbing and Emitting Photons
- blue_lilly
- · Replies 3 ·
Latent Heat Question: Calculate Vaporization Rate & Energy Needed
- Bgerst103
- · Replies 3 ·
Calculating Power Needed for Water Evaporation | Heat of Vaporization 2260 kJ/kg
- Bgerst103
- · Replies 3 ·
Function Waves Graph Homework: Find λ for tp=3.5s and xp=3.7m
- negation
- · Replies 2 ·
Solving Tension of a Wire Problem
- dzidziaud
- · Replies 5 ·
Question on finding moment of inertia about the center of mass
- melizabeth
- · Replies 2 ·
Get the minimum taken to move from A to B given a cap on Velocity
- thejackal
- · Replies 3 ·
What Is the Net Inward Force on a Sinking Barrel?
- xxxzyon
- · Replies 2 ·
Two point charges connected by a massless rope
- KiNGGeexD
- · Replies 14 ·
Need help on length change due to temperature change question
- supernovaes
- · Replies 4 ·
Two dimensional projectile motion
- utkarshakash
- · Replies 6 ·
Electric field in all regions of infinite cylinder
- yayovio10
- · Replies 3 ·
LR Circuit Analysis: Find Current i When Switch is Opened
- utkarshakash
- · Replies 4 ·
How Do You Calculate Net Inward Force on a Submerged Barrel?
- xxxzyon
- · Replies 1 ·
Calculating Capacitance in an RC Circuit: A Mentor's Guide
- astro2525
- · Replies 16 ·
Understanding Prism Deviation Angle in Optics
- Shamim
- · Replies 2 ·
Momentum Problem involving minimizing collision impact
- Dethrone
- · Replies 5 ·
How Fast Must Earth Spin for Equatorial Weight to Be One Fifth of Polar Weight?
- Shauta
- · Replies 3 ·
Centripetal acceleration speeding car problem
- Dumbledore211
- · Replies 8 ·
Why Ignore the Magnetic Field in a Mass Spectrometer?
- darksyesider
- · Replies 1 ·
Electric Field of x-axis line of charge at the origin.
- fitzfool
- · Replies 4 ·
Plane Mirror Optics: Determining Minimum Mirror Size for Viewing Entire Image
- Speedking96
- · Replies 1 ·
Unicycle straight line motion/time dependent acceleration Problem
- chiamocha
- · Replies 9 ·
How Do You Solve the Freefall Catching Problem in Physics?
- chiamocha
- · Replies 3 ·
Work Done by Water: Calculating/Solving Homework
- Bgerst103
- · Replies 7 ·
A Question about Torque Used for Static Equilibrium
- student34
- · Replies 3 ·
Lagrangian of a rotating disc with mass attached
- albega
- · Replies 5 ·
Inserting iron core in an inductor coil
- utkarshakash
- · Replies 1 ·
Measuring parallel velocity in rotating frame.
- peripatein
- · Replies 30 ·
Finding Velocity in Car Collision Impulse Problem
- Bgerst103
- · Replies 8 ·
Find Time Constant for RC Circuit: Solve the Equation!
- utkarshakash
- · Replies 4 ·
Calculate Pressure of Sand on Paper: D=19.6 Pa
- Bgerst103
- · Replies 11 ·
Work & Equilibrium of Insulated Box: Why W=0?
- princejan7
- · Replies 3 ·
Mass hanging by spring tracing a eight shaped curve
- Saitama
- · Replies 4 ·
Negative work, positive work problems
- cuongbui1702
- · Replies 4 ·
How Does Compressing an Ideal Gas Affect Its Temperature?
- Bgerst103
- · Replies 3 ·
Can You Master Drawing Ray Diagrams for Prisms Using Snell's Law?
- Sayed Fahad
- · Replies 2 ·
Deriving wave equation with single string and small amplitude wave.
- BigDave11
- · Replies 8 ·
Block and Bullet Collision: Finding the Height of Block B | Homework Problem
- Tanya Sharma
- · Replies 25 ·
Gauss's law on a charged sheet.
- pondzo
- · Replies 4 ·
Magnetic field and Induced Electric field inside a solenoid
- m0t0xk1d
- · Replies 1 ·
Quantum Mechanics , bra-ket , angular momentum eigenkets, eigenvalues
- binbagsss
- · Replies 9 ·
How Does Spring Mass Affect Its Behavior?
- Saitama
- · Replies 70 ·
Is electric field decomposable when detected by CCD?
- genxium
- · Replies 1 ·
Solving for Visible Light Reflection/Transmission: A Homework Help Guide
- Feodalherren
- · Replies 5 ·
Question about phase transitions and PV, VT diagrams
- KiNGGeexD
- · Replies 4 ·
Thermal, steady-flow, table, continuity
- scrubber
- · Replies 2 ·
Boundary conditions don't apply in the equation's region of validity
- asaspades
- · Replies 4 ·
Gravitational fields - move from A to infinity
- Denul
- · Replies 2 ·
KE Loss Qs 8: Elastic Collisions Explained
- yolo123
- · Replies 3 ·
Resonance-The frequency of an applied force
- Woolyabyss
- · Replies 2 ·
Mechanical energy and momentum conservation
- yolo123
- · Replies 1 ·
What is the range of angles for total internal reflection in glass?
- nst.john
- · Replies 12 ·
Can Circuit Components Carry Uniform Current in These Diagrams?
- princejan7
- · Replies 2 ·
What is the temperature of the freezer based on the Ideal Gas Law?
- Bgerst103
- · Replies 7 ·
River crossing and relative velocities
- Egoyan
- · Replies 4 ·
Determine its speed immediately before landing
- calculator20
- · Replies 1 ·
Calculating Rotational Work on a Solid Cylinder
- Dethrone
- · Replies 15 ·
What Are the Alternatives to Silicon in Chip Manufacturing?
- henrywang
- · Replies 8 ·
How Do I Solve for L in an Inductance Equation?
- Loopas
- · Replies 1 ·
Relativistic addition of velocities problem
- 123456
- · Replies 4 ·
How to Solve an Elastic Collision of 3 Balls with Frictionless Motion?
- baubletop
- · Replies 6 ·
What is the concept behind Diffraction, n , Finding Dark/Bright Spots
- hbk69
- · Replies 10 ·
Thin lens equation and image formation
- castrodisastro
- · Replies 14 ·
Tension? knowing friction. I have the answer but need explaination
- Giiang
- · Replies 3 ·
Period of falling through asteroid vs orbit
- mintsnapple
- · Replies 3 ·
Thermodynamics: Air and Steam Mixtures
- nightingale
- · Replies 4 ·
Two stacked blocks attached to a spring
- mintsnapple
- · Replies 3 ·
Displacement of a wave: Understanding Negative Results
- BOAS
- · Replies 2 ·
Infinite Line of Charge and Electric Potential Difference
- tomlichu
- · Replies 7 ·
An object which experiences two gravitational force
- adjacent
- · Replies 6 ·
Acceleration of the tips of wind turbine blades
- asaspades
- · Replies 13 ·