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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How do two springs act as a simple harmonic oscillator in a spring-mass system?
- Mkbul
- · Replies 2 ·
Velocity of an asteroid from an infinite distance
- Foehammer
- · Replies 16 ·
Basic Circuit Q: Why does one get shocked and not the other?
- feihong47
- · Replies 6 ·
Calculating Work Done by Gas in a Mercury-Filled U-Tube with Right Angle Bends"
- sankalpmittal
- · Replies 10 ·
Negative time in equations of motion
- beck blackfire
- · Replies 7 ·
Hydrogen energy levels question
- Robsta
- · Replies 16 ·
What is the initial momentum of the sled-person system?
- Glenboro
- · Replies 7 ·
Conceptual Uniform Circular motion problem?
- toesockshoe
- · Replies 1 ·
How Can Changing Variables in a Laser Experiment Alter the Interference Pattern?
- student07
- · Replies 6 ·
Calculating momentum of soccer ball.
- Glenboro
- · Replies 6 ·
Final translational and spin velocities of spinning disc?
- barns
- · Replies 4 ·
What Are the Calculations for the Orbit of Vanguard 1 Satellite?
- Longee
- · Replies 1 ·
Spring Constant to Bring a Car to Rest
- kieth89
- · Replies 5 ·
RL Parallel Circuit Behavior Upon Switch Closure
- Jzhang27143
- · Replies 16 ·
What is the final voltage that a capacitor charges towards?
- VaishnaviRam
- · Replies 8 ·
Solving Electrostatics Doubt: Negative Charge on Ball
- shrutiphysics
- · Replies 6 ·
Protons along a magnetic field line
- AndrewC1994
- · Replies 1 ·
How Does Kinetic Energy Change in a Baseball After Being Hit?
- Glenboro
- · Replies 9 ·
Resistors in parallel with a capacitor, total resistance?
- Tangeton
- · Replies 7 ·
Temperature and Pressure Differences in Identical Rooms
- shrutiphysics
- · Replies 7 ·
Capacitance of four metal plates
- Patrikp
- · Replies 4 ·
Transverse Doppler Effect for a Moving Star
- Dazed&Confused
- · Replies 1 ·
Conservation of momentum of a photon
- SU403RUNFAST
- · Replies 9 ·
Capacitor negative charge question
- Jamessamuel
- · Replies 6 ·
Understanding the Meaning of l1, l2 & m in Two Waves in Phase Equation
- clum
- · Replies 1 ·
How do I determine the age of a sample using radiocarbon dating?
- mss90
- · Replies 3 ·
How Does Planet X's Gravity Affect Rocket Escape Velocity?
- 15ongm
- · Replies 2 ·
Uniform Circular Motion question
- 15ongm
- · Replies 3 ·
Point and circle on sphere probability
- BedrockGeometry
- · Replies 2 ·
Struggling to Invent? Need Ideas for Your Physics Project?
- equinox
- · Replies 11 ·
Final angular velocity of a merry-go-round?
- nickr96
- · Replies 4 ·
Electric Fields: Oscillating point charge
- abrianna
- · Replies 3 ·
Acceleration of a rod due to magnetic force
- Ozmahn
- · Replies 8 ·
Potential energy of an electric dipole in electric field
- Sleepycoaster
- · Replies 2 ·
Grade 11 Energy Transformation with External Forces
- Wajeeha
- · Replies 2 ·
How Do You Calculate the Moon's Speed and Acceleration in Its Orbit?
- Glenboro
- · Replies 6 ·
Retarded Green's Function for D'Alembertian
- leonardthecow
- · Replies 1 ·
Collision question -- 2 balls colliding elastically
- SteveS
- · Replies 15 ·
Calculating Electron Velocity and Orbit in Crossed Electric and Magnetic Fields
- Angie K.
- · Replies 1 ·
Calculate linear momentum of earth
- **Mariam**
- · Replies 3 ·
How High and Fast Does a Bullet Travel When Shot Vertically?
- Glenboro
- · Replies 9 ·
A disc in space will rotate or not?
- mooncrater
- · Replies 3 ·
How Is Energy Calculated in a Capacitor?
- Cal124
- · Replies 5 ·
Compressing ideal gas, show no heat exchange
- Dazed&Confused
- · Replies 19 ·
Calculating Self and Mutual Inductance: A Derivation of Formulas Using Solenoids
- toothpaste666
- · Replies 7 ·
Catching up to object moving away
- Dazed&Confused
- · Replies 8 ·
Deceleration necessary to prevent a train collision
- rezal
- · Replies 2 ·
Normal incidence on 2 dielectric boundaries
- Robsta
- · Replies 1 ·
The greatest angle at which a ladder won't slip
- Addem
- · Replies 1 ·
Calculating half power frequency/cutoff frequency
- vishwesh
- · Replies 7 ·
Pendulum involving Spring and Rotating plank
- kspabo
- · Replies 1 ·
Solving RC & RL Circuits Homework
- Destroxia
- · Replies 6 ·
Angular Momentum Conservation in Impulsive Blow: Rolling and Climbing Cylinder
- mooncrater
- · Replies 15 ·
Gravitational Force and Density on a Planet with a Digging Experiment
- Raghav Gupta
- · Replies 15 ·
Compressed Spring Between Two Boxes
- Soniteflash
- · Replies 5 ·
Tension on Rope, greater then, less than, or equal to
- isaac206
- · Replies 2 ·
Circuits with two sources of Emf
- Jimmy87
- · Replies 11 ·
"Diffraction: Why Bass Music is Easier to Hear
- student07
- · Replies 1 ·
Solving the Mystery of Wavelength Refraction: A Thin 200nm Film of Oil
- JJK1503
- · Replies 2 ·
Finding max speed and corresponding angle for a semi-circular path
- Juke
- · Replies 16 ·
Solving Series RLC Circuit: Vrms Across Capacitor & Inductor is Zero
- reddawg
- · Replies 2 ·
Angular Velocity Of A Sphere Rotating Under Gravity
- Woolyabyss
- · Replies 2 ·
Derivation of self inductance formula in an LC circuit
- PratyashAstro
- · Replies 2 ·
Angle of Deflection of Laser Given Tilted Mirror
- Kumo
- · Replies 10 ·
Mechanics. Gravitation and gravity
- moenste
- · Replies 7 ·
Special relativity and really fast trains
- JJK1503
- · Replies 2 ·
Thermodynamic Query: Calculating Heat Transfer for Monoatomic Gas at S.T.P.
- shrutiphysics
- · Replies 4 ·
Geometric Optics: Find Fish Apparent Position & Length in Fishtank
- whatisreality
- · Replies 6 ·
Focal length of lens at border of two liquids
- matej1408
- · Replies 4 ·
Conducting slidewire see system-Faraday's Law
- Gemma95
- · Replies 1 ·
Electric potential, Can Someone Check This?
- whitejac
- · Replies 5 ·
A ball is thrown upward direction , is it a -ve displacement
- md abul hasan
- · Replies 4 ·
How to Derive the ABCD Matrix for a Transmission Line?
- baby_1
- · Replies 5 ·
AH physics exam tomorrow - help with waves question? thanks
- ah4p
- · Replies 1 ·
Looking For (Academic) References About How the LHC Works
- ChaosLokoInc
- · Replies 2 ·
Finding speed of two electrons initially at rest
- ozbii
- · Replies 3 ·
How much charge inside a Gaussian surface?
- physicslove22
- · Replies 10 ·
+ charged sphere and - charged sphere touch and separate
- Soniteflash
- · Replies 2 ·
Work Done line Integral question - Electrostatics - help please
- smileandbehappy
- · Replies 2 ·
Why does charge on a pointy conductor not uniformly spread?
- friendbobbiny
- · Replies 1 ·
Object sliding down a block on a scale
- Lord Anoobis
- · Replies 10 ·
Dielectric Cylinder Polarization (Electrostatics)
- roam
- · Replies 4 ·
Calculating Energy Released from Uranium Fission
- nima rahmani
- · Replies 3 ·
Reason for the obvious movement of a block
- mooncrater
- · Replies 11 ·
Mechanics. Circular motion and rotation
- moenste
- · Replies 12 ·
Finding height of revolving body at speed ##\sqrt{2gR}##
- AakashPandita
- · Replies 24 ·
Help with interference question AH physics? exam tomorrow :(
- ah4p
- · Replies 2 ·
Oscillation of a mass connected to a spring displaced
- vishwesh
- · Replies 5 ·
Bra-Ket Notation, Wave Equation, Particle States
- squelch
- · Replies 5 ·
Finding the Uncertainties in Frequency with Given Capacitor and Inductor Values
- Aristotle
- · Replies 19 ·
Static equilibrium - man on a ladder
- aweeeezy
- · Replies 6 ·
Series vs. Parallel: Solving Capacitor Circuits
- henry3369
- · Replies 11 ·
Why is radius important in tension calculations but not in force components?
- Godawgs94
- · Replies 4 ·
Interpreting Bernoulli Equation
- cj
- · Replies 1 ·
Understanding Discharge: Where Does Capacitor Charge Go?
- HeidiF
- · Replies 3 ·
Can You Help Review My Physics Assignments for Engineering College Prep?
- physicslady
- · Replies 2 ·
The Bohr Radius and reduced mass
- squelch
- · Replies 11 ·
The allowed radii and energies of positronium
- squelch
- · Replies 1 ·
I'm trying to find electric potential.
- +Jace090+
- · Replies 12 ·