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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Potential Difference in particle
- kdrobey
- · Replies 6 ·
How Does Amplitude Influence the Oscillation Period of a Cantilever?
- singh246
- · Replies 1 ·
How Do You Calculate the Angle of Reflection in Optics Problems?
- parcerita
- · Replies 9 ·
How far do the runner and catcher slide?
- btrkun
- · Replies 12 ·
What forces are required to keep a car moving on a vertical loop?
- Larrytsai
- · Replies 3 ·
Tangential Speed and Angular Momentum
- yellowgators
- · Replies 1 ·
Frustrated with Physics: Measuring Temperature Changes in the Ocean
- lostie100
- · Replies 1 ·
Expressing centripetal action with variables
- kylera
- · Replies 7 ·
Charge and potential differnecr in a mixed circuit
- Laxman2974
- · Replies 1 ·
Ice skaters on perpendicular rods: tangential speed and angular momentum
- yellowgators
- · Replies 6 ·
How is the relativity paradox of a spinning wheel resolved?
- Domnu
- · Replies 6 ·
Finding Max Current in an LR Circuit
- purduegirl
- · Replies 8 ·
Velocity of Wave in Twice the Radius String: V = root(Tension/mu) * root2
- lostie100
- · Replies 2 ·
Uniformly Accelerated Projectile Motion
- roam
- · Replies 8 ·
Calculating Electric Field Intensity with Two Spherical Shells
- john88
- · Replies 1 ·
How Do You Calculate Kinetic Energy and Momentum for Spaceships in Motion?
- yellowgators
- · Replies 4 ·
Use Kirchoff's loops rule in the circuit?
- atavistic
- · Replies 6 ·
What are its wavelength and frequency?
- lostie100
- · Replies 1 ·
How Does Newton's 2nd Law Apply to a Skateboard Pushed by a Cane?
- HelloMotto
- · Replies 2 ·
Max Height of Swing in Circular Motion
- ally1h
- · Replies 4 ·
Why Does Centripetal Force Equal Friction in Circular Motion?
- HelloMotto
- · Replies 3 ·
Calculating Induced EMF and Current in a Moving Rod in a Magnetic Field
- purduegirl
- · Replies 12 ·
Coefficient of kinetic friction of a sliding crate
- ally1h
- · Replies 4 ·
Circular Movement Homework: Part A Done, Part B Troubles
- asi123
- · Replies 13 ·
How to Calculate the Work to Charge a Spherical Shell?
- thirteen
- · Replies 4 ·
Understanding Induced Voltage: Circular Coil & Permanent Magnet
- purduegirl
- · Replies 2 ·
How does the magnetic field affect the speed of a particle Experiment
- souseta
- · Replies 2 ·
Question about energy absorption
- huskiehenne
- · Replies 2 ·
Find Frequency for Standing Wave with Joint & Pulley Nodes in Compound Wire
- bodensee9
- · Replies 6 ·
How Much Charge Flows When the Switch is Closed?
- MeKnos
- · Replies 7 ·
2nd law of rotation, merry go round
- Ready2GoXtr
- · Replies 8 ·
Orbiting Earth Aboard a Space Shuttle: Velocity vs Speed
- Rade1990
- · Replies 7 ·
What is the new separation between the charges?
- kdrobey
- · Replies 4 ·
Question About infinitely large charged plate
- BERGXK
- · Replies 8 ·
How Much Work Does Lifting and Pushing a Box Involve?
- jameo15
- · Replies 5 ·
Overcoming Physics Struggles: Girl in Basket
- spacethisride
- · Replies 19 ·
Youngs double slit related problems
- mav_dog
- · Replies 1 ·
Question related to power transmission
- DarkStalker
- · Replies 5 ·
Finding velocity after displacement, and an angle
- spacethisride
- · Replies 2 ·
Index of Refraction in a prism
- purduegirl
- · Replies 7 ·
What Force is Required to Hold Up a Partner on a Swinging Circle?
- spidey12
- · Replies 3 ·
Pressure at the bottom of a container
- Spirochete
- · Replies 1 ·
How Can a Balloon's Volume Increase When Cooled?
- nicksim117
- · Replies 8 ·
Eccentricity of Elliptical Orbit
- cscott
- · Replies 3 ·
Circular Motion, Static Friction
- teenholiday
- · Replies 2 ·
Calculating the tangential component of the force acting on a projectile
- kylera
- · Replies 2 ·
How Does High-Speed Travel Affect Time Perception?
- xquarky
- · Replies 1 ·
Will the Right Mass Rise? A Dynamics Pulley Problem
- devanlevin
- · Replies 5 ·
What is the force required to bring a roller coaster to a stop at point E?
- tascja
- · Replies 10 ·
Tuning an LC Circuit to Span 540 kHz Range
- purduegirl
- · Replies 2 ·
Systems - Girl and Sled - Newton's 3rd Law
- chipper22
- · Replies 1 ·
What angle does it separate from the bowl?
- student24
- · Replies 8 ·
Solving for Electric Potential Energy , given 4 point charges of equal value
- cgaleb
- · Replies 3 ·
Electric Field Problem: Magnitude & Force Calculation for Cell Membrane
- WGDawg3
- · Replies 2 ·
Angled Projectile Motion Question
- xxlvh
- · Replies 13 ·
Inclined Planes; Finding Force of Friction
- mykoolspam
- · Replies 6 ·
How Does Charge Buildup Affect Satellites in Earth's Radiation Belts?
- Laxman2974
- · Replies 3 ·
Calculating Kilograms of Air in a 100m^3 Room | Molecular Weight of Air = 28g
- Bradracer18
- · Replies 5 ·
Interference of waves from two sources.
- nicksim117
- · Replies 19 ·
Quick Question on mass/spring system
- NBAJam100
- · Replies 2 ·
How current changes in metals at different temperatures
- ketchuppy
- · Replies 10 ·
Calculating Electron Count and Net Charge in Water
- WGDawg3
- · Replies 6 ·
How Do Oscillations in Spring-Mass Systems and Rotating Rods Work?
- bodensee9
- · Replies 1 ·
Finding Mass of Sled: Calculate m_S with Given Quantities
- Nitrag
- · Replies 7 ·
Archimedes Principle and bouyant force
- bodensee9
- · Replies 8 ·
How Do You Calculate Ymax and Velocity at Half Ymax Using Energy Conservation?
- student 1
- · Replies 1 ·
Moment of Inertia - Elliptical beam
- Nick89
- · Replies 15 ·
How to Decrease the Electric Field in a Vacuum Photodiode Circuit?
- levi2613
- · Replies 1 ·
How Do You Calculate the Orbital Frequency of an Electron and Positron System?
- nerdgirl909
- · Replies 11 ·
Relating Kinectic energy and momentum
- student 1
- · Replies 2 ·
Force due to currents in parallel wires
- Knissp
- · Replies 1 ·
What is the magnitude and direction of the wreckage after the collision?
- kh_x2
- · Replies 1 ·
B-field of ideal cylindrical solenoid, using Biot-Savart.
- SonOfOle
- · Replies 12 ·
Circuit with Dependent Current Source
- wk1989
- · Replies 3 ·
What is the speed and tension of a wave pulse on a ski gondola cable?
- 0338jw
- · Replies 2 ·
Another Measurement of Speed of Light
- clairez93
- · Replies 2 ·
Most Light Through Polarizing Filters: 0, 45, 90
- solars
- · Replies 3 ·
Measurements of the Speed of Light
- clairez93
- · Replies 4 ·
Child sliding down a frictionless slide
- jfreimer
- · Replies 2 ·
Calculating Magnetic Field of a Large Magnet in a System with a Moving Rod
- gtqueen371
- · Replies 7 ·
How Much More Intense Is Rock Concert Sound Compared to Jazz Fest?
- physicsdawg
- · Replies 1 ·
Question about microphone sound
- physicsdawg
- · Replies 3 ·
Photoelectric effect and current
- solars
- · Replies 6 ·
How do I calculate the equilibrium temperature of a system?
- chukie
- · Replies 6 ·
Current in Top Loop: Increase, Decrease, or No Change?
- chukie
- · Replies 1 ·
Solving for Frequency of Tuning Fork: 1Hz & 3Hz Beats
- physicsdawg
- · Replies 1 ·
How High Will the Soccer Ball Be at the Goal?
- solars
- · Replies 1 ·
Linear momentum conservation - rocket
- Ready2GoXtr
- · Replies 11 ·
Electric Field of Dipole, straight line, ring, disk, shell, and sold sphere
- Dottywine
- · Replies 1 ·
Free Body Diagrams - Finding Acceleration, and tension
- pitaaa
- · Replies 13 ·
Calculating Impedance of 2.80k W Resistor and 4.60mF Capacitor
- purduegirl
- · Replies 5 ·
Finding acceleration in a 1.5 kg and 3.0 kg pulley system
- mykoolspam
- · Replies 13 ·
What is the Effective Spring Constant for a System in Series?
- student 1
- · Replies 5 ·
Ap Physics Questions Me Highlyyy Appreciateddd
- HELP_786
- · Replies 4 ·
Line of charge, Feild on the origin
- K3nt70
- · Replies 34 ·
Applied horizontal force homework
- shakabra
- · Replies 3 ·
Velocity function of a variable force
- Piamedes
- · Replies 7 ·
What is the angular speed of the rotating wheel?
- chamonix
- · Replies 6 ·
Secondary Craters: Kinetic Energy & Ejection Velocity
- Kreizhn
- · Replies 3 ·