Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What Is the Maximum Speed of the Oscillator?
- nweis84
- · Replies 2 ·
How Does Torque Affect Tensions in an Atwood's Machine with a Massive Pulley?
- sungju1203
- · Replies 1 ·
How Far Will the Sled Travel from the Cliff?
- Todd88
- · Replies 1 ·
How Do I Balance Forces and Torques in Static Equilibrium Problems?
- vivekfan
- · Replies 11 ·
Approximate Maximum Deflection Of Beam
- Melqarthos
- · Replies 3 ·
Calculating Torque for Helicopter Blade Rotation
- 9giddjl
- · Replies 2 ·
Orbitting electron moved to Magnetic Field
- Dopefish1337
- · Replies 4 ·
Conservation of energy of a toboggan problem
- Todd88
- · Replies 6 ·
Mass Spectrometer: Separating Ions & Calculating Energy
- llabesabusp
- · Replies 1 ·
Gravitation and the Principle of Superposition
- peaceandlove
- · Replies 4 ·
Proving that this equation goes through the points
- unknown101
- · Replies 18 ·
Momentom question. But Hard one:O
- remaan
- · Replies 5 ·
Change in gravitational potential energy of four particles in a square
- peaceandlove
- · Replies 1 ·
Torque in wheelbarrow, bicycle gears, and steel girder
- nsingh947
- · Replies 1 ·
Mechanics 3 - Further kinematics
- mr bob
- · Replies 6 ·
Rotational speed of minute and second hands on a clock
- nsingh947
- · Replies 2 ·
Harmonic Oscillation: Proving Distance = 4A
- nns91
- · Replies 3 ·
Minimum Angular Speed to start SLIPPING BEFORE ROLLING WITHOUT SLIPPING
- Ransalu
- · Replies 1 ·
When Should You Launch Your Rocket to Mars?
- Newtime
- · Replies 10 ·
How Long Does It Take for Alpha Particles to Complete One Orbit in a Cyclotron?
- eaw07
- · Replies 1 ·
Masses of Binary Stars: Calculate from Motion
- fball558
- · Replies 1 ·
What Went Wrong in Solving the Energy Equation Problem?
- Ut Prosim
- · Replies 4 ·
Circular motion problem (A2 level)
- breen155
- · Replies 8 ·
Why Can't the Power Rule Be Used for the Derivative of Velocity Squared?
- sin2beta
- · Replies 1 ·
Two bodies with equal momenta on frictionless incline
- remaan
- · Replies 28 ·
Total energy of bead on parabolic wire with elastic attachment
- Set Abominae
- · Replies 13 ·
Conceptual conservative problem
- tnutty
- · Replies 1 ·
Solving √((x+2)/(x-2))=1/2 for x
- toodey
- · Replies 1 ·
Time Harmonic Maxwell's Equations
- Iamgod
- · Replies 2 ·
Thermodynamics, two engine device
- zandbera
- · Replies 6 ·
Is a warren truss with 20 joints statically determinate on two supports?
- mathsgeek
- · Replies 14 ·
Calculating force required to keep pendulum in motion
- starcrossed
- · Replies 3 ·
Current produced by a single charge moving in a circlular motion
- Benkyou
- · Replies 3 ·
Static equilibrium - quarry crane
- ch010308
- · Replies 2 ·
Fletcher's apparatus: mass vs acceleration slope in Newton's Second Law
- qszwdxefc
- · Replies 3 ·
Hanging mass from angled strut with cable support
- shadowice
- · Replies 1 ·
How Does Pressure Affect the Buoyancy of a Hollow Spherical Bobber?
- jabbie3
- · Replies 1 ·
Electric field across a parallel plate capacitor
- johnj7
- · Replies 4 ·
Solving Kirchoff's Rules - Circuit Analysis Practice
- jessedevin
- · Replies 2 ·
Maximum Acceleration for Flatbed Truck with Jet-Powered Crate
- Antendo.
- · Replies 3 ·
Understanding Area Moment of Inertia for Shaft Design
- Saladsamurai
- · Replies 2 ·
Maxium Allowable Current to (+/-) 2% ?
- Melqarthos
- · Replies 2 ·
An interesting problem in electrostatics.
- the-genius
- · Replies 8 ·
How to calculate the magnetic induction of ferromagnet
- yunaijun
- · Replies 3 ·
Problem about binary star system
- yoyoz41
- · Replies 16 ·
Protons delivered per second in a proton beam
- mjolnir80
- · Replies 1 ·
How Does Magnetic Force Affect a Wire in a Field?
- sdevoe
- · Replies 3 ·
Find t: Solving a Physics Problem with y = 0
- lespommes
- · Replies 1 ·
Basic problem regarding doppler effect of light (E/M waves)
- phys-lexic
- · Replies 4 ·
Angular momentum of a particle system
- jhu2011
- · Replies 2 ·
Find the change in focal length
- lha08
- · Replies 1 ·
When finding Angular Acceleration
- queenspublic
- · Replies 1 ·
Understanding Angular Momentum: A Brief Explanation of Vector Cross Products
- queenspublic
- · Replies 4 ·
Calculating Speed of Camaro in Escort-Camaro Collision
- EmoryGirl
- · Replies 9 ·
Acceleration (with and without friction)
- tascja
- · Replies 1 ·
Physics equation for sound production in drums
- Keeez
- · Replies 4 ·
How Does Changing Planetary Size and Orbit Radius Affect Gravitational Forces?
- nns91
- · Replies 11 ·
Solving Quick Momentum Problems: Equal Force and Stopping Time Comparison
- lubuntu
- · Replies 2 ·
Trigonometry Practice: Solving for Force with Angles and Vectors
- Dannystu
- · Replies 1 ·
Does electron potential energy increase or decrease moving toward the field source?
- da_coolest
- · Replies 1 ·
Ball tied to string- centripetal force
- Dannystu
- · Replies 2 ·
Power Dissipation in Resistors: P31.52
- Phoenixtears
- · Replies 5 ·
Satellite at 90% of Earth-Moon distance experiences no net gravitational force
- JorgeLuis
- · Replies 3 ·
Calculating wind speed with respect to an airplane
- kvandeaver
- · Replies 1 ·
How Does Kinetic Friction Affect the Block's Motion on an Incline?
- Imuell1
- · Replies 1 ·
How Does Newton's Cradle Demonstrate Conservation Laws in Physics?
- tnutty
- · Replies 3 ·
Building the Fastest CO2 Car for School Project
- shnarg
- · Replies 3 ·
How Do You Calculate Charge and Electrons for a Hair Dryer Drawing 9.7 A?
- aznangelcakes
- · Replies 4 ·
Solve Transient Analysis Problem: Find I0
- php
- · Replies 1 ·
A Level Coursework - Resistivity
- coolnufc
- · Replies 3 ·
Historical context for resistivity of wire coursework
- eclipse17
- · Replies 3 ·
Proton moving in magnetic field
- sdevoe
- · Replies 4 ·
What Is the Maximum Speed to Navigate a Banked Curve Without Sliding?
- man00war
- · Replies 2 ·
How Long for Potential Difference to Reach 50 Volts in an Oscilloscope?
- sdevoe
- · Replies 1 ·
Basic Physics Problem: Acceleration and Tension of Connected Blocks"
- kikisf20c
- · Replies 1 ·
Calculating Distance for Horizontal and Vertical Movements
- Mathysics
- · Replies 1 ·
TOUGH Static Equilibrium Question
- Hotsuma
- · Replies 1 ·
Heavily Damped Simple Harmonic System - How To Start?
- phyzmatix
- · Replies 4 ·
How Much Energy Does a Light Bulb Receive After a 12C Charge Passes Through?
- SussRuss
- · Replies 8 ·
Determine the horizontal distance travelled during its motion
- Ry122
- · Replies 10 ·
Simple Harmonic Motion of a mass hanger
- peaceandlove
- · Replies 1 ·
Strength of magnetic field at a point
- erinec
- · Replies 1 ·
What is the Maximum Speed of a Porsche 944 Turbo at Full Power?
- acws337
- · Replies 1 ·
Diffraction grating and wavelengths
- dimpledur
- · Replies 11 ·
How Are Capacitance and Inductance Inversely Related in Electromagnetism?
- Oscar6330
- · Replies 1 ·
Solving Doublet Slit Problem: Find Wavelength of Laser 2
- noellcm
- · Replies 1 ·
Are the resistors in circuit A in series or parallel?
- jumbogala
- · Replies 1 ·
What Minimum Height Ensures a Marble Stays on a Loop-the-Loop Track?
- ghostcloak
- · Replies 14 ·
What was the electron's initial speed?
- rayhan619
- · Replies 6 ·
Distance between parallel planes?
- LaraCroft
- · Replies 1 ·
Calculating Force on a Bouncing Ball
- fball558
- · Replies 4 ·
Exploding Spaceship: Calculating Velocity and Energy
- rishabh_k
- · Replies 1 ·
Torque needed to accelerate a merry-go-round with children
- teachmeplease
- · Replies 2 ·
What is the electric field strength?
- rayhan619
- · Replies 1 ·
Roller Coaster-Gravitational potential
- Dannystu
- · Replies 5 ·
Calculate Unknown Resistance in Parallel Circuit
- Bryster77
- · Replies 1 ·
Electromegnetic induction unerstanding changing flux
- patelpalak
- · Replies 1 ·
Center of mass of a human leg model
- driftk
- · Replies 1 ·
What is the magnitude of the frictional force?
- soul5
- · Replies 4 ·
Can a diverging lens form a real, erect image larger than the object?
- lha08
- · Replies 1 ·