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 Can You Calculate the Altitude of a Satellite Using Gravitational Equations?
- chewtoy929
- · Replies 3 ·
If a proton rebounds at 90 degrees Momentum and elastic collision problem.
- tleave2000
- · Replies 5 ·
Calculating Refractive Index from Critical Angle Measurement?
- aimslin22
- · Replies 2 ·
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 ·