Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Moment of Inertia and two uniform solid spheres
- meganw
- · Replies 4 ·
How Do You Calculate the Near Point Distance for an Unaided Eye?
- ejonesdj
- · Replies 1 ·
What Causes a Bright Spot at the Center in a Newton's Rings Experiment?
- steven10137
- · Replies 3 ·
Factoring Equations with Real Roots
- Benzoate
- · Replies 6 ·
Find the moment of inertia of this disk help
- Quartz
- · Replies 5 ·
How can I find the frictional torque in this moment of inertia lab?
- Erickimiscool
- · Replies 1 ·
How Do You Calculate the Capacitance of C2 After Reconnection?
- salman213
- · Replies 1 ·
Calculating the Mass of C-12 Atom: Homework Solution and Equations
- Physicsissuef
- · Replies 15 ·
Solve Angular Speed of Rotating Rod: Conservation of Energy
- rasensuriken
- · Replies 5 ·
How Is Lift Calculated Using the Bernoulli Principle for an Airplane Wing?
- th3plan
- · Replies 1 ·
Conservation of Momentum: Understanding the Law and Its Applications
- kyin01
- · Replies 5 ·
Calculate RMS current? [SOLVED] Calculate RMS current!?
- lettertwelve
- · Replies 12 ·
Electric Potential of Hydrogen-like ions
- stevenlu
- · Replies 3 ·
Barrier Tunneling and Kinetic Energy
- nickm4
- · Replies 1 ·
Two springs together more elastic?
- ys2050
- · Replies 1 ·
Conservation of Energy and Centripetal Motion Question
- cblack
- · Replies 2 ·
Calculate Torque Balance to Find the Angle of a String
- just.karl
- · Replies 5 ·
Hooke's law - addition of force constant
- ys2050
- · Replies 5 ·
Barrier Tunneling and Kinetic Energy
- nickm4
- · Replies 1 ·
What Determines the Period of Oscillation in an LC Circuit?
- snipaj9696
- · Replies 6 ·
How Does a Duck Help Us Understand Wave Mechanics?
- KudosDude
- · Replies 1 ·
How Does a Horse's Size Influence Its Maximum Speed?
- bcjochim07
- · Replies 1 ·
A Proton is orbiting a metal ball
- cse63146
- · Replies 24 ·
Calculate Position of q2 When Speed is 8m/s Given Two Charges Energy
- salman213
- · Replies 9 ·
Elastic Collisions and Harmonic Motion
- Knissp
- · Replies 4 ·
How Accurate is the Calculated Inductance of 74mH in a Series RL Circuit?
- snipaj9696
- · Replies 1 ·
How Does Covering One Slit Affect the Double Slit Experiment's Fringe Intensity?
- konichiwa3x
- · Replies 1 ·
How High Was the Building From Which the Water Balloon Was Dropped?
- StephenDoty
- · Replies 2 ·
Does acceleration change in non-uniform circular motion?
- jasmaar
- · Replies 3 ·
How Is the Angle Between Two Vectors Determined Using Their Dot Product?
- StephenDoty
- · Replies 2 ·
Work done in a Gravitational Feild of a Hemisphere
- Himanshu
- · Replies 1 ·
Do Balls X and Y Conserve Momentum and Energy in an Elastic Collision?
- Herzbog
- · Replies 7 ·
How Do You Solve Projectile Motion Problems Involving Angles and Heights?
- TheKovac
- · Replies 2 ·
Conservation of momentum and frictionless ice
- StephenDoty
- · Replies 11 ·
How Do You Calculate the Force Constant of a Copper Wire Using Young's Modulus?
- dazza67
- · Replies 2 ·
Calculating Spring Constant from 52N Force and 0.73m Stretch
- StephenDoty
- · Replies 6 ·
Radioactive Decay of Element 82-214
- xinlan
- · Replies 3 ·
Work done by stretching a STring
- nickclarson
- · Replies 3 ·
Applying Kirchoff's Law in an R-L circuit with parallel resistors
- amolv06
- · Replies 4 ·
Simple Harmonic Oscillator and period
- Knissp
- · Replies 1 ·
Find Equivalent Inductance for 3 Inductors: 6mH, 8mH, 6mH
- snipaj9696
- · Replies 1 ·
Does Mass Affect Velocity in Collisions?
- StephenDoty
- · Replies 7 ·
Thin film red light green light interference
- arod2812
- · Replies 1 ·
Protons, Neutrons, and Electrons
- elephantorz
- · Replies 4 ·
Conservation of momentum and Impulse
- leftyguitarjo
- · Replies 7 ·
Induced Emf circular loop of wire
- Gear300
- · Replies 4 ·
What Is the Magnitude of Satellite Acceleration Due to Gravity?
- Cursed
- · Replies 2 ·
Elastic Potential Energy and SMH
- Roze
- · Replies 3 ·
Kinetic Energy Calculation for Alpha Particle Emission in Nuclear Reaction
- Elvis
- · Replies 1 ·
Applying Pascal's Law to a Hydraulic Lift Problem
- djc88
- · Replies 4 ·
Calculating Alpha Particle Velocity from Initial Nucleus Motion
- Elvis
- · Replies 1 ·
Calculating Block Rise & Rocket Course Change: Help Needed!
- Elvis
- · Replies 1 ·
Determine the specific latent heat of vaporization of water
- series111
- · Replies 1 ·
I am slipping off my spinning disc-
- Toododd
- · Replies 6 ·
Doppler Effect Submarine Problem
- madchemist
- · Replies 30 ·
Finding the CG of a System with m1 & m2
- vscid
- · Replies 1 ·
Locating Image on Retina with Focal Length 0.020m
- Air
- · Replies 3 ·
Examining Forces in a Symmetric Building
- iamwilson
- · Replies 1 ·
Find the ratio of mass spring, oscillation problem
- th3plan
- · Replies 9 ·
Calculating Final Temperature and State When Mixing Ice and Water
- DBW3
- · Replies 2 ·
Minimum Height for Roller Coaster Loop Success
- rsala
- · Replies 9 ·
Hooke's Law, three serial springs
- Lore
- · Replies 7 ·
Solving Closed Pipe Question: Length Difference of 2 Pipes
- pebbles
- · Replies 1 ·
A question about Magnetic Fields and A Charge
- Hevonen
- · Replies 4 ·
Calculating Volume of Mercury Displaced by a Tanker on a Different Planet
- Milad_1989
- · Replies 9 ·
Cons of Momentum: Calculating Speeds
- iamkristing
- · Replies 1 ·
How Much Force Keeps a Satellite in Orbit at Three Earth Radii?
- chiurox
- · Replies 1 ·
Finding V_meter in a Battery Circuit
- viperassasin
- · Replies 1 ·
How Does a Voltmeter Measure Voltage in a Circuit with Internal Resistance?
- viperassasin
- · Replies 1 ·
Rocket Explosion: Min & Max Final Speed
- iamkristing
- · Replies 2 ·
What is the Direction of Current Flow in a Parallel Conducting Wire?
- eps1lon
- · Replies 15 ·
Solved: Rotational Dynamics | Angular Speed=3.1 rad/sec
- iamkristing
- · Replies 4 ·
Finding Magnetic Field: A Circular Path Challenge
- lettertwelve
- · Replies 8 ·
What is the altitude of the plane?
- jrzygrl
- · Replies 11 ·
Calculating Work: Doubling and Halving Velocity of a 40 Kg Wagon
- nikechristo
- · Replies 3 ·
Find the applied force to cause a body to tip over
- preet
- · Replies 3 ·
Steam turbines, maximum amount of work done?
- pp84
- · Replies 3 ·
Rigid Object Under Torque: Solving for Time and Number of Revolutions
- elkedoring
- · Replies 2 ·
Electric Field of a Charged Spherical Shell: Inside and Outside Analysis
- tronter
- · Replies 3 ·
How Is Voltage Across a Capacitor Determined in a Bridge Circuit?
- Kaoi
- · Replies 7 ·
Calculate Gravitational Force at Distance R/2.41 from Star 1
- grouchy
- · Replies 6 ·
Problem on beats homework problem
- riddhish
- · Replies 1 ·
How Do You Calculate Projectile Motion for Different Launch Angles?
- michaeljjt
- · Replies 1 ·
Ladder and wall Statics problem
- jcampo
- · Replies 1 ·
Conservation of Momentum of astronaut
- jonnejon
- · Replies 1 ·
Derivation of moment inertia formula
- Quartz
- · Replies 1 ·
Moment of Inertia of Disk with Off-Center Hole
- Quartz
- · Replies 1 ·
Polarity of Wire: North/South Poles?
- ritwik06
- · Replies 6 ·
Heating Mineral Water to 60°C Using Plain Water at 100°C
- dogcat
- · Replies 2 ·
Understanding Circular Motion: The Importance of F=(mv^2)/r in Mass Spectrometry
- v_pino
- · Replies 2 ·
Conservation Of Mechanical Energy
- tizzful
- · Replies 6 ·
Period of mass M hanging vertically from a spring
- yasar1967
- · Replies 2 ·
Moving electron in a uniform magnetic field
- zinc79
- · Replies 3 ·
Help~ tmolo test i cant figuar out this
- skyliner34
- · Replies 1 ·
Center of Mass of Earth-Moon-Sun System During Full Moon
- Hybr!d
- · Replies 6 ·
Magnetic field of uniform strength at all points inside a solenoid?
- fiziksfun
- · Replies 1 ·
How Do You Calculate Buoyant Force on an Iceberg?
- Milad_1989
- · Replies 2 ·
How Does a Hydraulic Lift Maintain Equilibrium?
- jrouse33
- · Replies 1 ·
Can Adding Ice and Steam Change Water Temperature?
- jayphysics
- · Replies 2 ·
What is the current in this circuit?
- SuxAtPhysics
- · Replies 3 ·