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 relationship between voltage and resistance in a circuit?
- mino206
- · Replies 5 ·
Hit the Monkey? Prove it with Algebra and Physics
- agni365
- · Replies 11 ·
Determining Impact Time of a Ball given Launch Velocity
- rocomath
- · Replies 1 ·
Solve Homogeneous Ladder Problem - Max Height Reachable
- madahmad1
- · Replies 6 ·
Is This Approach to Solving Wrench Reduction Correct?
- Saladsamurai
- · Replies 2 ·
Calculating Change in Entropy: 1.124J Heat Added to Gas at 300K [Solved]
- boburd21
- · Replies 5 ·
What Determines the Validity of Modeling a Wire as a Line of Charge?
- liathano
- · Replies 3 ·
Is the Force on Box A Correctly Calculated?
- Precursor
- · Replies 2 ·
How Do You Convert Linear Momentum to Angular Momentum?
- foxjwill
- · Replies 1 ·
Calculate p and q for Multiplying Vectors
- rocomath
- · Replies 4 ·
Voltage Drop Across Indicator Lamp
- Lhawx
- · Replies 1 ·
Graphing a quantitatively accurate v vs. t
- Johny 5
- · Replies 2 ·
How Do You Calculate Final Velocities in a Spring-Mass System?
- getupforletdo
- · Replies 2 ·
Calculate Energy Loss from Parachutist Jump
- petern
- · Replies 7 ·
How to Calculate Heat Required to Double Internal Energy of Helium Gas?
- boburd21
- · Replies 7 ·
Physics Homework Help - Answers to Problems
- madahmad1
- · Replies 1 ·
Frequency of Vibration for a Block Supported by Two Springs
- Big-J
- · Replies 2 ·
Understanding Parallel Force: Definition, Equation, and Examples
- BrooklynBees
- · Replies 3 ·
What is the final charge on sphere 2?
- soccerj17
- · Replies 4 ·
Acceleration of gravity at pendulum
- Aamun
- · Replies 5 ·
Solving for Seesaw Balance: Mass and Distance Relationship
- BrooklynBees
- · Replies 4 ·
How Is Delta-V Calculated for De-orbit Maneuvers?
- davo
- · Replies 1 ·
Thermo Problem Get the Answer Now
- plmokn2
- · Replies 1 ·
Question about Newton's 3rd law
- nosecs411
- · Replies 1 ·
Why Are Rubbed Plastic Pieces Attracted to Each Other?
- fiziksfun
- · Replies 1 ·
Electricity and revolutions per second
- abeltyukov
- · Replies 4 ·
Kinetic and Potential Energy of Falling Objects
- submar1ney
- · Replies 10 ·
I think the Geometry is what is getting me
- Saladsamurai
- · Replies 8 ·
Solve Physics Questions: Acceleration & Tension of 2 Bodies
- madahmad1
- · Replies 1 ·
How Does the Coriolis Force Affect a Northbound Plane's Flight Path?
- karnten07
- · Replies 1 ·
Physical pendulum with air friction
- congman
- · Replies 7 ·
How much energy is released in the explosion?
- Joza
- · Replies 9 ·
How Does a Sphere's Speed Affect Its Climb on an Incline?
- madahmad1
- · Replies 1 ·
Kinetic Energy at 120 mph: Find Your Answer Here
- samsam
- · Replies 4 ·
Minimum Work for Pulling and Pushing
- mrlucky0
- · Replies 9 ·
Electron Proton Collisions and Electron Capture
- nokia8650
- · Replies 1 ·
Excitation of an electron by a photon
- nokia8650
- · Replies 2 ·
How Can We Prove the Time Period Formula of a Simple Pendulum?
- Michaelcarson11
- · Replies 1 ·
What is the velocity of the bullet at impact with the wooden block?
- rabar789
- · Replies 6 ·
Help with Friction Related Problem
- physixguru
- · Replies 3 ·
What Is the Initial Velocity Angle of a Projectile at 75% of Its Maximum Height?
- rejz55
- · Replies 5 ·
How to treat BULBS in circuits?
- lollol
- · Replies 10 ·
What is the resultant force direction?
- JLPhysics
- · Replies 3 ·
How to Calculate Velocity and Time in a Particle's Motion Along the x-Axis?
- physixguru
- · Replies 2 ·
Magnetic Force on High Voltage Power Line: Calculate Direction & Magnitude
- physicsed
- · Replies 2 ·
Projectile Motion Problems: Solving for Time with Given Initial Speed and Height
- Sophialiu609
- · Replies 17 ·
What is the location of the second and third water drops in a falling shower?
- rocomath
- · Replies 5 ·
How Do You Solve Kinematics Problems Involving Movement and Acceleration?
- vertciel
- · Replies 8 ·
Solving Work Energy Problems: Calculating Distance Using Friction and Velocity
- micaele
- · Replies 17 ·
Center of gravity: Really confused (HW problem)
- Izzybee
- · Replies 4 ·
Number of photons emited physics 30
- cathoderay
- · Replies 11 ·
How Is Tension Calculated in Tarzan's Rope Swing?
- petern
- · Replies 17 ·
Max Acceleration for 10kg Package: Physics Homework Solution
- MoreZitiPlease
- · Replies 3 ·
Solving a Ladder Problem: Finding Max Tension in a Rope
- Clipse
- · Replies 3 ·
How Do You Convert Forces into a Wrench in Vector Mechanics?
- Saladsamurai
- · Replies 1 ·
Solving Momentum Collision Problems
- Ginerva123
- · Replies 1 ·
Circuits questions help( supposedly they are easy.)
- rock.freak667
- · Replies 1 ·
Calculating Proton's Closest Approach to a Line of Charge
- totalmajor
- · Replies 2 ·
Some of my Winter Break physics problems
- totalmajor
- · Replies 11 ·
How Do Fluid Forces Affect a Swimming Pool's Structure?
- jenha14
- · Replies 1 ·
Open loop gain of an operational amplifier
- fickle
- · Replies 1 ·
Where can I find the centre of mass in a 3D co-ordinate system?
- smriti
- · Replies 3 ·
A block hits a patch of friction
- stormgren
- · Replies 6 ·
Rotational Motion (Inclined Plane)
- Izzybee
- · Replies 6 ·
How Do You Solve These Physics Problems on Motion and Vectors?
- alksjadf
- · Replies 3 ·
Equilibrium Ball attached to wall problem
- brendan3eb
- · Replies 2 ·
Is This Formula for Calculating the Sun's Height Above the Horizon Correct?
- Irid
- · Replies 9 ·
Simple Harmonic Motion of a body
- v_pino
- · Replies 1 ·
What Would Happen if Mass Was Negative?
- Sane
- · Replies 10 ·
How Fast Must a Bullet Travel to Swing a Pendulum Bob Through a Complete Circle?
- jigs90
- · Replies 5 ·
Relate Equations 4.6, 4.7, 4.8 for Refraction Angles | Physics
- kimaru08
- · Replies 6 ·
Work and Electrostatics - a bit of Clarification, please
- fatcat39
- · Replies 3 ·
Checking Basic Physics Problems: Torque, Balance, and Work
- BunsenBurner1
- · Replies 8 ·
Help with Laws of Motion Problem
- physixguru
- · Replies 4 ·
Why Is Light Not Refracted at the Planar Edge of a Planoconvex Lens?
- slakedlime
- · Replies 10 ·
Solving Radioactive Decay: Half-Life, Muons & Lorentz Transformation
- timothy123
- · Replies 3 ·
Resultant Math Help: Compute 3rd Force
- rejz55
- · Replies 8 ·
Solving Refraction Puzzles: Coin Depth & Convex Lens Image
- zimrock
- · Replies 2 ·
Misconceptions in Calculating Power Dissipation in Electrical Circuits
- Gunman
- · Replies 3 ·
Calculating Coefficient of Friction on Incline Pulled at Constant Velocity
- BunsenBurner1
- · Replies 8 ·
Absolute pressure at an ocean depth
- jenha14
- · Replies 1 ·
Find the radius of each circular path
- Canuck269
- · Replies 1 ·
Find Initial Angular & Linear Accel. of Rod w/ Mass M, Length L
- Gear300
- · Replies 10 ·
Reduction of resultant Moment/Force
- Saladsamurai
- · Replies 1 ·
How Does Water Affect the Weight of a Submerged Aluminum Plate?
- autoguy
- · Replies 3 ·
Basic Electric Field and Symmetry Problem - help
- fatcat39
- · Replies 16 ·
Can You Determine the Volume or Mass of a Submerged Cube Using a Scale?
- nonequilibrium
- · Replies 12 ·
I don't understand why that is correct.
- rejz55
- · Replies 3 ·
Momentum of Ball: Find Initial Velocity & Mass
- mortho
- · Replies 17 ·
Find Field and Direction in Coaxial Coils
- Canuck269
- · Replies 2 ·
Friction Questions: Concepts & Answers
- desichick07
- · Replies 1 ·
Acceleration of Block on an Apparatus
- mrlucky0
- · Replies 22 ·
What is the acceleration of a girl on a skateboard throwing a bowling ball?
- MoreZitiPlease
- · Replies 9 ·
Theoretical Question: Is W = PE?
- Goldenwind
- · Replies 2 ·
Conservation of Energy softball pitcher
- nickhassan38
- · Replies 3 ·
Calculating Momentum of a Thrown Ball of Dough - Step-by-Step Guide
- mortho
- · Replies 3 ·
Calculating Force from Pole-Vaulter's Fall onto Foam-Rubber Pad
- mortho
- · Replies 3 ·
Interpreting Distance-vs-Time and Accel-vs-Time Graphs
- rejz55
- · Replies 4 ·
How Do Forces and Motion Affect a Baseball When Hit by a Bat?
- MoreZitiPlease
- · Replies 1 ·
What is the constant force exerted on a ball by a wall during a collision?
- mortho
- · Replies 4 ·