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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Calculating Final Velocity with Constant Force
- mortho
- · Replies 6 ·
Struggling With Physics: Units of Periods Needed
- altec121
- · Replies 2 ·
What is the equation for finding the velocities of colliding masses?
- Joza
- · Replies 4 ·
Static friction question with no mass
- kirstynl
- · Replies 2 ·
Radioactive reactions -half-life Decay physics 30
- cathoderay
- · Replies 3 ·
How Does a TV Use Electric Fields to Control Electron Beams?
- krosenberg
- · Replies 1 ·
Calculating Fire Distance with Friction and Mass
- PPMC
- · Replies 3 ·
Finding Critical Angle: A Freshwater Pond Problem
- Liger20
- · Replies 2 ·
How Many Turns are on the Secondary Coil of a 240V to 15V Transformer?
- johnabruzzi
- · Replies 2 ·
Does the Rocket Equation Accurately Describe Net Force?
- cashman91
- · Replies 13 ·
Velocity Problem Regarding a Car Overtaking a Truck
- aguila
- · Replies 2 ·
What is the Impulse Delivered by an Elevator to a Moving Package?
- teenidle
- · Replies 2 ·
Calculating Friction Coefficient with 40 N Force and 5 kg Box
- kirstynl
- · Replies 4 ·
Adding Vectors and Calculating Resultant Force
- rejz55
- · Replies 6 ·
Relationship between Pressure of Gas and Mechanical Work
- PPMC
- · Replies 16 ·
Desperatly , have no idea where to start
- pacostames101
- · Replies 6 ·
Electrostatic Potential in Electric Fields
- krosenberg
- · Replies 7 ·
Conductors and Equipotential Lines - Fun
- fatcat39
- · Replies 4 ·
How Do Physics Principles Enhance Football Helmet Safety?
- qotsa17
- · Replies 6 ·
What Simple Calculus Question Can Drive a 4000-Word Exploration?
- PPMC
- · Replies 7 ·
Determining coefficient of friction
- quasar7744
- · Replies 7 ·
Calculating Acceleration of Helium Balloon
- cammarata123
- · Replies 11 ·
What is the tension in the line holding a helium-filled balloon?
- clutchstrike
- · Replies 7 ·
Force acting on wedge and block
- Joza
- · Replies 1 ·
How Does Elevator Motion Affect Pendulum Period?
- sheepy
- · Replies 3 ·
Is the Calculated Tension in the Upper String Correct for a Stationary Ball?
- Joza
- · Replies 18 ·
Projectile Motion: Calculating Angle & Max Height for India to America
- sadhu
- · Replies 6 ·
Solve Tension in a Line: Get Answer & Explanation
- mrlucky0
- · Replies 2 ·
Solve Uncertainty of Pi: Volume of Cylinder
- rejz55
- · Replies 5 ·
How Does Impulse Affect the Velocity of a Block?
- teenidle
- · Replies 1 ·
How Can We Accurately Determine the Number of Small Marbles in Each Bag?
- nothing123
- · Replies 6 ·
Calculating Temperature & Heat Transfer with a Piece of Metal
- always_smile
- · Replies 1 ·
Calculating Proton Speed in an Accelerator and Repulsive Force at 8 x 10^-14 m
- cathoderay
- · Replies 2 ·
How Is Torque Calculated for a Bucket on a Cylinder?
- BunsenBurner1
- · Replies 3 ·
Baseball Problem: Does a Ball Hit the Roof? Answer Here!
- jfeelz33
- · Replies 1 ·
M1 Friction Help - Find the Minimum Tension
- CathyLou
- · Replies 14 ·
Gravitation & Escape Speed - Stone leaving Earth and reached the Moon.
- Icetray
- · Replies 32 ·
Spring Elastic Potential Energy
- Icetray
- · Replies 10 ·
How Does Acceleration Affect Motion on an Inclined Wedge?
- Fermat
- · Replies 5 ·
Equilibrium of Cylinder with two liquids at either side
- ron_jay
- · Replies 1 ·
Help Needed in Pressure and Kinetic theory of GAses
- metalInferno
- · Replies 12 ·
How Should the Radius Change for Higher Speeds on Banked Circular Ramps?
- watsup91749
- · Replies 3 ·
Calculate the velocity of the boat
- MIA6
- · Replies 5 ·
Solving Distance Problem: Firework Explosion
- quasar7744
- · Replies 6 ·
Why does sound travel faster in warm air?
- Crazyevox
- · Replies 2 ·
What is the rate at which mechanical energy is dissipated?
- Rubidium
- · Replies 3 ·
Follow up for question i found on this forum please read
- atotheizzl09
- · Replies 1 ·
Frictionless Roller Coaster Problem
- danrochester
- · Replies 6 ·
How Do Charges Distribute in Series-Connected Capacitors?
- i_island0
- · Replies 55 ·
Independent research - paintball
- trigiani
- · Replies 3 ·
Vf = 0.88 m/s Solving Momentum Question: 82kg Girl & 46kg Boy on Skateboard
- niki4d
- · Replies 6 ·
Seriously? Moment of Force about a specified Axis
- Saladsamurai
- · Replies 4 ·
How Do Kirchhoff's Laws Determine Currents in Electrical Circuits?
- rock.freak667
- · Replies 3 ·
AP Physics Problem: Need Help Solving! | View the Question Now
- atotheizzl09
- · Replies 3 ·
Help with ap physics studying problem
- atotheizzl09
- · Replies 1 ·
How quickly will a can sink in water with a small hole at the bottom?
- i_island0
- · Replies 3 ·
Do You Understand Buoyant Forces in Water?
- dtcool2003
- · Replies 11 ·
Relating Time and Temperature Change in a Closed System with Constant Volume
- Rubidium
- · Replies 3 ·
Energy needed for pluto to escape earth surface
- jperk980
- · Replies 6 ·
Need Help With Guass Laws and Amperes Law
- AdiV
- · Replies 12 ·
Principle of Moments in Statics: Solving for Forces and Signs
- Saladsamurai
- · Replies 17 ·
Law of gravitation and net gravitational force
- jperk980
- · Replies 15 ·
Physics 30 Matteri would apresiate some help on this question
- cathoderay
- · Replies 2 ·
How Do You Calculate the Final Kinetic Energy of a Jet-Powered Train?
- eagles_reciever
- · Replies 6 ·
Calculating Force Generated by Gas Powered Launcher
- Quaboble
- · Replies 8 ·
Use conservation of energy, find out velocity, then find distance?
- MIA6
- · Replies 3 ·
Angle to Drop a Package from Airplane
- mrlucky0
- · Replies 2 ·
Please help me with the calculation from Physics
- DEWANA
- · Replies 6 ·
Investigating the effect of magnetic force on a current carrying wire
- jdiamonddiva
- · Replies 20 ·
Having a hard time with visual of FBD
- Saladsamurai
- · Replies 13 ·
How to Calculate Torque in a Hydraulic Brake System
- sun
- · Replies 3 ·
Calculating Acceleration of a Spherical Shell
- nurjamali
- · Replies 2 ·
Law of Conservation of Mechanical Energy
- WiFO215
- · Replies 3 ·
Problem involving Newton's Law of Gravitation
- collide
- · Replies 6 ·
Absorption Spectra: How is a Continuous Spectrum Possible?
- Oerg
- · Replies 6 ·
How Far Did the Basketball Player Shoot from the Basket?
- mcbulldog
- · Replies 4 ·
What is the solution for the damped free vibration of a string?
- neelakash
- · Replies 6 ·
How Is Work Calculated When Pulling a Wagon?
- danrochester
- · Replies 4 ·
Given: coefficient kinetic and coefficient static frictions
- Edwardo_Elric
- · Replies 2 ·
Physics Problem: Work Done by Friction w/ Bullet & Wood
- rajkirann
- · Replies 2 ·
Sticky Collision with Clay Ball and Rod
- Squashy
- · Replies 3 ·
Why Do Accelerations Differ in These Atwood Machine Configurations?
- ron_jay
- · Replies 7 ·
Solving FBD with No Angle Given
- Saladsamurai
- · Replies 14 ·
Analyzing an Oscillating Slingshot System
- GreenLantern674
- · Replies 11 ·
If you've already taken the AP Physics C Examination
- Gear300
- · Replies 1 ·
Minimum Force to Prevent Slipping Down Plane
- cryptoguy
- · Replies 4 ·
Coulomb's Law Question with Charges on x-axis
- Sabellic
- · Replies 2 ·
What is the torque on a crate being carried up stairs at an angle?
- Niles
- · Replies 15 ·
Calculating Average Acceleration and Force of Dragster and Driver
- rr92890
- · Replies 7 ·
Capacitors: [SOLVED] Clearing Up Confusion | Check Your Solution Here
- i_island0
- · Replies 10 ·
Desperately Seeking Modelling Help: Expert Assistance for Homework Questions
- magicuniverse
- · Replies 4 ·
Calculating the final velocity of a compressed-air launched projectile
- swbluto
- · Replies 4 ·
Can plastic allow me to see magnetic fields and where can I find it?
- KLE xy
- · Replies 3 ·
Finding projected force along line
- Saladsamurai
- · Replies 15 ·
What is the controversy- current and resistance
- i_island0
- · Replies 11 ·
Average acceleration of Suzie stopping with roller blades
- rr92890
- · Replies 5 ·
Distance To Center of Earthquake?
- mrlucky0
- · Replies 2 ·
What is the angle of projection?
- cryptoguy
- · Replies 4 ·
Proving Circle Symmetry through Rotation: Understanding the Equations
- raintrek
- · Replies 8 ·
Calculate Recoil Velocity: 4.85kg Stone & 102kg Canoe
- Jacque77
- · Replies 2 ·