Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Rotating rubber wheels made to contact. Find final angular veloctiy
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Solving Spider on the Rod Problem Using Conservation of Angular Momentum
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How Do You Calculate Phase Difference in a Traveling Harmonic Wave?
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Calculating the Average Force on a Meteor Upon Entering Jupiter's Atmosphere
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Angular Acceleration Caused by Axehead on a Rotating Grindstone (Disk)
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Torque Causing Angular Acceleration on a Uniform Disk
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When finding Magnetic Field between two wires
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Potential difference between two infinite cylinders
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Time of approach of two oppositely charged particle
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Rotational Kinetic Energy problem
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Relative Velocity of Two Objects Moving at Different Speeds
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Angular velocity of a solid disk
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Solving a Physics Problem: Boy & Girl on a Frozen Pond
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Does Time Dilation Affect Observations in Baseball?
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Finding Equilibrium: Solving a Black Hole Parking Problem
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How Do You Calculate the Initial Separation Between Two Charged Particles?
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Entropy & Gasoline HW: Answer & Explanation
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Determine bubble volume change with given temperature
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Solving for Displacement when Jamilla Throws a Stone
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Tension in objects in circular motion
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Calculating Force & Accel. From Cell Phone Dropping Homework
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How can simultaneous equations be used to solve two-dimensional motion problems?
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Uncharged spherical conducting shell
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Finding the velocity of a proton at the surface of a conductor
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Static Friction Experiment: Help Result interpretation
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Electric Flux Comparison: Gauss's Theorem and Enclosed Charge
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How Does Adding Nitrogen Affect Pressure in a Sealed Tank?
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Calculating Marble's Fall from a Table Height
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Why the forces in the arch are carried to the ground
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Circuit Question - Driving me crazy
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Oscillation Frequency for Peak Voltage
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How Much Heat is Needed to Raise a Piston in a Heated Ideal Gas Cylinder?
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How can I use similar triangles to find points on a mirror?
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Electrical force between two objects
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Position-Time Graph to Velocity-Time Graph
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Wave intensity at different points
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How Does the Doppler Shift Affect Observations of the Sun's Rotation?
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Does Wave Intensity Change with Distance in Circular Waves?
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Chain and Elastic string problem
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Tension and Hinge Force Problem
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Why Is My Calculated Error for Resonant Frequency So High?
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Tension in and out of water in constant velocity
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How Do You Solve a Grade 11 Physics Projectile Motion Problem?
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Weight of a person on earth vs. weight on a different planet
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Opel GT on Incline: How Much HP Needed?
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How Much Air Escapes from a Heated Compressed Air Cylinder?
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Faraday's Law and Magnetic Flux
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Specific gravity of mystery fluid
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How Do You Calculate the Spring Constant from Work Done?
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How long the ball remains in contact with the ground when dropped
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Equilibrium Question involving Torque
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RC time Circuit; charge of capacitor as a function of time derivation
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Rotating hoop with body fixed inside of same mass
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How Fast Must a Pion Travel to Avoid Decay Over 1.9 km?
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Properties of progressive waves
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Calculate Mass of Ice Cube from Calorimetry Experiment
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Physics Problem: Fnet=ma or Fnet= 0?
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Maximum possible percentage error
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Radius of circular impulse wave in the hemisphere bowl
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What is the magnitude of the electric field?
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What is the path length of a heat-seeking torpedo chasing an aircraft?
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Why is this inelastic collision problem solvable?
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Volume of a helium baloon inside a fridge
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Projectile Motion Challenge Problem
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Motion in a magnetic field and relativity
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Weight of a person on two planets with different masses
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Electric field lines from very long cylinders and thin disks
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What is the Magnetic Flux Exiting a Cube?
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Is the Force Field \vec{F}=f(r)\vec{r} Conservative?
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Density of cylinder, error propagation
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Multiple Choice Kinematics Problem
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Help with translating a D-T graph into a V-T graph
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Calculating Di and Hi for Lawn Sphere Mirror Problem
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How much mass is needed to prevent an object from sliding down a ramp
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Problem regarding concave mirror
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What is the separation between the two surfaces
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Torque problem -- friction force on nail between 2 boards
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Meter stick and rock balancing ?
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Can Adiabatic Processes Be Irreversible?
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Find Magnetic Field from Electric Field Using Maxwell's Equations
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Statics question - change in loading
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Electron revolving in a circular path
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Energy per second transferred by the resultant wave
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Translational and Rotational Equilibrium
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Hall-Petch Relation Calculation?
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Calculating Torque with Vectors at an Angle
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Find the electrical energy supplied in kJ and kWhr
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Continuous Charge Distributions
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Optics - Image formation (lenses)
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Force vectors acted on by two forces
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Converting MPa·mm1/2 to MPa.m1/2: A Scientific Approach
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Finging the charge on each capacitor in series
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Calculate Minimal Speed to Throw Stone from Moon to Earth
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Troubleshooting Trigonometry: Finding Coefficient of Friction on a Slope
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Buoyancy force on object problem
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Isolated Systems, with ##\Delta E_{th}##
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How Can a Satellite Move to a Larger Orbit?
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Equations for finding magnetic force between magnet and solenoid
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How do electrons and positrons collide if both have undefined position
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Calculating the initial speed of an object that decelerates in a ramp.
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