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.
Calculating Acceleration of a Flywheel: Tangential, Radial, and Resultant
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Solve Angular Velocity of Circular Platform with 73.3kg Student
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How Is Energy Dissipated by Friction Calculated in Physics Problems?
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Centripetal force and friction
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Impulse and average force of baseball
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How Much Ice Melts When a Bullet Penetrates It?
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Projectile Motion: Finding Time and Maximum Height
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Understanding Forces in a System
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Is Point P in Young's Double Slit Experiment the Center of the Central Minimum?
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Gravitational Force Homework: Solving for Distance
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How Does the Potential of a Coalesced Drop Compare to Its Original Drops?
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Angular Speed of Electric Toothbrush Head: 795.49rad/s
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During a solar eclipse calculate forces.etc
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How Do Atoms of Element Q Absorb or Emit Specific Photon Frequencies?
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What is the speed of the block after this displacement?
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Relative Velocity: Al & Bob's Trip to Ted's Place
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Work Done in Walking: Explained
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Where is the fulcrum located in this simple torque problem?
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How Is a Skier's Gravitational Potential Energy Affected by a Mountain Lift?
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Solving for Speed of Extreme Skier Descending Mountain
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Decay equations: Given A0 & At, find half-life, lambda and N0
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Calculating Change in Gravitational PE for 70 kg Skier
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How Do You Determine the Tension in Cable ABD and the Reaction at Support C?
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How do I get a formula that finds the initial velocity with height in it?
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Why is Work Done When Walking Upstairs But Not Horizontally?
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Determine the speed at which the water leaves the hole
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Simple sound intensity difficulty
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Mechanical conservation of energy
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Match Energy Concepts: Work, Joule, Potential & Kinetic Energy
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Rotational Motion - Finding Linear Distance
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Two balls falling and bouncing one off the other
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Centripetal force of a car on a curve
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Solving Angular Momentum Problems with Linear & Angular Acceleration
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Torque/rotational motion question
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What Frequency Causes the Box to Slide on a Rotating Platform?
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How Fast Does a Pulse Travel Along a Steel Wire?
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What is the angular speed of a grindstone spinning at 8.3 rev/s?
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Calculating Sailboat Acceleration: Solving a Tricky Physics Question
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Find the magnitudes of the impulse on him from the water
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Study Tips for College Physics 101
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Find Tension in String: Friction & Pulley
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Finding friction from tangential acceleration
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Series circuit lab problem: voltage drop?
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My teacher assigns too much work
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How Does the Tension Equation Differ with Inclined Planes and Multiple Masses?
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How Is the Angular Momentum of a Clock's Second Hand Calculated?
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What is the torque on the tree from the truck?
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0-60mph back down to 0 = X feet
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Work/Force question, can anyone explain?
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Someone - Ramp Launch And Friction
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Circuit with 2 batteries is confusing me
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Projectile with friction on an inclined plane
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Force and potential energy of a mail bag
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Calculating Potential Difference Between Points A and B
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Estimating Peak Impact Force: A Formula and Example Calculation for Runners
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0-60mph back down to 0 = X feet
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Calorimetry, calculating for mass
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Calculate Avg. Water Velocity in Pipe from Well
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Calculating Sam's Jet Ski Coasting Distance and Top Speed
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How fast is a falling object going without riction
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How Do You Calculate the Initial Velocity of a Projectile?
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Solve problem related to Force and velocity
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Multiple Choice- Angular Velocity
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Please explain equipotential surfaces/ contour maps
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Calculating Time to Apex for Vertically Launched Objects
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Moment of inertia problem- kleppner #6.18
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How Can I Solve These Momentum Problems for My Physics Test Tomorrow?
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Last 3 problems on Rotational Dynamics
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How to Prove F=ma Using Kick Dis
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Calculating Acceleration of a Space Shuttle in Zero-Gravity Conditions
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How Do You Find the Final Speed After a Collision on a Frictionless Ramp?
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Angular momentum multiparticle system
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How much is it lengthened from its untensioned length of 30.2 cm?
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How much fuel is needed to reach a specific velocity in rocket propulsion?
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Angular Momentum and uniform flat disk of mass Problem
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What is the stress within the column?
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How Do You Calculate the Mass of a Star Based on Planetary Data?
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Calculating Kinetic Energy for a Sled and Rider on a Hill
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How Can I Maximize the Distance of My Two-Liter Bottle Projectile Launcher?
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Total force exerted on the can by the air pressure?
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Calculating Mass on a Frictionless Surface
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Shear stress, what is a flat tie bar ?
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Solving Kinematics Problems: Distance Traveled Before Applying Brakes
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Mechanical energy of a pendulum- I just can't get it
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Questions on the basic principles of physics.
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How Does Torque Affect the Stopping Time of a Potter's Wheel?
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Relativistic time, distance and velocity
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How Do I Calculate the Total Resistance in a Circuit with Multiple Resistors?
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Solving Two Physics Questions: Units of Velocity and Acceleration Equations
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Uniform Circular Motion of a satellite
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Asteroid Collision Course and Sagging Backpack
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Finding the Velocity of the Final Chunk in an Exploding Hockey Puck Scenario
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Why Does Water in a Boiling Container Not Boil?
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Help with conservation of energy
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Area under the curve in PV diagram
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Velocity and acceleration of a person and train
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Projectile Motion and Gravity: Calculating Height of a Projectile
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In a popular amusement-park ride, a cylinder of radius 2.00 m is set in rota
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Tension of String/ Mass question
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Solve Optics Problems: Goldfish Eye & Spherical Refraction
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