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.
How to Determine Angular Speed with Only Rotational Inertia?
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A fixed string in the third harmonic
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Troubleshooting Gradient Errors in Linear Graphs: Tips and Techniques
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Relative velocity of two speeding cars
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What is the thickness of the copper layer on a constantan wire?
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Terminal Velocity Lab: Finding Constant C in Fdrag=Cv^N
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Loudspeaker Design: Calculating Angle of First Minimum
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How Do Rack and Pinion Gears Translate Motion in Physics?
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An experiment to determine the speed of sound using a closed pipe.
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Diffraction Experiment - Comparing theory with my data
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What determines the net work on a hockey puck in circular motion?
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Vector Calc Homework: Find Dv from Pr & Pt
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Calculate Theta for 0 Vertical Component of P
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(101)Conservation of linear momentum
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How Does Adding a Capacitor Affect Current in an AC Circuit?
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Parabolic Motion, *throw a ball with velocity at angle 45 6.2m above ground
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How Do You Calculate the Equivalent Resistance in This Circuit?
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Water Surface: Is it Flat or Rounded?
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Average Speed? How do I calculate?
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Finding Max Height and Velocity of Thrown Kong
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What Happens to Puck Speeds After an Inelastic Collision with Energy Loss?
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Calculating Earth's Orbital Speed Using Star Spectra
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Does the Lorentz Force Law Affect Charged Particles' Speed and Direction?
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How Does Snell's Law Explain Light's Unchanged Direction Through a Glass Plate?
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How Is Energy Conservation Used to Calculate Sliding Distance on an Incline?
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Work and Kinetic Energy: Calculating Work and Speed with Varying Force
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What is the gravitational potential energy of a satellite in a circular orbit?
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How High Must a Satellite Orbit to Remain Geostationary Over Jupiter?
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Electric Forcs and Work (Algebra based physics)
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Coal energy and heating a home. .
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Block hitting a spring down an incline
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Center of mass of concrete wall
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How Does Angular Velocity Affect Circular Motion?
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Deriving Electric Field from Voltage
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Surface Charge Distrib on Plane
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Finding the potential difference?
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What Is the Speed of Water Leaving the Nozzle?
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How Do NPN Transistors Function in a Circuit?
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Gun and Shell: Calculate Velocity and Force
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How far up the incline will the block move before coming to rest?
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Exam coming soon, need help with this question
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Circular Motion Problem: Finding Angular Velocity with Maximum Tension of 50 N
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How Is Kinetic Energy Calculated at Point A in a Loop-the-Loop?
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What is the Speed of a 420 g Particle at t=2 Seconds Under a Sine Wave Force?
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How do you calculate work in a vertical rope and mass problem?
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How Do You Calculate the Radial Component of Acceleration in a Turning Car?
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Rigid Objects in Equilibrium & Center of Gravity
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How Does Braking Affect the Temperature of Car Brakes?
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Rotational Kinematics of bicycle breaks
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Are drag coefficients negative?
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Potential difference Calculation
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Instaneous Power in a standing Wave
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Potential difference problem (important)
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Comparing Bohr's Theory and Wave Mechanics
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Solving Neuton's Second Law: Mass and Tension Calculations for Hanging Objects
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Do Photons from White Light Emit Randomly with Specific Lifespans?
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Optimizing Landing Time and Distance for a Plane with Maximum Acceleration
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Helicopter Physics: Finding Time to Reach Ground from Release Point
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With what speed does the car then strike the tree?
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Atwood Machine and block acceleration
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Blackening a Spoon with a Candle Flame - Investigating the Results
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Circular Motion: Change in Height, Box Struck by Arrow
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How Many Turns of Wire Does the Coil Have?
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Starting from rest several toy cars roll down ramps at different
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Uniform circular motion radius
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I have to make sample questions for class
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Is there any online sites that simulates circuits
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Quiz: Calculating Gravitational Forces and Orbital Speeds
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What Causes Kinetic Energy To Not Be Conserved
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Particle Motion Problem: Finding Position and Velocity with Derivatives
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Electrostatics: Conducting Sphere in Uniform Electric Field
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How Is the Spring Constant Calculated from Block Compression and Friction?
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Angular Acceleration of at woods machine
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Orbital Speed of Earth: Calculating the Speed of Earth's Orbit Around the Sun
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Determining Satellite's Altitude and Period Using Kepler's Laws
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Measuring Distance with Vectors: Tips and Tricks for Physics Students"
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Find Currents & Vab with Reversed Polarity Battery in Circuit
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Vector by bivector geometric product
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Torque: Turning Heavy Door with "Steady" Force
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Calculating Distance Traveled on a Rotating Wheel
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How Is Force Calculated to Keep a Block Stationary on an Inclined Plane?
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Conservation of Energy Equations -
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When Should Gravity's Potential Energy Be Negative in Energy Calculations?
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Solving Simple Power Problem: Grandfather Clock + 3.70kg Weight
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Friction force homework problems
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Giant Swing, Uniform Circular Motion
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Problem 7.46: Riding a Loop-the-loop
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Does a 150 HP Car Engine Suffice for Uphill and Acceleration Tasks?
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Elementary astrophysics - monochromatic flux?
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Conservation of energy -swinging vine.
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Converting 20 Joules per Square Meter to Joules per Square Decimeter
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How Fast Does an Electron Move Towards a Charged Plane?
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Force required to keep objects in orbit.
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Quick Electric Potential Concept Question
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Amplitude of Standing Wave in Fundamental Mode
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Moment of Inertia Problem: Perpendicular Axes THM
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Apply the law of conservation of energy to an object
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Understanding the English Engineering System: Lbm and Lbf Conversion
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RMS Current Help: What is the Primary Coil's Current in a Transformer?
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What is the Kinetic Energy of an Alpha Particle Moving from Point A to Point B?
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