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 Calculate When a Bowling Ball Will Begin to Roll Without Sliding
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What is wrong with this equation ?
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How much visible light is emitted by a 100 W tungsten light bulb?
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Why would voltage stay the same when a dielectric is introduced?
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Late night sanity check (Average Acceleration)
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Real life problem - pushing object up incline plane
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What is the Force Due to Extension for a Particle on an Elastic String?
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Air Speed in Headwinds & Tailwinds: Calculating the Difference
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Pulley Connecting Mass 1 to Hanging Mass 2
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Can You Graph Stop and Go Traffic in Rush Hour?
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How Far Will a Cart Travel Up a Ramp at Different Angles?
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Calculate Percentage Error: Ball Down the Ramp Lab
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How Can I Calculate the Volume of a Celestial Body with a Given Diameter?
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Finding Initial Speed of an Object
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What is the power of a car traveling at 30. m/s with a force of 1000. N?
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Block on inclined plane problem
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What is the Maximum Speed and Travel Time for a Subway Train?
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A circuit of four elements. Which are in series and which are in parallel?
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Projectile A - > B , two different angles
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What Shape is the Distance vs. Time Graph for a Falling Ball?
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Straight Line on Distance vs Time^2 Graphs
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What is the acceleration of the block up the ramp?
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Vector Proof Homework: Show Invariance of Distance from Origin
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Understanding Projectile Motion: Calculating Time and Velocity
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What is the terminal speed and acceleration of spheres falling through liquid?
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Consider the arrangement of two fixed point charges, equal in magnitude
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How Do You Calculate the Acceleration of an Electron in Motion?
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Quick Reference Frames Problem. Soon
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Two Impulse & Impact Problems Need Help
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How do you find the formula for momentum in physics class?
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What Is the Average Force Exerted by the Wall on the Tennis Ball During Contact?
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Not sure on topic - relativity if I had to guess
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RLC Resonance: Understanding VL and VC Magnitudes
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Modeling a Triangular Wave Pulse on a Taut String
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How can I show that R and RL are equal in this Y/Delta circuit problem?
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Solving a Multifluid Manometer Problem to Find P1
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Solved: Kinematics Problem: Boy Scout & Food Pack Speed
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Finding acceleration given distance?
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E_o=\frac{1}{2}mv_1^2Solve Elastic Collision: $\frac{\triangle E}{E_o}$
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How do you solve for the mass of a hanging object with two given forces?
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Question about the electric field created by two charges?
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Two cars passing each other (constant velocity)
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How Are Reaction Forces Directed at Points A and D in a Supported Beam?
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Maximizing range of projectile from some curve
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Help with free falling, find h with ball displacing .47h in 1 second before fall
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Gauss's Law for Electric Field Components in a Charged Sphere
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How Do Forces Distribute Among Blocks on a Frictionless Surface?
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Mastering Intermediate Dynamics: Tips and Tricks for Success
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Find the magnitude even though direction is correct?
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How Does Charge Distribution Affect Electric Fields and Forces on the X-axis?
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Solve Complex Sin Contest Question from 2003 | Exam Review Help
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Finding the change in length of humerous
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Energy of a Dipole in a Uniform E Field
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Positrons magnitue and direction with velocities
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Calculating Time & Wavelength of 1000Hz Noise
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Solving Car-Truck Overtaking Problem
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How can calculus be used to solve a snail kinematics problem?
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Solve Rotational Motion Homework Problem Req. Acceleration 'a
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How do you find the degree of displacement?
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Use Coulomb's Law to calculate the number of excess electrons
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Determining the orbital radius of extrasolar planets
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Calculate thickness of organic layer on wire
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Tips for Writing a College Lab Report: Expert Advice and Student Insights
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Simple Parallel Circuit Problem
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What Are the Unknowns in This Free Fall Ball Problem?
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Charged particle between two conducting plates
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Understand concepts of electricity and magnetism
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Calculating and Plotting ln World Population: 1900-1980
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Why did Author Use Cosine/Sine for Periodic Sound Waves?
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Help with frame and reference problem
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Finding Distance: Penny in a Wishing Well
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Finding the radius based on time and velocit
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Round Table Supported by 3 Legs
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Kinematics problem(already have the answer, but i need an someone to explain it to me
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Two space craft are flying towards a planet
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Average speed and average velocity
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RLC circuit - total impedance,phasor analysis etc
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Calculate energy and momentum of a hydrogen atom in a photon emission transition
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Express Max height in terms of g and T? ?
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Debunking the Myth: The Truth About Earth's Orbital Motion
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Field Goal Projectile Problem: Time to Score!
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Mass of Particle in 0.200T Magnetic Field
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Calculating Velocity of 100g Mass to Describe Circle on Table
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"Find Out 1 meV in Å from E1/2 Equation
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Determining a smooth motion when given a function
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Vectors ; specifically cross product application
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Velocity of sound in air in a closed air column
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Analysis of Person Diving into Pool w/ Uniform Horizontal Beam
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Integrating to find velocity and position equations
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Trouble with a classic statics problem
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Projectile Motion - Only given time and range
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Radius of Curvature: Homework Statement & Equation
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Where Did I Go Wrong in Calculating Average Acceleration?
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Solving Vector Components: East-West and North-South Directions
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Electric Field at Point P on Spherical Shell Insulator
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Calculating Time for Rectangular Block to Stop on Rough Ground
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Vector Problem involving Cartesian plane
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Discover How to Solve for X in a Simple Algebraic Equation | Example Provided
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Velocity and Acceleration of motorcycle
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Solution manual for Statistical Mechanics by Pathria
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