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 Does Gauss' Law Apply to a Cylindrical Shell Surrounding a Charged Line?
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What is the force applied to a moving object?
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Force between two charged spheres hanging from a string
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I don't have a clue how to find the coordinates
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Where Will the Plane Be When the Package Hits the Ground?
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Find the value of y. Did I do this problem correct?
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Circuits Question - Voltage and current in an inductor circuit
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Insulated Copper Block Heated to 60 Celsius
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Trying to solve an elevator problem
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How would I go about graphing a momentum experiment? (Design Lab)
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Find the Mass of the Air, and the Work and Heat Transfer
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Capacitors/Current/Ohm's Law - Please help I'm so confused
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(Easy) Finding initial velocity from uniform acceleration
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Classical Mechanics: 12N Block on Wall - Will it Move?
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Relation between the two Radii Rf and Ro
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Finding time given average velocity
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Electric field in a couple of different cases
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Mass whirling on table pulled by string through center
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How do I calculate the drag force on a motorboat accelerating from a dock?
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Volume using Compressibility Factor
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Calculating Amount of Ice to Cool Tea to 65°C
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Molecule collisions in an Ideal Gas
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Need help with Vertical Velocity I have an exam tomorrow >.<
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What is the skis co-effecient of kinetic friction with the ice?
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Radii of eqiuipotential surfaces of a charged metal sphere
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Resistance in a series / parallel?
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What is the total flux flowing through a spherical Gaussian surface?
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Electrostatic force on a parallel plate
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Determine the Acceleration of Collar B as a result of Collar A
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Thermodynamics Pressure Problem Help
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Finding the Initial Rate of Gas Leakage from a Small Hole in a Cubic Container
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Off center circular motion (polar coordinates)
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What Forces Act on a Ball Attached to a Massless Rod in a Vertical Loop?
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Determining the oscilation of a ruler resting on two spinning cylinders
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Vector Displacement Magnitude Calculation
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Finding the Angle of Rainfall for a Driving Car
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Parametric equations -> acceleration
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How to derive duffing equation for a particular system?
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Calculating drop in gas pressure
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Work done by gas expansion on piston
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Deriving the number of stars as a function of flux and bolometric magnitude.
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RLC Circuit help - Trying to find Vs
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Solved: Kinematics Problem: Final Velocity
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Why Is Medium Acceleration Calculated Using Change in Velocity Over Time?
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Solve Vector Prob: Find Speed in m/s Relative to Ground
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How Do You Calculate Deceleration from Average Velocity?
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Determine initial and final temperatures, adiabatic expansion?
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Static & Kinetic Friction + An Applied Force on an Inclined Ramp
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Hubble's Constant with coincident galaxies
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Calculating Speed of Point P in Physics Homework
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Magnetic field at P, between six parallel wires.
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Three infinite sheets creating two regions - find the potential difference
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Determine the magnitude of the charge on the inner and outter surface of sphere
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What is the Electric Flux through a Small Disk near a Point Charge?
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Electric flux through a plane described by an equation
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Charge inside a spherical shell
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Kinetic Energy of a sphere due to uniform line of charge
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Electronics/Power supply assignment questions
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Charge outside and inside a hollow ball
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Thermal physics final temperature of mixture
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Concentration and diffusion of oxygen in the Earth's atmosphere
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Simple harmonic motion on an incline
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What is the principle of moments?
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Horizontal spring with friction
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Wavelength Problem: Compute Frequency in 4m Room
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Potential of Infinite Sheets of Charge and Conducting Slab
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Calculate the flux through a cube of size 1.0 m
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Calculating Angular and Linear Speed and period of revolution
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How Do You Calculate Projectile Velocity at Different Times?
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Clay falling onto a pan attached to a vertical spring
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Calculating Charges of Identical Tiny Conducting Spheres
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Flux through far away disc and potential Q.
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Zero Total Charge: How is this Possible?
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Need a Double Check / Verification
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Struggling with finding the mass req'd when velocity is doubled
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Understanding Free Body Diagrams for Cantilevered Structures
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Find equivalent resistance in this circuit
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Work, Net work, Work done by friction
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Physics Postlab Help - Get Answers to Questions
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Infinite number of turns in finite time
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Solving Velocity Time Graph: Car 1 vs. Car 2
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Projectile Motion velocity homework
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Beta decay of deuterium and triterium
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Finding the angle between two magnitudes.
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Electric Field Between Two Infinite Sheets of Charge
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Another Double Check FBD String Tension
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The number of kg needed to pull apart Magdeburg Hemispheres
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Find magnitude of acceleration on a Ca ion, given electric field.
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Finding the final velocity of a proton
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Difficult optimal cable cost analysis
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KVL Node Voltage: Positive vs Negative Assumption in Homework Solution
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Chemical potential in Thermodynamics to find latent heat of vaporization
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Find how far the spring will be stretched
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Centripetal acceleration of a vehicle on banked circular arc
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Calculating Energy Needed for Change of Phase: Do I Need One More 'mCΔT'?
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Determing unknown weight of an hanging object in a systen
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Each Car has Speed Corresponding to Max Normal Acceleration. Find Time Elasped
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Electric Field Problem-Balancing Forces
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Thermodynamic Properties; Isentropic Expansion
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Isothermal exapansion, work done
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