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 the Swing Height of a Thin Rod After a Collision with Putty
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How Fast Must a Pion Travel to Cover 9 Meters Before Decaying?
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Why does a positive lens focus two images at different lengths?
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How Do You Calculate the Damping Constant in a Sloped Car Scenario?
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Determine the Acceleration of the plate for which there is no Force
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Upward Moving Projectiles - determining change in time
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Max Distance Up Ramp for Rotating Sphere
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Solve SHM of a Pendulum: Calculate Length with T=1.2s & g=9.8
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A question of electricity regarding emf and voltage
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How to Find the Shortest Time for Displacement Change in a Wave Function?
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Conservation of mechanical energy problem
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ANS: Perpendicular bisector of the line joining the two points.
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A question on work, power and energy
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Electric Potential & Electric Field
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Define Force in a system of particles about point P
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Reaching the Moon in 0.9 Seconds: A Physics Challenge
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Parallel RLC Circuits - Help please
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What Happens When a Hot Steel Ball is Dropped into Water or Ice?
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Can Magnetic Forces Propel a Model Boat on Water?
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How Many Turns Does a Proton Make in a Solenoid?
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Calculate how high balloon rises before stopping
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What Height is Needed for a Roller Coaster to Complete a Loop?
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Solving Heat Engine Questions: 156 Moles of Monatomic Ideal Gas
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Interpreting Hydrogen Atom Wave Functions: A Question of Correctness?
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The Gibbs-Duhem equation - checking some work
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Planetary Motion with satellite
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Energy and basic math (proportionality)
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What is the Optimal Angle for Minimizing Work in Kinetic Friction?
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How Do Conservation Laws Apply to Colliding Space Shuttles?
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Help understanding rc circuits?
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What is the velocity of a hot air balloon after sand leaks out?
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Symbol help - Mirrors & units question
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Why Does a Metal Bar Move in a Magnetic Field?
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How Does Conservation of Energy Determine the Final Velocity in a Pulley System?
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How Do You Calculate Tension in a Cable and Force on a Hinge?
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Mass being pulled on flat ground
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Conservation of Energy-Two Blocks Sliding Down an Incline
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Spring with mass on horizontal surface
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Trying to find the amount of stretch of a spring for a launch
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Good luck, and let me know if you run into any more problems!
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Which forces affect the ball in A, B, C and D?
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What Is the Length of the Box Based on Photon Emission Wavelengths?
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Simple electric field strength problem
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Conversion of Electrical Energy to Heat
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Find temperature change required
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What is the specific heat of the liquid?
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I am new here, this is more of a conceptual confirmation than mathemab
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What is the Frequency of the Third Harmonic in a Heated, Stretched Yarn?
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Analyzing Rotational Motion of a Spinning Disk on a Horizontal Surface
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Calculating the Velocity of a Baseball Hit at 300° Angle
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First order RC Circuit Table problem
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Cylinder submerged in salt water (Ideal gas law, pressure)
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Electrostatics: Finding possible value of charge
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Calculating Refraction: Snells Law Help for Light Ray Approaching Glass Block
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Help Understanding Light/Atom Thoeries
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How Long Does It Take for a Dropped Ball to Hit the Ground?
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How Do I Calculate Uncertainty in My Physics Lab Report?
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How Hot Must the Balloon Air Be for a 1000kg Lift?
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Decelerating distance and magnitude of impulse of a car
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Electrical conductivity of a semiconductor
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Friction Coefficient for Slope Equilibrium: tan(a)
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Calculate energy lost to a rough surface
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A Siphon at the Bar: Jane's DIY Drink Mixing Trick
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Work done by a gas during an adiabatic process involving a state chang
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What method should I use to solve variable mass problems in physics?
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Taylor 4.34 - Energy of a Pendulum
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How Do You Calculate Net Resistance and Current Flow in These DC Circuits?
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Executing Circuit: Troubleshooting R_c Short-Circuiting
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Forced SHM with damping problem
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What is the result of mixing 10g of ice at -10 deg celcius?
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Electron [N] moving in a magnetic field [up]
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A resistor, an inductor, and a capacitor are connected in series?
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Optics: Solving for Slit Size Missing Fringes
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What is the Ratio of Slit Distance to Wavelength in Laser Diffraction?
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Snell's Law Application Homework Problem
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What was the velocity of the apple before it hit Newton?
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Linear speed of car coasting on two tracks
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How Close to Speaker B Must You Be for Destructive Interference at 172 Hz?
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Optics aperture modeling rect functions
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Does the Wave Function Approach Zero at Infinity?
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Does anyone know where i can find good physics problems
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Find Mass of Rope Given Horizontal Force of 20N
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Calculate: the net electric flux = flux through rounded portion + flux
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Torque problem (man standing on a deck)
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Electromagnetic induction (production of emf)
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Electromagnetic induction graph of E versus I
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What is the correct answer for the electric charge question?
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Capacitor is charged then connected to a capacitor and battery
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Average energy mass on a spring
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How Does Force Angle Affect Book Acceleration with Friction?
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How Is the Lagrangian Formulated for a Falling Rod on a Frictionless Surface?
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Solving Carnot Cycle Problem: Struggling with b & c
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Distance travelled in n time when a body is thrown upwards
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Young's Double Slit: Find Min. Plexiglas Thickness for Dark Spot
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Tension and Acceleration with a Pulley and Two Masses
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Standing Waves Question: Find Wavelength and Amplitude in Two Connected Strings
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What is the Minimum Time for Acceleration in an Auto Engine Power Problem?
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Transmission Line (simple Prob)
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Maximum Compression of Spring in Block Collision
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Simple Pendulum Amplitude Investigation: Graph and Uncertainty Analysis
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