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.
Solving DC Circuit Problems: Determining Current in 8[Ω] and 4[Ω] Resistors
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Find All Real Solutions (problem)
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Quantum Physics: Probability density
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Electric charge and fields: uniform electric field
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Quantum Physics: electron within the nucleus.
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The Science Behind Why the Sky is Blue - Debunking Common Misconceptions
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What happens to the kinetic energy of a speedy proton
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Calculate the ratio of the radii of the orbits
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Calculating Time for a Transverse Wave in a Suspended Rope with Mass and Length
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Simple problem for anyone who knows what he is doing
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Electric field and coffee maker
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Need help answering problems related to Buoyance/Buoyance Force
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Finding Relative Extrema of x^2y^2 with Constraint 4x^2+y^2=8
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What is the change in kinetic energy of the proton?
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How Do Electric Charge and Fields Influence Forces and Charges?
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How Do Temperature Changes Affect Physical Properties in Basic Physics Problems?
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Determine the kinetic energy of the emerging neutrons
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Solve Logarithmic Equation: log(x-1) = log(x-2) - log(x+2)
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What Frequency Do You Hear from a Speeding Train's Whistle?
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I'm not asking for answers, just ideas for my science hw
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How Does a Reverse Galilean Telescope Minify Images?
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Integrate 1/(1+e^x) - Is it Correct?
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Revolutions per minute would a 15m diameter Ferris wheel
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What Are the Key Questions About the Science of Color?
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What is the Spring Constant for Question 9?
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Is There an Exponential Decay in Water Levels in a Barrel?
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Solving Heat Problems: Quenching a Hot Knife Blade
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WANTED: Formula for frictional resistance
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How Does Mixing Water at Different Temperatures Affect the Final Temperature?
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Equilibrium Problem: Solving for Unknown Masses in a Mobile
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How Much Steam Is Needed to Heat Water and Melt Ice in a Calorimetry Experiment?
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How Do the Laws of Thermodynamics Challenge Our Understanding of the Universe?
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Solving Physics Questions: Minimum Force and Friction Coefficient
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Calculating the Time and Height of Falling Stones: A Kinematics Problem
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Relating linear and angular kinematics
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What are these 3 physics problems and can you solve them?
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The Efficiency of Heat Engines: Calculating Work Output from 150J Heat Input
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What Are the Correct Answers to These Ideal Gas Law Problems?
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Calculating Atomic Mass: Solving for Pi Meson's Mass in AMU
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How Does an Unstable Particle Breakup Affect the Speed of Its Fragments?
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Prove Limit of Sequence: a, b, (an+b)1/n-1 = 0
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Calculate its longest and shortest diameters when its moving
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Calculating Deceleration in a Safety Net Jump
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Discovering Hose Physics: Calculating Water Speed from Nozzle Adjustment
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Wave Help: Solving Standing Wave and Interference Problems
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Electric field conductor problem
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The Starship Enterprise (variable acceleration problem) part II
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Calculating Spectrum Width with Diffraction Grating: Helpful Guide
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I used Sin instead of Cos for a triangle.
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The Starship Enterprise (variable acceleration problem)
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How Does Relativity Affect the Length and Orientation of a Moving Rod?
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Balloons in a Car: The Science Behind Why They Move Forward When You Take Off
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Solving a Dynamics Problem: Angle & Tension Calculations
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Can Chladni Figures Be Formed on Oscillating Plates?
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Finding Distance in Plan 1,2,3 & 4: Minimizing Cost
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How do you calculate the effects of crosswinds on a plane's velocity?
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Problem:help my bus is on a cliff
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Thorny Newtonian motion of a spaceship
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Where Does the Pi Come From in Variable Acceleration Problem?
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Calculate the energy and wavelength of the photon
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How Do You Simplify (i-3)^4 to a+bi Form?
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What is the Angle of the Man's Path Relative to the Water on a Moving Ship?
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How Can Parabolic Shooting Be Optimized for Minimum Travel Time in a Game?
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Pipeline Path and Town Radius: Do I Need to Reroute? | Explanation Included
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Understanding Acceleration: What Direction Does it Really Have?
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Physics Confusion: The Ball's Trajectory in an Upward Throw Explained
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Calculating Heat Loss and Temperature Change in a Heated Object
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Another question about projectile motion
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Algebra II tossed up with Physics
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How Does Wavelength Affect Scattering Angle in Light?
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How Do I Calculate the Height of a Fence in Projectile Motion?
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Understanding Hooke's Law: Sample Problems and Solutions
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How Do You Calculate the Charge on the Inner Sphere Using Gauss's Law?
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Some weird particle problem I invented. Long read.
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Discover the Near Point: Understanding Optical Instruments and Clear Vision
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Classical thermodynamics problem.
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Electric Motors - Which way the force goes.
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Understanding Hooke's Law: A Simplified Guide for High School Students
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What volume does this sample occupy?
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Youngs and single slit experiments
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Angular seperation between diff wavelengths
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Calculating Average Magnetic Field for a 15 mW 2mm Laser Beam
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How Do You Calculate the Sun's Average Power Output?
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I have enrolled in a Trigonometry Class in College.
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Conversion factor from amperes to milliamperes
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How Does Light's Wave Nature Affect Double Slit Experiment Results?
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What is the mass of a gas sample at STP?
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Calculating Frequency Using Doppler Effect Formula
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The Relationship Between Celsius and Fahrenheit Temperatures
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Forces related question (it's a problem)
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When you double your distance from a sound source
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EM waves; max value of electric field
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Help Me Ace My Physics Final: Solving 12 Difficult Problems
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A proton has a speed of 3 x 10^6 m/s
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Tension of a rubber cord problem
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How do you determine the direction of velocity?
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Measuring the Spring Constant of Two Cords for a Slingshot Apparatus
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Calculate (a) the total work done by the gas in the process
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Graphing Damped Oscillations with Friction on a Spring - A Guide
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How Do You Calculate the Fringe Separation in Young's Double Slit Experiment?
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