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.
Maximizing Space: Estimating the Number of Ping-Pong Balls in a Room
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How Can I Learn Vector Basics for Physics Homework?
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Nonuniform Volume Charge in a Cylinder
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Energy Stored Charge Configuration w/ Picture
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Magnitude of Displacement for Harmonic Oscillator
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Light wavelength passing through a grating sketch help
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Electric potential energy problem
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The moment of inertia of a group of seven pennies
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Order of magnitude problem involving the force of repulsion between two persons
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Calculating Work Function of Metal in a Photocell
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Pendulum consists of a rod of mass m attached to a light rod
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What Are the Dimensions for Force and Distance in This Problem?
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Understanding Conservation of Momentum
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Objective problem regarding friction.
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AP Physics C lab involving incline planes featuring motion laws
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Angular momentum operator identity J²= J-J+ + J_3 + h*J_3 intermediate step
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How to find/graph instantaneous speed vs time
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Charging a spherical shell by conduction
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How Is Electric Potential Difference Calculated from Work and Charge Movement?
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Dropping a bundle from a plane: Using Newton's Second Law
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Need find end velocity given accel., time, distance
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What Determines the Shape of an Atom?
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Nonuniformly charged spherical surface
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Three point charges are arranged on a line.
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What Are the Effects of Five Charges in an Electrical Field?
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Single slits involving one source of monochromatic light
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How Do You Calculate the Third Maximum Position in Single Slit Diffraction?
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Conservation of momentum problem from SAT II
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The Difference Between Equation Uniform Acceleration and Average elocity
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Buoyancy Problem: Slab of Ice on Water
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Momentum, Impulse and collisions Q
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Need guidance on finding charge.
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How Much Force Is Exerted on the Floor When Pushing a Box?
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How to calcoulate force applied?
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Forces on a weight stack pulling horizontally
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Solving Dynamics Problems with Burden's Self-Study: Momentum & Kinetic Energy
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Is Magnetic Field Work Always Zero in Current-Carrying Conductors?
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How Does Energy Loss Affect a Ball's Motion in Gravity?
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Thin rod standing upright tips over
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Motion in One Dimension. Need help with these problems.
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How Do You Calculate Friction Forces for a Car on a Flat Surface?
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Circuit Simplification (Equivalent Resistance)
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Gamma ray colliding with an electron
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Force of electric field and distance
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Proof that gravity equals 9.8 metres per second?
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Partial Pressure Help-Please Check
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Need Help with trajectory based game equation
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Projectile on horizontal surface
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How far will a motorcycle travel before coming to a halt?
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Solving Mechanics Problem with Friction Force
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Calculating Air Velocity in a Pipe
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How Do You Calculate Average Speed in a Mixed-Speed Relay?
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Electricity & Magnetism Honors Project Ideas?
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How Long to Heat Air from 35°C to 1000°C with a 1400W Heater?
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Determining the magnitude of the magnetic field acting on a particle
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Determining the radius of curvature mass spectrometre question
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Initial velocity of projectile given angle and max height
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Same temperature, but different volume?
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Find G in Pendulum Experiment: Help Solve I Need
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Simple Harmonic Motion-Vertical Spring
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Deriving the Deflection Equation for a Prism
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How Do You Correctly Solve Vector Addition Problems?
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Calculating Mixing Ratio of Hydroxyl Radicals at Sea Level
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Centripedal acceleration of an electron
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Coefficients for the equation of the position vs time equation
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Moving point charges - help debugging
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AP Physics B Course Description Multiple Choice #3-4
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Millikan oildrop experiment: archimedes' principle
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Inclined plane problem help please
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What is the charge density in a sphere with a given electric potential?
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Distance of building related to echo
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Rotational mechanics. cylinder over a plank
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What Are Unique Acoustics Topics for an IB Extended Essay?
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How Do You Calculate Angular Velocity and Acceleration for Rotating Objects?
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Bacteria population formula reach 1 million?
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Simple Projectile Motion of a rock
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How Do You Calculate the Mass Concentration of N2O in Air?
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Equation z = ct + d, z is measured in meters and t in seconds; dimensions of D?
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Electric field above one end of a straight line segment?
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Dynamic FBD - Man and box sliding on an incline
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Dropping a mass in a hole through the Center of Earth
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How Do I Resolve the Units in This Black Hole Mass Equation?
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Velocity of a ball in a new coordinate system.
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Visualizing Electric Field Inside a Nonconducting Sphere
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Pressure of a gas in discharge tube
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My solution doesnt match the Schaums Collgege Physics book.
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Elevator with constant acceleration
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How Does the Speed of a Van Affect the Lorentz Force in a Magnetic Field?
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Simple Harmonic Motion (SHM) question check
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Maximizing Friction: A Force Analysis Approach to Solving Problems
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Lever with spread load: formula
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AC Resonance Experiment: Missed Step in Procedure!
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Position and Displacement Vectors- The Watermelon Seed Vector
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Throwing objects in the air and calculating height problem
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What is the Center of Mass of a Modified Triangle with a Semicircle Cutout?
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Adding vectors algebraically to find displacement
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Solving for Electric Force Balance in a Suspended Sphere Setup"
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Object accelerated at one G for one year
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Kinematics Questions: Solutions and Explanations
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Please any advice, help or suggestions would be very much appreciated
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