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 work with kinematics and dynamics
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What is the distance to the target?
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How Does Elevator Motion Affect Work Done by Forces?
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How long does it take the ball to come to a hault?
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Two infinite sheets with charges
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Can You Orbit an Asteroid by Running?
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Why do two masses move towards each other under gravity?
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Confusion on Body Definition in Y&F, 9th, 4-49.
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Electric Field and Voltage Equation Applications
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Time period of oscillation of a physical pendulum and spinning disk
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How Is Gas Pressure Derived in the Kinetic Theory of Gases?
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Radius of a Raindrop given Charge and Electric Potential
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Problem regardin an elastic wire.
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Electric Potential and Field Calculations for Point Charges on the x-Axis
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Sensor - Calculate the Capacitance
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Solve the Homework Problem with Work and Energy
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Magnitude of an Electric Field in a Cylinder
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Torque Question: How Far Up a Ladder Can 800N Worker Climb?
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The photoelectric effect report
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Statics: Internal forces at a point along a beam
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How Much Work Is Needed to Stretch Two Springs and Move a Cube?
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How to solve this without resorting to inertial forces
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Simple Harmonic Motion: Wrench's Moment of Inertia Calculation
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How do I calculate the Velocity when only given the force and weight?
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Deflection of suspended coil (fluxmeter)
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Is (0,0) a Valid Coordinate in a Bounce Height Experiment Graph?
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Resolve a force into three parts (3D)
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Calculate Constant Velocity & Speed for Trapezoid Move
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Inelastic collisions in 2 dimensions
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Gas Leak from Container: Calculating Work Done Against Atmosphere
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A cylinder rotating in Cartesian coordinate system
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Work and energy- 1 stationary and 1 swinging block (table+pulley)
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A balls velocity when it reaches the top of the inside of a loop
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Conservation of Energy of blocks and rope
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How to calculate the work function of a metal?
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Using the gravitational formula
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Finding Speed of Object Under Central Force: Equations & Solution
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Energy conservation in two dimensions
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Find deceleration from distance and initial velocity
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How to Calculate Impulse and Average Net Force in a Baseball Collision
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Which Sign Describes Phasor Direction in Circular Polarization?
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Rodmechanism relative movements problem
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Geothermal heat pump or heat engine power requirements
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How Does Electric Flux Differ Across a Hemispherical Surface?
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Work done by gavity on an inclined plane
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Acceleration of a system with three blocks
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Calculating Potential Energy and Velocity in Newton's Cradle Lab
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Average power given velocity, kinetic friction, and mass
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Calculating Electric Field Strength Between Two Point Charges
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Applying Coulomb's Law: Changes in Charge and Distance
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Statics problem, trailer and truck system
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Speed of a meteor before hitting a space station
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What Does a Harmonic Wave Equation Represent in Physics?
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Solving Rotational Problem: Satellite Elliptical Orbit, Torque & Speed
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Rotation: angular momentum and torque
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Sound(Determine period, frequency from the plot)
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Statics problem, analysis of a frame
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Kirchhoff's Rule Cap-monster maze
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Can the Slower Cyclist Win if the Race is Short Enough?
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How does the floor contribute to the ball's energy during a bounce?
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Electric Field problem ( with integral)
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Frictional Torque of a Flywheel
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Calculate number of nodes in stationary waves
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Calculate the work done by tension
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How High Does a Block Reach on an Inclined Plane?
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Is the Magnitude of an Electric Field Consistent Across All Spatial Locations?
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Projectile Problem: Solving for θ=60° | Sinθ = ±√3 Solution
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How to Calculate Speed When an Object Hits Another?
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Linear algebra.Kernel of a linear mapping
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Moment of Inertia through center of mass
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How long will it take an electromagnetic wave to reach a satellite
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How Long Will It Take for the Car to Collide with the Truck?
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What Bandgap Energy Range is Required for Blue LEDs?
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Obtain transfer resistances and use them to find these two currents
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Measurement uncertainty and error
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[Astrophysics] Star luminosity-radius-temperature problem
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Cutoff frequency in this circuit
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Physics G.11 Question on Forces/Newton's Laws and Friction
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Gravitation - Period of revolution of planet
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Discussion for Centre of Gravity of an irregular shaped object(Lamina)
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How High Does a Cannonball Go When Fired Straight Up at 28m/s?
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Dipole antenna and electromagnetic waves
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Linear algebra-Basis of a linear map
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Derive the Electric Field Outside an Ideal Conductor
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How long for 2 particles to collide due to gravity?
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How to find the Angular Velocity?
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Determining the Coefficient of Kinetic Friction on an Incline
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Using the Ideal Gas temperature scale
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Difficult projectile motion question
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How Does Temperature Affect the Fit Between a Brass Ring and an Aluminum Rod?
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Calculating Force & Velocity of Friction
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Cylinders filled with liquid; placed on a trolley
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Why Did the 1983 Conference Reject Defining c=3x10^8 or 1 m/s?
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Finding the frequency and wavelength of an electromagnetic wave
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How Can You Triple the Energy Stored in a Capacitor Circuit?
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Why Does Battery Terminal Voltage Calculation Depend on Current Direction?
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Calculating acceleration with slug and lbs
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Finding range given impact velocity?
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Confused by Relative Motion? Get Answers Here!
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Physics Question Over 2 Dimensional Friction Problems
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