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.
Can Friction Suppress the Up and Down Movement of a Flying Disc?
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The thinnest film in which the reflected light will be a max
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Speed Question: Two bodies are hit/ final momentums?
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Determining power output at different time intervals
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Finding the force of kinetic friction without a coefficient
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Angular momentum of a bullet problem
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MCAT Collisions of a wooden block and bullet
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Simple Tension Exercise: Acceleration and Final Velocity Calculation
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Masses connected to spring momentum
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Object is dragged across a semicircle's perimeter
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Solve Satellite Velocity Homework: Find Moon's Velocity
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Two waves of light in air travel through a layer
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Calculating Distance Traveled by Cart with Sliding Block
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The Normal Force on a Carousel: How Does it Affect Weighing Scales?
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Will any charge flow through the circuit?
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Image by Refraction through Flat Surface
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Calculating Work in Lifting a Bucket
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Solving Antiphase Wave Homework: Wavelength 633nm
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How Do You Solve Problems Involving a Spring's Force Constant?
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Determining the total current of many batteries
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Harmonic oscillation in classical mechanics
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2 discs connected by spring, airborne?
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Voltage in a Circuit: Find Vx with 2A and 6Ω
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The longitudinal displacement of sound wave
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Difference between a clock and a series of radar pulses
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Mesh analysis with dependent sources
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Find the final velocity of a metallic bar
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How much work does a crane and gravity do on a large box?
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What Is the Correct Water Level for the Third Resonance in a Closed-Open Tube?
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Calculating Ambulance Frequency Change: -113 Hz
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Doppler effect (source and detector moving together)
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Dirac notation Schwarz Inequality Proof
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Charge on pith ball between two plates
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What is the relationship between power and dissipated energy in cycling?
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Ball dropped down from 5m, what is its speed when it hits the ground
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Hooke's Law Second Order Differential Equation
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Understanding Net Force and Net Moment in Statics
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Momentum not consistent with definition in Landau's book?
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Fundamental frequency of a wire wheel spoke
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Waves: fundamental frequency of taut cable
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Find magnetic flux density B circulation in closed contour
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How Can I Build a Golf Ball Roller Coaster with Recycled Materials?
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Grounded conductor and Electric field potential question ?
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Muzzle Velocity by Analyzing Ballistic Pendulum
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How to Solve for i(t) in a Circuit with a Step Function Source and an Inductor
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Roller coaster physics conceptual question
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Temp. rise that will cause liquid to fill vessel completely
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How Do Elastic Collisions Affect the Velocities and Angles of Moving Masses?
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Number of modes in Cubic Cavity
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Solving a Tilting Stick Equation of Motion: Need Help!
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Finding Absolute Zero Values from Best Fit Lines with & w/o Uncertainty
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Momentum and impulse of jump problem
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Why is the final potential of spring (Usf) equal to zero in problem b?
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Atwood's Machine: Solving for Force & Acceleration
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The Sun treated as a perfect Black Body
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Total Time for Newton's Law of Gravitation
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Finding the total mechanical energy
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Angular acceleration of a cylinder rotating around another
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What is the Potential Energy of a Spring Between Two Masses?
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Potential energy as a form of mass?
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Nuclear reactions, cross section, reaction rate
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How long does it take for sound to travel 1 mile at a speed of 740 mph?
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Force of Gravitation and Centripetal Force
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Point body of mass hung from a ceiling on two ropes
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What distance is needed for a body to spin in circular motion with a spring?
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Speed from a distance vs. time graph
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Application of Gauss' law - point charge in hollow sphere
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How could a DC electric motor be used to power a computer?
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Calculating Torque in a Hanging Rod System
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How do we know if a resistor is added or subtracted?
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Deriving mgh from Newton's Law: Binomial Expansion
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A problem Simple harmonic motion
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Find the height the block rises to after an elastic collision
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Problem Newtonian mechanics French
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Water level before and after metling of ice cube
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What is the static friction force acting on the object?
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Rotating Friction Discs For Project Design
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How Do You Calculate the Angular Motion of a Pulley System?
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Friction vs NonFriction problem
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Diffraction Grating Question, Dispersion and Resolving
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How to ameliorate this Wheatstone bridge?
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Solving Oscillating Systems Homework: Angular Frequency & Velocity
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Tension in an object moving with circular motion
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Rotate Spool: Massless Inner Cylinder & Uniform Cylinders
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Magnetic field in an offset hole in a conductor cylinder
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Aeroplane follows circular trajectory-Tension? (geometry)
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Statics:Find the Tension in a rope holding a boom
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First Law of Thermodynamics issue
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Slipping transitioning to rolling without slipping
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Max reaction force - ferris wheel
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Showing the force on a magnetic dipole
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Velocity of a satellite in a eccentric orbit
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Maximum force so object on top wouldn't start sliding back
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Pressure in a Fluid-Filled Glass with a Side-Hole Tube: Is Pa = Pb = Pc?
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Snell's law and law of reflection derivation -- confusing
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What is the amplitude of the resulting oscillations?
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Find the minimum kinetic energy of two electrons in a 1D box
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Determining pressure at various altitudes using integration
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Kepler's Law for finding velocity
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How Do You Build a Clock Using a Spring and Potential Energy?
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