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.
How to find voltage across capacitor in RLC circuit?
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Vertical circular motion
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Can Geiger Counter Ticks be converted into particle/wave counts?
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Kinematics: Acceleration of a figure skater changing direction
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Find the electric field at a point in 3 dimensional space
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The electric potential inside a conducting sphere with charge Q
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X and Y coordinates of an oscillating object on a spring.
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Simultaneous events separated by distance and time
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Finding speed of spaceship traveling to star ##a## light years away
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911
Stationary observer meaning in relativity problem
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Particle moving at speed ##bc## relative to laboratory frame
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971
Why Doesn't Time Dilation Affect Pendulum Observations on a Moving Train?
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Two cyclists ride between a pair of towns with and against the wind
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Universal gravitation’s problem -- Balancing gravitational forces from 2 masses
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Prove that the field due to a circular arc is same as its bounded tangent at the centre of curvature
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Experimenting whether the diameter of a pot affects boiling time for water
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How to obtain amplitude of current in parallel RLC circuit?
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Uniform Motion in 2D - A man chasing a bus
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Understanding the generic nature of linearity in Physics
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Ap physics 1 velocity center of mass question
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4
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863
Self-inductance of LC circuit given rate of capacitor discharge.
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Formula for the average EMF of generator
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Calculation of current in driven series RLC circuit
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Magnetic energy density, self-inductance of coaxial cylindrical shells
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Test question: What is true for a mechanical impact?
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Find work given two conservative forces and a nonconservative force
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Two candles making shadows of one another on opposite walls
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Atmospheric pressure and water pressure - Boyle's law
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Confused about how forces in a pulley balance
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A vertical U tube rotates about the vertical axis -- Find omega to cause this height offset
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IPHO classical mechanics: A mass falls on an exoplanet
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Electric field & force due to charged insulating hemispherical shells
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Induction heat flux density induced by wire in a slab
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Non-Uniform Magnetic Field Calculations
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Power Radiated From a Copper Cube
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Modelling a metal detector using eddy currents from Non-Destructive Testing
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Forces on Elliptical Current Carying Loop
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Friction Required for Billiard Ball to Roll without Slipping
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How to find the potential of a field that has regions of non-zero curl
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Sound Wave Diagram Help
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Determine the velocity of the Slider
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Building a Marble Catapult
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Gauge pressure due to a floating body
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Sign conventions for Kirchhoff's loop rule
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Resistance force changing the velocity of an object
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Thermodynamics: Cooling of a heated block of iron in contact with air
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Work done by power supply to maintain a constant current
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Unit vectors that change as a function of time
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Electric field at a point inside a non-uniformly charged sphere
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Looking for data about different types of carbon fiber chemical properties
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Angular momentum conservation on a merry-go-round
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Power dissipated over 1 cycle of a AC source-free RLC series circuit?
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Angular momentum for a bullet and a rod attached to a ceiling
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Force Between 2 Coaxial Current-Carrying Loops
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How Long for a Beam of Light to Reach Earth?
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Particle confined in 3D box - quantum states
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How to Calculate θ3 After Finding θ2 Using Snell's Law?
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Electric field vector equation: Finding the neutral point for two charges
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Find number of microstates of combined system
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Experiment measuring the distance dependence of a suspended metal bolt from a magnet
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Induction confusion for induced charge inside a metal conductor
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Significant figures doubt
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751
What would the slope of the force between 2 charged particles vs 1/r^2 give me?
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Gauss' law and the potential V (plane layer case)
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Water flowing out of a rotating vessel
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Using Kepler's laws to calculate elliptical planetary motion
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Help with Friction Forces: Box resting on a board on a frictionless surface
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What is the unknown circuit element in RLC circuit given plot of V, I?
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Find at what rate the orbit radius will grow
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Initial velocity of rolling ball
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Did my textbook make a mistake when writing these units?
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Fresnel Lens - Solve for Lithography & Power
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Physics about electric circuits: Changing the resistors changes the currents
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Thermodynamic Work vs Mechanical Work
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Classic Incline problem with cylinder
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Using conservation of energy and momentum in projectile motion
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Torque calculation of CV joint
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Lagrange equation for block and incline
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Fundamental quantities and derived quantities
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Projectile Motion Problem Involving Initial Velocity and Gravity Only
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Cart sliding along horizontal with spring connected
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Does the voltage across a battery include its internal resistance?
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Calculate electric force using Coulomb's law (vector components are the struggle)
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Two tourists and a bicycle - uniform motion
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How many people can be on the raft?
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Find the magnetic induction vector
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Blowing Into Your Own Sail
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Drag Forces and Terminal Velocity
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Why the need to be careful opening a switch on this RL circuit?
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Ratio of frequency between heavier and lighter part of composite cord
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Need help, to help, a friend with their HW (High School)
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Current in circular wire surrounding infinite solenoid in a circuit
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Determining the sound level of a leaf blower
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Average velocity in different coordinate systems
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GRIN Lens - Gradient Coefficient Expression
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Help please on essay about star formation
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Torque on a Pivot Point With Multiple Forces and Different Directions
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Variation of escape velocity with equal surface gravity
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How to calculate gamma ray energies following beta decay?
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Minimum force to tip the bin over
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