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 Accelerations in an Atwood Machine with an Applied Force
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Pressure in Liquids: How Does It Affect Volume?
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Solving for F2 in the Turning Effect of Force Problem
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Effect of Rotating Polarizing Films
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What is the initial charge of the second object in Coulombs?
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Viscosity & Temperature - Linearisation and glycerine?
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Can someone check my setup for finding E.dl?
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Finding torsion constant of the wire?
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Atomic Structure problem regarding interatomic spacing
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How an oscillator creates electromagnetic waves
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Aluminium weight buoyancy problem
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What Is the Optimal Kicking Angle for Maximum Distance in Football?
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Finding Period? Calculate Average in 4.56s for 10 Oscillations
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Freezing of water inside a hollow sphere which is rolling
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Ultra-Relativistic Particle Decaying to Identical Particles
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Showing E.dl is 0 - Why cylindrical coordinates?
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Show that three new found nuclei are unstable
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Calculating Force in the Turning Effect of Force Equation
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How do the electroscope leaves behave after grounding?
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Collision and rotation problems?
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Current Dividing in an Electrical Circuit
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Max ω of circular hoop rotating around a peg and oscillation
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Dynamics Questions involving Friction
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Determining the width of a slit
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Potential difference across a resistor
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Nuclear Stability: Z & N Combinations for A=22
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Linear algebra, field morphisms and linear independence
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What is the phase margin and gain margin for this circuit?
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Finding the torque on a wire between two poles
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Calculating Resultant Vector: Explained
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Wave Particle Duality For Electrons and Photons
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Force on conductor in magnetic field
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Is there a relationship between acceleration and jump height
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Determining the direction of magnetic force
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Ball floating on the surface of water
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Amplitude of particles in progressive waves
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Relativistic Decay: Calculating Pion Momentum
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Simple closed force system -- Mechanics
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Atomic Structure- Energy diff between levels
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What is the entropy for an irreversible adiabatic process?
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Magnetic field at the center of 3 wires carrying current?
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Ampere's Law with a coaxial cable
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Impulse Question -- A car changing speed and direction
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Electric field inside/outside (uniformly charged sphere)
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Contact Lenses Optics Problem (Two-Parts)
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Calculating the Number of Lines on a Diffraction Grating
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Calculating Orbital Angular Momentum: What Is the Correct Answer?
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Find the charge on the outer surface
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Momentum of a Photon: E/c=p Explained
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What is the result of connecting two identical storage batteries?
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What Is the Optimal Firing Angle for Maximum Range When a Car Moves at 20 m/s?
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Momentum Problem: Is this correct?
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How do I calculate the gauge pressure?
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Find the charge on the conducting surface
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Projectile Motion Problem: Maximum Height of a Ball Shot into the Air
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Find the electric field at a point away from the charged cylinder's axis
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Distance between adjacent fringes
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Effective resistance between two points using symmetry
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Parallel Circuits - Joining 2 branches together
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Determining the B-field in center of current carrying loop
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Why Is There a Limit to Drinking Water Through a Straw?
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How Does Friction Affect Acceleration on an Incline?
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Calculating a push force using area, speed, and density?
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Velocity of a football with and without drag
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Elastic collision of block on block
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Energy question, what are the quantities conserved?
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Finding a third method to determine light wavelength
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Can a neutral insulator be attracted to a charged object?
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How does radius affect frequency in uniform circular motion?
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Biot-Savart Law with two semi-circles
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Alpha particle approaching a gold nucleus
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Momentum question -- What quantities are conserved in an elastic collision....
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Force from a Current in an Infinite Wire on a Square Wire Loop Nearby
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Period of a physical pendulum with a pivot at its center
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Short-circuited Resistance in Parallel with Reactance
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Increase in the volume of a sound
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Finding acceleration from the angle made by a hanged ball.
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Help with Coulomb's law problem
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Criteria for Determining Satellite's Return from Orbit?
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Physics Lens Problem: Find Object Distance
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How to find speed with Faraday's law
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Direction of the Magnetic Field at a Point
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Find the acceleration of a block on an inclined plane with a pulley
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How Are Reaction Forces Calculated in a Hinged Beam and Strut System?
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Single/double slit diffraction intensity
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Statement slit separation young's double slit
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Acceleration of a uniform solid sphere rolling down incline
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Moment of inertia of a half disk about an axis
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Is D(x,t) = ln(ax+bt) a solution to the wave function?
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Effective resistance between two points problem
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Motion of a Charged Particle in Magnetic Field
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Find the voltage and energy for each capacitor
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Solving Torsion Direction Homework Statement
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Maximum Acceleration of sliding crates
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Determining the coefficient of viscosity of water (Graph Problem)
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Intermediate-Calculate a weight using conservation of energy
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Wheatstone Bridge at Null position
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Stress Problem Solution for Homework with Simple Equations
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Question about tensions in pulley problems?
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Calculating Rank Pulley Forces with Newton's Equations
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