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.
Thin heartshaped wire - Calculate the magnetic field at the origin
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Electric field generated by solenoid
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The gravitating of a small mass towards a big mass
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Finding downward force on immersed object
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Superposition of two one-dimensional harmonic waves
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Damped harmonic oscillation of a swingboat
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Doppler effect and acceleration of source
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Moments of force on Jenga tower
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How to calculate Earth speed of the Moon induced orbit?
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Glass prism and its refractive index
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Change in energy stored in a spherical Capacitor
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Electric field at the center of the equilateral triangle
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Solving Distance Traveled Using Formulas vs. Graphs
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Optimizing Polar Axis for Dipole in Polar Coordinates
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Initial speed of an object launched from Mars
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Can an ideal spring ever experience an unbound state?
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Solving Current & Power in 4 & 3 Wire Circuits
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Creating a Contour System: Results
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Find Initial Velocity of a projectile given flight time and angle
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Another way to find trig identities
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Helium balloon energy conservation
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Measuring wavelength of microwave radiation using double slits
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Change in temperature of air in a closed system
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Solar System Forces -- Simulating the planetary orbits for my project
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Symmetrical parallel inductors, different currents? State Preparation
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Single transfer lag in an open-loop system
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A particle in an infinite square well
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Speed of sound from resonant length of tube vs tuning fork wavelengths
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Use linear regression to find Planck’s constant
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Wrong B-Field Result: What Should I Have Done?
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Which hemisphere is the observer?
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Understanding the Adjoint of |01> in Quantum Computing
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How to approach dynamics problems?
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Gas temperature in a constant volume
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Force between point charges at the center of two spherical shells
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Finding the work done by a block
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Proof of angle in path difference formula for two slits
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Mass: Uniting Quarks & Antimatter in Unexpected Ways
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Calculating ΔE Difference for 2 Samples of Monatomic Ideal Gas
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Average distance between asteroids in the asteroid belt
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A (nonconservative) electric field is induced in any region in which...
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Thermal expansion of square from temperature increase of 50K
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Angular acceleration problem for a pulley used to raise an elevator
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How can the direction of propagation help in determining the phase of a wave?
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Rate of loss of potential energy
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Graphing Power vs Polarizer Angle using Intensity
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Power dissipated by a resistor on a coaxial cable
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Calculate the induced EMF of a rotating loop
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Rocket acceleration problem: confused about Newton's 2nd Law
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Question involving clockwise angular movement
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Measured Surface Resistivity Much Higher than Theoretical Value (Why?)
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Question involving angular acceleration of a spinning wheel
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Direction of static friction between a vehicle and circular dome
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Power and Efficiency without mass?
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Vector-Force image and resolve force
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Acceleration & Normal Force of a Box: 4 m/s2 & 418 N
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Vector sample problem -- Force components on a spring mechanism
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Conservation of power in a traveling wave on a string
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Expert Tips: How to Overcome Task Confusion
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Find speed of block using energy and spring equations? Help please
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Compression/Tension in Steel I Beams
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Forces acting on a block that is pushed against a wall
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At what angle must the boat travel so that it moves in a straight line
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Expected value of variance of Hamiltonian in coherent states
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Exploring Periodic Distribution of Rigid Balls in a Vast Space
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Electric Field Inside Cylindrical Capacitor
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Normal Forces on a Sphere in a Non-vertical Groove
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Pressure applied to the ground by a man standing on stilts
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Ray reflecting off intersecting mirrors
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A pulley system with two pulleys and two suspended masses
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Vector problem, magnitude of the force
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Projectile Motion Using Vectors
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Trigonometric Relationship for Light Passing Through a Slab
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Solving Confusions on Pulling a Spool
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Flag orientation for a boat observer Vs a ground observer
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Galactic Dynamic Homework （Problem 2.1 of B&T)
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Simple Addition of Vector Forces on an Eye-Hook
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Question about travelling wave equation
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Electric motor problem -- Power to accelerate a toy train
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How can I troubleshoot and verify my calculations for magnetic force?
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Amplitude of a circular ripple at distance r from source
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How to prove that motion is periodic but not simple harmonic?
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Why does the war-wolf reach its maximum speed at the vertical position?
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Acoustics Question Confusion (Test Q)
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Infinite number of pairs of Force and distance R from AoR
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What kind of wire needed to prevent overheating?
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Energy conservation law question with capacitor
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Finding the work done by Spiderman
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Electric Flux through a semi-spherical bowl from a charged particle
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Equivalent capacitance of a circuit
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Friction, Mass and Acceleration: Analyzing Block Motion
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A Cylinder Rolling in a V-Groove
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Pulley, two masses and an incline
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Energy Density with a Dielectric
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Sum of angles with x,y and z axis made by a vector
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Kinetic energy transfer from shockwave to secondary body
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Student sliding bag along floor in elevator
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Non-inertial observer inside train
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Angle of acceleration in non-uniform circular motion
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Kinetic Energy / Potential Energy / Total Energy question
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