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.
Confusion on the magnitude of magnetic fields
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Percent Change Of current when the switch is closed
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Calculating Total Resistance in a Circuit: Delta - Y Formula or Simpler Method?
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Help solving the Rayleigh Problem in fluid dynamics please
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Suggest a geometry for headphone's speaker system
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Magnetic field due to the current flowing in a bent wire
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When calculating a car's acceleration, is it ok to substitute Torque?
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Why when the axis is pivoted, there is no torque in its direction?
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Net forces on a boat (propulsion, water and air resistance)
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Understanding Work Calculation in an Engine: External vs. Internal Forces
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Calculating the Variance for X^2: How to Find the Correct Solution
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Equation of motion and normal modes of a coupled oscillator
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Maximum possible speed of explosion fragments
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Eddy currents in Faraday's Law Experiment
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Unravelling the Math Behind an Unusual Sequence
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EMF shielding using a conductor
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Young's double slit equation problem
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How Do You Calculate the Electric Potential of a Square Plate?
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Olympic Kinematics Problem: Reaching the Goal in Time
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Kinematics problem — Calculating displacements around a circle
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Complex Scattered polarization vector? (Conceptual)
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Kinetics Problem: Head-On Collision Between Two Cars
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Calculating the expected value of a dice roll
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The final velocity = initial velocity + acceleration x time
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Equilibrium value for carbonation level in beer
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Thermodynamics Problem: Reversible and Irreversible Processes
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Masses, pulley, friction and rotation
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Cylinder rolling without slipping on a truck
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E&M: Field of a Wire with non-uniform current
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Understanding the Third Law of Newton — How can the forces be equal?
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Parallel Plate Capacitor Filled with Many dielectrics
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Angular Rotation and Acceleration
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Problem with gears — One geared wheel spins up another
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Velocity of bullet fired from a gun
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Deceleration of rocks sliding up a hill
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A mass being pushed up an inclined plane
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Pulling masses up a tilted plane with kinetic friction
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What is meant by multiplication in physics?
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Kleppner 7.10 — Using a gyroscope to measure latitude
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Electric dipole moment vs electric current dipole moment
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To find the closest approach of two ships
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What does a force of zero indicate about the total force acting on a particle?
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New amplitude of a spring-mass system when a 2nd mass falls on the first
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Calculating Force and Torque for Linear motion (image provided)
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Confirming Green's function for homogeneous Helmholtz equation (3D)
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Direction of resulting displacement
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How do you calculate displacement and direction in spelunking cave explorations?
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Force to make 2 blocks move relative to each other at constant speed
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Can I get help solving this bottle opener problem using torques?
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A string over a pulley with two hoops wound like spools on each end
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Calculating Minimum Power for Perception of Radiation from a Point Source
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Finding currents using Kirchhoff's laws
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Conclusion about wave propagation in SR given L dot S = N = L' dot S'
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Is there a proof about angular momentum conservation?
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Calculating velocity from the position versus time graph
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Show that Tv^(R/c_v) = constant
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Explain why Mo–95 & La–139 are more stable than U–235
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How Far Would a Galaxy Be with a Speed of c?
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A mass collides with a stick and they stick together....
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Waves and vibrations on a string
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Physics: Decreasing Speed Parabola Equation
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Lab Experiment: Estimate the error in these measurements of Ohm's law
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Distance traveled and period of a mass - spring - pulley system
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Wave propagation - Oblique Incidence
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Free body Diagram of a Plank resting on two Cylinders
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Proving that mass is an additive quantity
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Why should arguments of certain functions be dimensionless?
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What is the Period of a Near Rectilinear Orbit with Zero Minor Axis?
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Doubt about the elliptic orbits of the planets
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Detecting the Alignment of an Inf. Plane Capacitor: A Paradox?
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Can Mixed Units in Ratios Be Converted and Used Accurately in Calculations?
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Plot the space-time diagram of a photon and a spaceship
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Energy of n-Photons: Find Equation
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Find the instant of the collision
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Plot a photon on a space-time diagram
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Calculating the Moment from a Different Vantage Point
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Torque Balancing and Virtual Work: Solving for Equations in Force Balancing
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Stuck on Problem: Need Help Understanding P & Equation
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Can a Single Point Grapefruit Create an Interference Pattern?
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Torque on an atom due to two infinite lines of charge
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Calculating Electric Field for 4 Point Charges in a Square Configuration
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Solving the First Equation: v1, v2, & ωR
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[AC Circuit] How do we convert from the time domain to the phasor domain?
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Electric circuit -- Ohm's second law
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Earth's satellite and its first space speed
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Engine working between multiple temperature baths worse than Carnot
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Net Gravitational force on an object
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How do I find the frequency, speed and direction of a wave
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Origin of Potential Energy - 65 Characters
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Modulus of the electric field created by a sphere
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Calculation Involving Thermodynamics, Gravitation and Fluid mechanics
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Current Induced in one circuit by another circuit
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Potential at a Point: A Question of Solutions
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How can I solve for the x force component in this force expression?
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Mechanics: Two masses on a pulley causing two cylinders to accelerate
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Calculating Period of System with Masses, R & dX
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{ help } Calculating the B-field at the center of a solenoid
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How to get the magnetic moment for this loop?
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Calculating Exercise: Get Expert Help Here!
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Solid disk rolling down an inclined plane -- Some conceptual questions
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Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

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