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 Calculate Tilt for an AR-15 Simulator?
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Potential energy in case of Atwood machine
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Bastelanleitung für Stromlinienkörper
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A boat being pulled by two other boats with cables
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Calculating the theoretical force of repulsion between two magnets
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Block pulled up the incline problem
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Is Electric Flux Through a Half Sphere Zero According to Gauss' Law?
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To find the reaction in a system at a ring
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A block coming down the incline
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Find the electric field of a charged arc a distance R away
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Why does a traveling wave pulse get distorted?
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Entropy: Does Disorder Really Measure Order?
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To find the forces acting in a system in equilibrium
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Toroidal Inductor Flux Calculation
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Work done in moving a body up an incline
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Understanding Fourier Transforms
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Electrical flux passing through the cube
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A block falling onto a spring (SHM related question)
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Finding the quantum number using Morse Potential
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Why don't we account for energy lost in collision here? SHM
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Electric Potential Difference -- Conceptual Question
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Energy Conservation Spring Pulling Mass Up Incline Plane
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How do we calculate the desorption rate in this case?
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Question on the Newtonian displacement of light
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Find net velocity of charged particle in electric field (symbols only)
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Experiment with an Electroscope, a Charged Rod and my hand
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How Does Pivot Point Location Affect the Time Period of a Physical Pendulum?
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Energy required to move an object to Earth's surface
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Can High Velocity Cause Hailstones to Melt?
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Relating Linear and Angular Kinematics
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Solving Part (b): Find F3, F4, F1 and F2
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Comparing Cube A & B's Temperature Change
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How Does Water Affect the Net Force on a Submerged Stone?
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Evaluating the boundary conditions for a rectangular pipe
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A misconception I have about impulse formula interpretation
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Why can the potential energy at any point be chosen to have any value?
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Bomb explosion -- calculating the momentum of one of the fragments
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How to Calculate Variable Force on a Particle with Varying Coordinates?
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Could the Image from the First Mirror Be Real for the Second Mirror?
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What Is Centripetal Acceleration?
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How does Newton's 1st Law impact centrifugal force? Does it exist?
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Ways to improve the washing of car rims
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Horizontal velocity of a basketball as it goes through the hoop
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Mass, density, volume: Find the volume of an alloy
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Finding the mass of two metals in an alloy
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Net Force of A: Diagram Analysis
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Calculating the Radius of a Hot Air Balloon to Withstand a Load of 300 kg
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Is Bulb A Brighter in a Parallel Circuit Due to Potential Difference?
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How do I calculate static and dynamic pressure for a wind tunnel lab report?
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Amount of work in displacing a brick
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Power formula for circuit when another resistor is added in
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Newton's Cradle same diameter, different mass
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Two balls one thrown up and other down
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Same frequency sounding different
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How can I find "dx" in a straight line of electric charge?(Picture)
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Time dilation and length contraction for a rocket
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The velocity of the particle as a function of time
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Direction of of the velocity vector for particles in a sound wave
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How Is the Electric Field Calculated for a Point Outside a Charged Ring?
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Point charge in cavity of a spherical neutral conductor
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Finding the initial velocity of a thrown object using its time to max height
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I with this Circular Aperature Diffraction Problem please
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Experimental investigation of Faraday's Law of Induction
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The time for a proton to reach a certain velocity
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Exam Prep: Electric Field - Is It Zero?
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Calculating Angle & Speed to Reach Planet's Moon from Station Orbit
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Work per particle of a NaCl chain
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Why do I have a bending moment and an axial displacement here?
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Kinematics - can't find the initial velocity according to the image
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Should I Consider the Electric Field Outside a Uniformly Charged Sphere?
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Can someone help me find which object is in static equilibrium?
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Work Done by Friction & Gravity on Incline: Explained
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Inconsistent problem about centrifugal/contact force
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Figuring Out Heat Transfer & Entropy of Steam at 10 MPa
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Work done on a pendulum by gravity
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Displacement Electric Field Outside Dielectric Material
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Potential Energy of the Atmosphere
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Changing capacitance effect on ripple in full rectification circuit
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The distance traveled by a molecule at a specific temperature
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What mistake am I making when calculating work done by a force?
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Hot air balloon mass including increase in mass with balloon volume
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Orientation of Major Axis for polarized light
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Calculating Time of Flight & Velocity of a Ball Thrown Upwards
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Rocket Design: Egg-Safe Landing Plan
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Please explain the relation behind this?
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[Optics] Questions on the Stokes shift
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Finding the acceleration of the ball in contact with the ground during bouncing
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Work required to extract heat from a refrigerator
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Ideal gas law- Find the pressure
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Where does the equation C=2*sqrt(km) for Critical Damping come from?
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Fluid Mechanics: Fluid Transfer Between Two Reservoirs at Different Heights
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Is This Momentum Conservation Equation Correct for a Gas Ejection Problem?
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Finding an expression for the efficiency of a heat engine
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Do i need to find the x and y components?
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Equilibrium of Two Blocks in a Wall System: A FBD Approach
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A satellite in orbit in a system with one planet and two moons
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Physics behind the sound of guitars
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How to take a moment into account for deflection of a beam
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Find Time to Reach Top of Beaker (10 cm)
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Cartesian and polar coordinate in Simple pendulum, Euler-Lagrange
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