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.
Find the moment of inertia of a thin wire of mass
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What is the solution to a box with a spring connected to it?
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Calculating the Boat's Velocity After a Simultaneous Dive: Momentum Conservation
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Calculating Relative Maximum for Sound Waves from Speakers Separated by .7m
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Calculating Pressure: Blood Height Above Arm Vein
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Double Slit Experiment glass thickness
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What is the frictional force acting on a car at 120 mph with a 30 hp engine?
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How do you find the moment of inertia about a centroid of a isoceles triangle?
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Calculating Bubble Velocity and Work in a Fluid Container | Help with Pressure
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Calculate Acceleration of Crate with Friction & Forces
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Solving Rotational Motion: Max Speed on Spherical Hill
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Revolutions and radius of wheel
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Fluid Mechanics Problems: Pressure, Diving Depth, and Density Calculations
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How Fast and High Do Polar-Orbiting Satellites Travel?
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Block sliding down a ramp problem
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Discover the Isochoric Process: Calculating Temperature in a Sealed Tank
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Average force exerted on ball by wall at angle
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Maximizing Axe Swing: Acceleration, Centripital Force, and Impact Calculations"
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Solving the Circular Motion Puzzle: A Bus Coming to a Stop
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Determine the Angular Acceleration of a Rotating Door
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Calculating Force to Raise a Dentist Chair
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Circular Motion: Centripetal Force & Acceleration
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Angular and Linear Motion on a Merry-Go-Round: A Logic Check
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Tension of Cable Cars in San Francisco's Cable System
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Spacecraft orbiting sun, change in velocity
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How Far Can a Person Walk on an Overhanging Plank Before It Tips?
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Can a rocket go faster than it's terminal velocity?
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How Do You Calculate Cable Tension in a Bird Feeder Setup?
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What is the total entropy change of the system tea + air?
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Solve Electromagnetics Q: Magnetic Field Strength @ Point P
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How Much Energy Does a 1.1 HP Air Compressor Motor Consume Daily?
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Finding mass of a sliding block
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Calculate Energy of Satellite Orbiting Earth at r = 13/2R | Homework Solution
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What is the bicycle speed after the throw?
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Greatest RMS voltage generated in a circuluar loop antenna
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Can Two Bodies Achieve Thermal Equilibrium Without Contact?
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How to Design a Car Powered by a Suspended Mass for a School Project?
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Solving a Box Sliding Down a 20 Degree Sloped Plane: Finding Acceleration
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Eng Mechanics: Resultants of force systems
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How Is the Retarding Torque Calculated in a Rotating System with Friction?
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What Is the Minimum Thickness for Constructive Interference in a Thin Film?
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How Does the Photoelectric Effect Apply to X-ray Tube Mechanisms?
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Find Intensity of Light After Removing Second Polarizer | Polarizer Easy Q"
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Torque exerted on trap door by rope
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What Is the Average Power Output of an Elevator Motor During Acceleration?
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Calculate Distance from Right End When Plank Tips
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Can I Use a Capacitor to Power My Home Outlet?
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Destructive interference and fringes
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Kinetic energy with momentum equation
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Change in linear Momentum(rebound)?
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Box being pulled up a ramp by a horizontal force
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Calculating Force on a Simple Water Squirter Plunger: A1, V1, A2, V2
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Conservation of energy of a sliding block
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Understanding Conventional Current and Electron Flow
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Gravitation/Average Force Problem
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How Does Blood Temperature Change During Exercise?
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Box on a ramp: What is the reaction force on the box due to the ramp?
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What Are the Best Physics Logic Puzzles on Forces and Energy?
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Near Point Without Spectacles: 1m
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Final Velocity (involving momentum)
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Sound wave intensity of elephants
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Length vs. Period: Comparing Linear & Quadratic Relationships
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Displacement of a car before it stops
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How Much Force Stops a Pole Vaulter?
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Painting a Dome with rollerskates
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Time When Pendulum Clock is Put on Moon?
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What Is the Spring Constant and Velocity of a Box on an Inclined Plane?
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Work done and rotation of record player
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What Is the Angular Acceleration of a Steam Engine Flywheel?
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Rotational KE: Calculate Energy of 2 Astronauts | 739.3 J
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Tension Force Direction in Inclined Block Problems
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Calculating Average Force of Bullet Impact on Block
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Find Speed in Centripetal Motion
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Rigid body acceleration question
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Calculating Force on Pillars: A Physics Moment Question
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Conservation of momentum spaceship problem
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Kinetic energy: car stopping, finding speed of car
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Find Tension for Centripetal Motion
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Calculating Magnetic Field of Two Wires at a Point (x, y)
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Calculating Pressure from Stacked Bricks: Fluids Homework Solution
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Calculating Wavelength of a Harmonic Wave
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How Do You Calculate Total Work on a Car Coasting Downhill in Physics?
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What Are the Tensions in the Cables When a Crane Lifts a Load?
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Understanding the Application of the Parallel-Axis Theorem
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Where Has the Missing Energy in a Stretched Wire Gone?
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Friction in the Direction of Motion
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What Distance x Gives the Least Period for a Physical Pendulum?
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Momentum of bullet fired into target
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Calculating Acceleration and Work in a Changing Force System: A Graph Problem
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Mechanics: mass on moving slope. no friction
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Projectile Problem: Distance and Max Height
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Resultant of || forces: Eng mechncs
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Which Block Hits First, Block 1 or Block 2?
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Extended Experimental Investigation.
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Notation issue with the integration of exponents.
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Representing a wave as a complex number.
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How to Calculate Force on a Perpendicular Finite Wire Near an Infinite Wire?
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Induction and EMF: Homework Statement Solution
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Solve Weather Balloon Acceleration & Velocity Questions
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Tethebal| problem, radial acceleration, angle of ball orbit
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