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 Average Speed on a Road Trip | Physics Help for Beginners
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How Far Does a Ball Travel After Rolling Off an Incline?
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Voltage Measurement in a Capacitor Circuit with AC Charging
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Expressing Vector R in Terms of A, B, C, & D
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Solving an Optics Exam Problem: Interference Fringes
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Alternating current peak value
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Solve Collision Velocity: Mass, Friction & Impulse
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What is the Work Done by a Heated Metal Rod?
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Solving a DC Current Magnetic Flux Problem
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Derive an equation for electric potential V(z) on z axis
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Moments of a Ladder Propped Up Against A Wall
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What Does W/(g2 cm3) Represent in Power Density Units?
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Solve Dropped Samovar Problem w/ Physics HW
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Coalesce of mercury dropssix at different potential
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Minimum initial velocity for throwing a ball off a hemispherical rock
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What is the Time Interval Between Arrival of Wave Fronts at C' in S?
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How Is Impulse Calculated for a Rocket with Changing Mass?
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Finding magnitude and distance of a particles acceleration
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How do I find final velocity using conservation of energy
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Did Galileo's Experiments Prove Aristotle Wrong?
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Putting an equation into y = mx+b form
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Problem of a tank with a trapezoidal section
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Direction of the Electric Field
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Gold leaf electroscope problem
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Conservation of energy word problem
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How Big is the Oil Slick Created by Spilled Oil on a Lake?
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Is a 2D Badminton Projectile Model Sufficient for an IB Physics Extended Essay?
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Solid conductor sphere with cavity inside
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Fundamental Frequency of 6m String Vibrating at 16.5Hz
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Specific heat capacity of calorimeter
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Particle Collision: Max Deflection of 2kg Part
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Need some help with this homework -- Conducting Spheres and Charge
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Non-centered Rotating Arm with Hinged Weight
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How do I calculate vector magnitude with given coordinates?
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You have to recognize the formula for an LC circuit and its resonance frequency.
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Two observers must agree what each clock reads....
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Solving Momentum & Force for Car & Truck Collision
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Thermodynamics of mercury thermometers
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Morin classical mechanics page 326 example
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Converting Units: Solving a Simple Density Problem
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Projectile with Air resistance problem
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Calculating the Effective Spring Constant of a Charged DNA Molecule
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Optimizing Hiker's Route to Forest Cabin
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Finding the magnitude of 2 vectors given the resultant
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Acceleration of ball due to gravity
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Determining the height of an angled projectile after 10m
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Determine acceleration from velocity-position plot
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Vectors given the resultant and angle
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Finding Speed of Neutron after Decay
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Calculating Current and Voltage in a Circuit with Multiple Resistors
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Where Did F = dp/dt Originate?
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How Does Air Pressure Affect Curveball Distance in Different Ballparks?
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Angular Momentum in a pulley-block system
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Just trying not to look like an idiot to my wife
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Finding 2 of 3 Forces Given 1 and a Resultant
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How to Solve an Ideal Gas Equation Problem with Changing Tire Pressures?
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Tension on Rope in Elevator: Find the Right Formula
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Answer: Calculate Torque: 0.8 Nm
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Curl of the vector potential produced by a solenoid
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Solve Refractive Index Homework: Order of Interference & n
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Cylinder with point mass angular momentum
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Conducting sphere within a conducting shell
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Electric Force: Magnitude & Direction Calc.
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Calculating Work Done on a Hanging Chain Using Mass Density and Length
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Forces acting on a pulley question
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Hypodermic Needle Fluid Dynamics
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Determine the value of a decay constant
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Could electromagnetism work in a catapult?
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Potential Energy of a 2D Crystal Lattice
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Specific heat capacity of metal
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How Do I Resolve Discrepancies in Magnetic Circuit Calculations?
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Equivalent Resistance between A and D
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Equations of Kinematics, including gravity
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How Long Does It Take for Electro-Fiasco I to Travel 1.0 km from Start to Stop?
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How is Wave Intensity Calculated?
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Calculating Distance with Non-Uniform Acceleration
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Particles Statics: Tension in Ropes & Angle Alpha
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Solving a Kinematics Problem: Throwing a Ball to Clear a Peaked Roof
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Finding kilograms of water on a spherical planet
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How Does the Work-Energy Theorem Apply to a Slipping Chain?
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When does the bead fly off the rod?
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Momentum and Conservation of Momentum Problem
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Acceleration of mass with friction
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Solving rotational motion without torque
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Frictional Force on ball rolling down incline
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Unable to solve rotation KE problem using torque
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Easy statics problem -- Block being hoisted by a pulley and rope
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Wave propagation with water moving
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Electric Potential due to two charges
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What is the specific heat of boiling water converting into steam?
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Are py and pz Compatible Operators in Quantum Mechanics?
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Spring & Capacitor Homework: Equations & Solutions
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Magnetic field due to a loop within the area of the loop
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Diffraction grating that gives max intensity
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DC Current: RA1, RA2, RA3, I1, I2, I3
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Resistance of thermistor in hot water as it cools
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Moving on a spinning chair initially at rest
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Block and disk on double inclined plane
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Problem of a tank with trapezoidal section.
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Calculating the total and partial pressure of gas mixture
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