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.
Which Collision Results in Greater Momentum and Energy Loss?
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Magnetic field variation with distance
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Does the observed frequency approach infinity or does it become negative?
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Finding angular speed/accel from tangential speed
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What is the magnitude of the current in this ionic solution?
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Equation of velocity on transverse wave
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Faraday's Law vs. V = vBl for determing potential difference of a conducting rod
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Open Gas Turbine - calculate T2, T3, T4, efficiency
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What Happens in a Relativistic Elastic Collision with Equal Masses?
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Electric Dipole Force between Ammonia and a Proton
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Induced current of a coil surrounding a solenoid
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Finding multiple ways to calculate or find coefficient of friction (μ)
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Calculating Pressure and Velocity in a Venturi Meter Setup
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Finding spring constant, damping constant and Q for suspension of a car
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Finding the relationship between wave speed and tension in a standing wave
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Ranking induced emfs and currents {Faraday's Law}
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Transverse longitudinal waves : slinky lab
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Calculating h in a Venturi Tube
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What are the Periods of Oscillation for Different Pendulum Configurations?
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Does Wave Speed on a Wire Change with Temperature Increase?
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How Is Kinetic Energy Transformed in Nuclear Fusion Reactions?
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How Do You Calculate the Focal Length of a Planar Convex Lens?
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Flow through a pipe, pressure, velocity, Bernoulli, etc
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Calculate the kinematic threshold energy of a proton
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How to Calculate Angular Acceleration and Kinetic Energy?
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Electric Potential : First concepts
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Heisenberg Uncertainy Principle
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How Much Energy is Converted from Mass to Kinetic Energy in Uranium Fission?
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Parallel Plate Capacitor: Electric field strength, flux & magnetic field
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Molar Specific Heat of a Gas in Terms of R & s
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Solve Huygens' Principle: Find Time & Angle at Interface
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Deriving Efficiency of a Diesel Engine Formula
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Calculating the Young's Modulus of Rubber - Calculation Check
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What is the minimum force needed to move a block with friction present?
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Banked Curve: Finding the normal force with friction
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Error estimation of moment of inertia of a flywheel
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Calculate velocity with initial height, range and angle
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What is the magnitude of the magnetic field inside the toroid
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Magnitude & Direction of Magnetic Field
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How Does Earth's Atmospheric Charge Density Vary with Altitude?
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How Do You Calculate Tension in Wires Hanging a Composite Shaped Plate?
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Calculate Thermal Indicated Thermal Efficiency Of An Otto Engine
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Albedo equations giving different results
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Electric Field inside and outside of Dielectric sphere
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Electric field with dielectric constant
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Magnitude of Current through a Rectangular Loop, given the Magnetic field
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Thermodynamic Problems: Work and Heat in a Thermodynamic Process
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Two stacked blocks, push using one block, static friction between blocks
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Conduction and displacement current density
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Standing Waves (tension vs. wavelength)
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Thompson's Jumping Ring with the ring in the centre of the solenoid
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Solving a Student's Experiment on an Ideal Gas: Molar Specific Heat Capacity
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Acceleration vs. mass (kg) graph
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Can Quantum Physics Calculations Be Troublesome?
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Gravitational field due to a cylinder
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Magnetic field in coaxial cables
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Electric field inside the bulb
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What Are the Energy Levels of a Quantum Object with Three Bound States?
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To Find The Height Of a Room by an Experiment using Simple Pendulum
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Density of a solid and Clapeyron equation
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Building a Strong Popsicle Stick Bridge: Tips and Tricks
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Problems on engineering mechanics
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Series circuit problem - am I correct?
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Dirac delta function (DE problem) solved
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How Do You Measure Thermal Conductivity and Dimensions of a Boiling Tube?
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Distance between atoms based on density
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Projectile Motion Experimental Error
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Why are certain procedures necessary in a potentiometer experiment?
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Calculating the direction and magnitude of the magnetic field in a 3D plane
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Best way to measure period of a pendulum.
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Finding the velocity for a given centripetal acceleration
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Determine the change in the kinetic energy
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How Does Frictionless Pulley Affect Acceleration in a Modified Atwood's Machine?
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Why is copper diamagnetic without a prefix?
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Magnetic field at a point due to current carrying wires
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Electromagnetic waves [simple one]
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Find the charge of 2 point charges, given Uelec and total charge
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Speed of Tsunamis: 650 km in 4.9 hrs = m/s
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Precautions for Accurate Temperature Measurement in Cooling Experiment
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How Does Centripetal Force Relate to Frequency, Speed, Mass, and Radius?
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Rotational analysis of chain and sprockets system
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Air Conditioner: Refrigerator or Heat Pump?
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Using Kinematic equations to describe a falling object
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Archimedes' Principle - Submerged object in a fluid
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Calculating Atomic Bomb Shockwave and Blast Radius Formula
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Calculating Tension in a Two Pulley Atwood Machine
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Stuck in a question from exam -- Car decelerating to avoid hitting an obstacle
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How long does it take the sun to melt a block of ice?
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Electric field and electric forces
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Electric Field Vector for point charge
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Solving Two Speaker Intensity Problem: f1, f2, f3
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What is the relationship between tension and number of loops in a standing wave?
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Ray Diagram: Small Bulb & Convex Lens
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Charge-to-mass ratio of electron/proton
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Single Phase Transformer Tutorial: Get Help & Answers!
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Evaluating Magnetic Field Measurements on a Cylinder
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Potential Energy and Conservation Energy.
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A few faraday law questions and emf,
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Resistor, capacitor, and inductor in series
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Electric Field Strength Inside Concentric Uniformly Charged Spheres
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