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.
Maximizing Horizontal Range: Projectile Speed and Angle | Physics Homework Help
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What is the optimal radius for the inner cylinder of a cylindrical capacitor?
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Two Problems on Rotation of a Rigid Body
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Calculating Wheel Torque to Accelerate Up a Hill
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Work Done on a Bucket in a Well
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What is the fluid velocity in a restriction using Bernoulli's principle?
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Can the Crew's Plan to Fragment an Asteroid Succeed?
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Can a Bowling Ball Really Travel 200 Meters After Launching from a Ramp?
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How Does Increasing the Frequency Affect Accuracy in a Circular Motion Lab?
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Gauge Pressure (teacher completely skip this)
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Bouyancy - throwing rock overboard
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How much work is done by the gas?
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Elastic head-on collision homework
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How to Calculate Power Supplied to Resistors in This Circuit?
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What is the minimum power required to operate the heat pump?
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How Does Constant Pressure Affect the Final RMS Speed of an Ideal Gas?
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Maximum current IN the resistor
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Plug cos^2(30) into my scientific calculator
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What happens to circular motion when the radius changes?
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How Does the Cyclone Roller Coaster at Six Flags Use Physics Principles?
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Mass of a Spring: Does it Affect the Period?
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Understanding Simple Gravity Pendulum - Urgent Help Needed
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Finding the Spring Constant - Help Algebra Issues
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Perfect heat powered engine, my TA says:
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OUNT OF WORK INPUT FOR A CARNOT REFRIGERATOR
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Calculating Work Done by Gravity on a Ski Slope
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How Do You Measure Tension in a Rubber Band Wrapped Around a Cylinder?
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How is Vmax Derived as 2πfA from Given Formulae?
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What are some helpful resources for calculating stress and strain in beams?
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What is the heat of a system when it expands by 0.67 m^3?
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How Do Antenna Phase Differences Affect Radio Wave Intensity and Direction?
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Equilibrium Temperature of Cup and Water When Adding Ice - Homework Solution
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Moments of Inertia-Big Confusion
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Melting Ice in water and the final Temperature
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How Long to Heat 250g of Water with a 250-Watt Heater?
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What is the final diameter of the bubble rising from the bottom of a lake?
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How Does Skier Speed Affect Wave Frequency and Wavelength?
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Crystal Questions: Calculating Distances & Atom Positions
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How Do Fluid Dynamics Affect Medical and Environmental Applications?
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Calculating Resonant Lengths of Air Columns
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Distance relationship between primary/secondary coils
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Ratio of Resultant Wave to Common Amplitude: Pi/2 Rad Out of Phase
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Work to move a planet's satellite
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Calculating Internal Energy at Victoria Falls
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Finding the Length of a Resonating Air Column
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How Long is an Organ Pipe That Resonates at 128Hz?
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Electrostatics: A square with point charges on the corners
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How Does a Man Sliding on a Cart Affect Their Combined Speed and Energy?
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Coefficient of Friction of a wooden box
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Calculating Interference Fringe Spacing with a Point Source and Mirror
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Calculating 2nd and 3rd Resonant Lengths
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The Bio-Savart Law applied to a square loop
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Conservation of Linear Momentum of exploding object
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Weight on the surface of a black hole ()
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A couple of problems on motion and force
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Triangle Problem Homework: Solving for Ball Speed After Collision
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Resultant Wave Shape When 2 Semicircles Meet
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Minimum energy required to escape the grav field
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Force/Energy Problem: Jump from Window
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Calculating Heat Added/Removed to Ideal Gas System
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Calculating Speed of Military Airplane at Mach 2.00
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Calculating Mach Number of Aircraft at Sea Level
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Calculating Mass of Unknown in Torque Lab
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What is the Common Temperature for Expansion of a Steel Ring and Aluminum Rod?
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What is the Angle Between the Target and Incident Ball Post-Collision?
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Why Doesn't My Impulse-Change in Momentum Lab Show a Linear Relationship?
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Volume of Bubble: Solve for V2 at Depth of 30 m
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Solve Pendulum Problem: Length .76m, Mass .365kg, Angle 12˚
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Potential Energy Homework: Particle x Separation and Kinetic Energy E
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Physics 11: Solving for Initial Speed of a Van and Compact Car Collision
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Solve Physics 11 Problem 16 with Momentum | Help with Calculations
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Solving Physics Problem 23: Velocity Ratio for Students on Roller Skates
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How Do You Solve Momentum and Impulse Problems?
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Max Weight for Newton Law Problem Homework
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Angular Velocity after addition of mass?
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How Can Physics Solve These Complex Problems?
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Why did my force analysis for a conical pendulum problem yield the wrong answer?
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Max Height of 2kg Object in Newton Law Problem
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Could you calculate the mass of the planet?
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Moment of Inertia for a circular platform system
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Work - Acceleration of an elevator
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Calculating Buoyancy of Steel Boat
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Heat capacity problem-wher am i going wrong?
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Thermodynamics Debacle: Ideal Gas Expansion and Work Calculation
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Thermodynamics temperature question
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Calculating the Ratio of Planetary Orbital Periods
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How to solve for unknowns in a spring constant problem
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How Is Electric Potential Energy Calculated in Electron Orbit Problems?
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Why Do Floating Logs Move in the Opposite Direction When You Walk on Them?
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Modeling an electron in a Magnetic Field
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How to Accurately Measure Vertical Distance in Projectile Experiments?
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The effect of temperature on frequency
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Momentum problem due this Tuesday
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Moment of inertia for a rhombus
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Yo-yo & Torque: Force, Linear and Rotational Motion
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How Do You Solve This Momentum and Projectile Motion Problem?
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General Question- Compuing velocity of a center of mass
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Need Help Drawing Electric Field & Equipotential Lines? Learn from Experts Here!
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How many years would it take before the ice melted?
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Find the magnitude of the difference between the weights (temperature question)
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