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 High Must an Object Be Dropped to Achieve a Force of 203.66N?
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Circular Interference, Newton's Rings
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Long string wrapped around cylinder. Find cylinders angular speed?
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How to apply bernoullie's equation
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Maximum Working Voltage of a Capacitor
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Calculating Amplitude of Standing Wave at a Given Point
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Charge on three metallic plates
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Overlooking something, Need Help
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Question about Newton's Third Law of Motion
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True False-two long current carrying wires?
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Transfer function for a low pass filter
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Gauss's Law with NONuniform E field
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Ray diagrams (lenses) problem. I need full explanations.
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Are These Answers Correct? True False E&M
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What Angle of Bank Is Required for a Jet Fighter's Turn?
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Solving Speeds of Objects after Collision with Two Angles
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Projectile motion max height problem
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How Do You Convert Colors to Red Using Given Conversion Factors?
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Speed of an arrow using distance and angle with the ground
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Properties of Gases: Volume Change with Cooling & Pressure Increase
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How Do You Multiply Large Numbers in Scientific Notation?
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Constant acceleration motion problem
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How Do You Convert Units Using Given Conversion Factors?
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How Do You Calculate the Orbital Period of a Satellite?
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How many revolutions will the car go through?
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Find charge density of simple electric field
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Simple force with friction question
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Vector addition and subtraction
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How Do Physics Equations Explain a Motorcycle Police Chase?
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Solve Kinematics Confusion: Motorist vs Police Car
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Exit Angle & N2: Solving 26°-64°-90° Prism Problem
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Calculating Final Photon Energy in Inverse Compton Scattering
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Projectile Motion (checking my work, one question)
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How Is the Charge on a Suspended Oil Drop Determined in Millikan's Experiment?
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Angle of deviation and angle of incidence?
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What is the weight of an astronaut before lift off in kilograms?
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Finding distance of approaching charges
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Electric Forces between three charges
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Half of maximum possible projectile range
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Oscillations, velocity, elasticity
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Algebraic Sums of Currents/EMFs in Junctions/Closed Loops
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Understanding Oscillation Frequencies and Mass Ratios in Elastic Systems
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What Angles Will Hit a 91.4m Target with a 596 m/s Bullet?
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How Do You Convert Time into Radians and Calculate Rotational Acceleration?
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How Does Charge Q Affect Electric Flux Through a Hemisphere?
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Calculating Motion with Constant Acceleration: Solving for Time and Distance
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Phase Difference of Wave and Reflected Wave
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I'm going to cry Need help setting up kinematics problems
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What Current Prevents the Cylinder from Rolling Down the Inclined Plane?
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Magnitude of Electric Field at a Point
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Motion in two dimension problem. Range and Height.
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Calculating Induced EMF in a Circular Loop Antenna
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Spring compressed, find velocity.
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LC/Resonant circuit - the maximum capacitor energy
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Solving Del Cross Question: Why is del x dB/dt = mu dJ/dt?
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How Do You Calculate Heat Released When Steam Turns to Ice?
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Incline/Spring/Pulley Friection problem
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Frictional work inside a circle
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Calculating Speed of Light in a Diamond
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Please help: Normal force for box on an inclined plane = mg/cos(theta)?
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Find angular accleration to find torque
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What is the meaning of the term ''refractive index of a medium''?
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Find the distance from the source of power
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Positions for sound intensity max/mins
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There HAS to be a mistake in this question (simple vectors question) please look
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Ratio of RMS Speed of Oxygen to Nitrogen Molecules
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Explaining Electric Flux with Enclosed Charges
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A basic question on Electromagnetic Induction
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Work done in an accelerating frame.
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Why Does a Force Greater Than 4µW Cause Sliding Between Stacked Boxes?
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Two Masses, a Pulley, and an Inclined Plane
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Work and electric potential energy of a capacitor
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Phase Change Problems: How to Solve for Heat Release and Temperature Changes
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What Is the Capacitance of a Homemade Parallel Plate Capacitor?
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Analyzing Frictionless Motion: Va vs Vb
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Struggling with Phase Change Problems? Need Help Understanding the Concepts?
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Particle Launched over 13.7m Gorge - Speed & Angle Calculation
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Free-Fall Physics Problem: Position, Height, Time, and Speed of a Falling Brick
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How Do You Calculate Gamma in Thermodynamics?
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Constructive/Deconstructive Sound Waves
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Find the magnetic field at the center of the square
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Resistance of New Wire: Answer the Question
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Position, displacement, velocity, acceleration vectors
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Physics Grade 12 Electricity (WHAT DID I DO WRONG)
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Charge Q is distributed uniformly over a thin rod
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Refractive Indexes of Different Colors of Jell-O
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Consider two metal spheres of radii
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Two Light Waves Through Plastic
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Equivalent Capacitance of capacitors
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What Is the Minimum Energy Required for e + p -> Neutrino + Neutron?
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Finding the electric field of a electric quadrupole
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Calculating Orbital Period of Asteroid Between Mars & Jupiter
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Entropy of Cube-Water System Problem
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Relative velocity - plane flying
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Physics Grade 12 HELP Electricity Unit
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2 balls thrown, what is the speed
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How Does Relativistic Kinetic Energy Derive from Force Integration?
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What is the Plane's Bearing from Its Original Position After Changing Course?
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How Do You Calculate the Magnitude and Direction of Coplanar Forces?
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Tranverse velocity of a point on a string
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