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 Many Photons Does a 1-kW Radio Transmitter Emit at 880 kHz?
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Can Conservation of Momentum Be Applied to Magnetic Hockey Pucks on Ice?
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What is the acceleration and tension in a pulley system?
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Trajectory, where it will land.
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How Do You Calculate the Muzzle Velocity of a Spring-Loaded Toy Gun?
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How Does Coil Dimension Affect Magnetic Field Strength?
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What Was the Initial Speed of a 81kg Projectile Fired Straight Up to 175km?
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How Does Projectile Height Affect Time of Flight?
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Gravitational Force on 10.0kg Mass at Earth Locations
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Calculating Acceleration of a Toy Train with a Sticking Wheel
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How Do You Solve for Acceleration and Velocity in Basic Physics Equations?
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How Do You Calculate the Force Exerted by Water in a Tank?
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Can falling from a building be deadly?
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What is the average speed of a gerbil running in a clear plastic tube?
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How Do You Prove Trigonometric Identities for Vector Angles?
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Finding Components of Perpendicular Vectors in a Cartesian System
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How Much Charge Would the Moon and Earth Need to Replace Gravity?
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Calculating time of falling object
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What is the Final Temperature of the White Coffee?
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What is the acceleration due to gravity on this asteroid?
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What Defines a System in Different Academic Fields?
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How Do You Calculate the Coefficient of Kinetic Friction in a Skiing Problem?
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Discussions on answer of a problem
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Doing something wrong Newtons law proof
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Converting Atmospheric Pressure to N/cm^2 and psi: A Comprehensive Guide
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Pulley Problem: Finding Tension in Suspended Cord with Two Masses
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Calculate the instantaneous acceleration
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Relation between Angular speeds/accelerations
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Earthquake analysis (motion along a straight line)
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Does the Mass of an Object Fluctuate?
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Sliding Mass on Fixed Rod: Analyzing Angular Momentum
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Acceleration/distance/time problem
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Calculating Distance Traveled by a Dog Between Two Walking Owners
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Force on Table when Dropped: Find Out with Friends!
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Component Vectors: Find the Angle with a Magnitude of 25 & X Component of 12
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Charge Density: Understanding Its Relationship to Charge & Mass
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Atwood machine pully problem with a twist
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Understanding Lorentz Transforms: Interpreting Results and Visualizing Answers
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Unit Vector Notation Solution: Express Vector a1 & a2
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Unit Vector Notation: Solve a1, a2 for Vector Equation
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How Do You Calculate Vector Differences and Resultant Forces?
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Figuring Displacement from acceleration
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Why Does the Tension in the Cable Change Above and Below the Worker?
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Calculating Distance: Jill's Sprint to Catch a Rolling Shopping Cart
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Find the Component of Two Vectors
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Solve Free-Fall Problem: Hot Air Balloon & Package t=2.26/2.49s
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Finding Initial Velocity of a Projectile Using Position and Angle
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Calculating New Vector Components
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Kinematics in 2d of eagle flying
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Direction and magnitude question again
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Find Force From A Graph Of Potential
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What is the initial velocity of a ball thrown straight up?
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Position of Electron Moving Along x-Axis at Momentary Stop
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Calculating Initial Speed: Solving for Vi in Projectile Motion
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Surface area of N spherical droplets?
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Acceleration and distance problem
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Equilibrium of Hanging Bag of Cement: Tension Forces Question Solution
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Incline Plane with Friction with one object hanging?
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Instantaneous Speed & Acceleration: Equations Explained
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How Do You Calculate the Distance a Projectile Travels Up an Incline?
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Calculating Density of Rock from Mars w/ Uncertainty
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Calculating Volume for 1 kg of O2 at 150,000 Pa and 100K using Ideal Gas Law
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What is the Magnitude of Deceleration of a Meteorite Striking a Car?
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Surviving a Sudden Stop: Calculating Airbag Distance
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Free-Fall Motion (w/ a tennis ball)
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What is the time and speed of a rolling ball from tabletop to floor?
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Compression Forces: Solve Homework Statement on P4.77 w/ Friction 0.663
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What Are BH Curve and Hysteresis in Magnetic Materials?
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Initial Acceleration Homework: Find V0, a, and x0
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Solve Particle Motion to Origin: Mechanics Question
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Finding Velocity of Connected Objects on Perpendicular Guide Rails
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Help with a physics/calc problem involving work.
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How Do You Calculate Net Displacement in Multiple Directions?
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Textbook error? Incorrect derivation?
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Help Solve Part C of Vector Question for Cathy
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Analyzing Acceleration in a Particle's Spiral Motion
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Multiple Choice Kinematics Question
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Find Moment of Inertia of Rod w/ Finite Masses | Sleek
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Dimensionalysis and Conversions
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Calculating Similarity: Comparing 0.00010 and 0.0037 Using Powers of Ten
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2 Billion People Jumping Off Ladders Simultaneously
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Finding length of tube, air column, standing waves
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H> Graphing out Word problems ( Word eq. included)
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What is the energy of the lowest orbital and why?
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Solving Deceleration Problem: Speed & Time Calculation
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When Will John Catch Up to Mary?
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Force question involving an asteroid and spacecraft
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How Is the Center of Mass Calculated in a Two-Particle System?
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How Do You Calculate Forces on an Inclined Plane with Friction?
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Electric Potential Homework: Kinetic Energy Calculation
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How Do You Calculate Net Force on Charges at Triangle Corners?
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Solving the Rocket Ship Problem
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How Does Force Affect a Duck's Displacement in Water?
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What is the Force Exerted by a Child on a Swing Chair?
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Vectors and Components: How to Add and Multiply Vectors
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Car breaking speed physics priblem
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Discover the Net Force on a Quarterback Tackled by a 110 kg Linebacker
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Spaceship Time dilation problem
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GRE Subject Questions: Learn How to Solve Them with Expert Tips
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Coefficient of static friction with brakes
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