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 Does Changing Charge Magnitude and Distance Affect Electrostatic Force?
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How to Name a Compound with Both Double and Triple Bonds?
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How to Calculate Enthalpy Using Specific Heat Capacity and Mass
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Simple Harmonic Motion of a car's tires
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Circumcenter poi (triangle) - confuced
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Max Planck's Contributions to Physics. How does it apply to everyday life?
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Fundamental Frequency: Tension Force & Mass/Length
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Special triangles and Unit Circles HELP
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How to Calculate Electric Potential and Work for Multiple Charges?
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Why does an object have kinetic energy even when it's not moving?
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Optimal Number of Passengers for Maximum Railroad Revenue
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Finding the charge given distance apart + some more
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Help Needed: Determining Speed of Dart After Being Fired
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Finding Solutions for a Complex Equation
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Resolving Ecuations with $\Psi$, $\vec{v}$, and $\nabla$
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General Equation for an Ellipsoid
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Maximizing Speed in Simple Harmonic Motion: Solving for Displacement
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Answer: SHM: 45g Mass, .35m Amp - Speed Half Max Velocity
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How'd this happen in my experiment?
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Lens/Radius of Curvature Question
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Green fuktion on the wave operator in 1 dimension
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Understanding Nabla Operator with Vector A
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How Can You Show That Two Ships Will Collide Using Vectors?
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Solve Quadratic Equations: Find Coordinates of Turning Point
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Finding x and y in a Right-Angled Triangle with Given Hypotenuse and Area
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Simple Harmonic motion of particle on a table
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Why Is the Moment of Inertia of a Uniform Disc 1/2MR^2?
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Can I Upload Images Here? Problem Solving for Non-Native English Speakers
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Resistance of n Resistors in Series & Parallel: Solve n,N & R
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How Fast Must a Pion Travel to Cover 15 Meters Before Decaying?
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Optimizing Distance for Swimming and Running Combination
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Finding the Coefficient of Friction: Wrong Answer and Need to Fix
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Help Quickly: Solve Coefficient of Kinetic Friction Problem
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Calculating Distance of an Electron Moving in a Plane Using Derivatives
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What is the derivative of (b^2*x^2 + x^2*y^2 = a^2*b^2) with given values?
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Help on some electric potential energy questions
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Solve Cart Movement Problem: 32kg, 12N Force, 85N Child
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Does Vacuum Really Exist or Is It Just an Illusion?
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Sin cos problem finding exact value
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How Does Thermal Expansion Affect the Tension in a Stainless Steel Band?
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Solving Momentum Problems: Questions & Answers
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Thermal physics How would I go about this one?
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Not sure how to approach problem
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How do I evaluate this properly? Trig
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Couldn't find a specific heat for coffee
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How to Determine Velocities After a Collision in a Physics AP Mechanics Problem?
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Calculating Specific Heat Capacity of Nickel with Coffee Cup Calorimeter Method
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Calculating ∆H for a Chemical Reaction
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Volume of Solid w/ Semicircular Cross Sections in 1st Quadrant
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How Do Doppler Effects Determine the Frequency of a Whistle in Motion?
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What Other Physics Concepts Can Enhance Your Understanding of Paintball?
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What Are Some Data Management Project Ideas on Environmental Issues?
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Physics (mechanics) AP Problem-involving kinetic energy of a moving object
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What are some common misconceptions in thermodynamics?
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Physical Explanation of a Pull-Back Car
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Force and Momentum: Calculating Final Velocity
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Need help:How to measure stress on a bridge.
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Can Consecutive Integers Minimize This Mathematical Expression?
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[Early Phys. Science]: Speed Equation
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What Determines the Maximum Height of a Self-Supporting Column?
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Indirect Proofs: Shaping the Proof
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Upthrust Question: 2 Conditions for Independence on Depth
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Is It Safe for a Painter to Walk to Both Ends of a Scaffold?
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Inclined Plane Friction Question
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Heat capacity and viscosity in real life
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The Galileo Galilei Formula for Deceleration: An Alternative to Newton's Model
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Change of momentum and kinetic energy
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Help with Problem Moments: Calculate Steel Beam Deflection
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Explanation of Bernouilli's principal of lift?
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Solve Calc Problem: Find y if dy/dt=ky and k is a Nonzero Constant
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Derivative of Force and Work in Respect to Time
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Where'd I go wrong (sound problems)
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Whats A Right Handed Triplet In Vectors ?
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What Experiments Can I Do to Spark Interest in Physics for Teenagers?
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Help Equilibrium: Find the Best Position for Uphill Crate Support
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AP Physics Impulse Problem: Need Help
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Question regarding gravitational potential
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Calculus based elementary physics
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Solving Physics Forces Problem: Initial Force on 5 g. Marble
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Total energy; confusion with teacher's statement
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How to Determine Acceleration on a Frictionless Inclined Plane with Normal Axis?
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Calculating Table Torque to Tip Over: 36 kg Weight
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Finding Integers Divisible by 2, 3 or 5 - Solve Here!
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Finding Specific Heat of 2 substances mixed
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Can Hess's Law be used to systematically manipulate chemical formulas?
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Angle of line of sight for a vertically lauched rocket
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Calculate Interest Rate & Earnings: $150 -> $275 in 8yrs
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How do I find the derivative of y using implicit differentiation?
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Population Problem: Solve for When 51003 in Brampton
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Computational Physics - Scaling
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The question:Rewriting Series with Sigma Notation
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Circular Moviment: Find Angle X Using L, M & w
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Chemistry Problem- Burning Magnesium
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Solving a Calculus Question: Cone with Radius 5 ft & Height 10 ft
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How fast is the distance between two ships changing?
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Potential & Kinetic Energy of Basketball & Tennis Ball
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Solve Work-Energy Question with Physics Problem | Elastic Cord and Sandbag
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Proving Momentum Conservation with Basketball & Tennis Ball
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Why is the Sun Expanding Beyond Earth in Seconds?
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Determine the magnetic field between 2 long straight wires
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