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.
Deceleration Problem: Calculating Time and Distance When Braking at 25m/s
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Answer:Work-Energy Scaling: R_k,R_w = 3,1
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Work and Kinetic Energy of a sled
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How Many Revolutions Does a Proton Complete in a Cyclotron?
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What are the critical numbers for g(x) = x^2 + 2x^(2/3) on [-2,2]?
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How Do You Solve This Equation?
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Struggling with a Metric Space Problem: Show A is Closed
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Force Exerted by 100g & 50g Masses on Each Other
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What Software Can Create Smooth d/t and v/a Graphs with Tangents?
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Calculate Torque Exerted by Fish at 20° Angle
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Calculate Speed of Ambulance with Sound in Air Problem
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How Do Quantum Mechanics Handle Particles at Potential Steps with E<V_0?
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Bifurcation Diagrams: How to Plot Stability
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Is Simpson or Trapezium Rule Better for Calculating Area Under a Curve?
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What is the equilibrium position of a ball attached to two springs?
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What is the maximum angle for a bob to slide upwards in a rotating funnel?
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2 Questions on Ohm's Law and Power
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Use a GEOCENTRIC reference frame to explain the earth's orbit
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How Do You Design a Circuit for a Triple-Scale Voltmeter?
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Crack the Code with Number Box: Discover the Mystery of the 20x20 Square
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Cross sectional area of cylinder?
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Centripetal/angular acceleration
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Explaining Why a Scale Reads What it Does in Different Situations
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Prove the BAC CAB Rule: Ax(BxC)=B(A.C)-C(A.B)
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How to Find the Displacement and Angle of a Drifting Balloon?
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Calculating Zn Required for 2.00g of Au in Chemical Reaction
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Finding Distance b/w Point A and B with Kinematic Formulas
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A heat engine and determining Power
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Does 0.999 Equal 1? Maths Project
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Physics of Sailing: Ideas & Experiments
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What is the voltage across each capacitor in this circuit?
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Find the Derivative of a Quadratic Function with f(0)=-4 and Evaluate f'(0)
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Energy required to ionize a hydrogen atom from n=1
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Calculating Plane Height from Radio Wave Interference
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What is the center of mass of a lamina with variable density?
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What Determines the Maximum Angular Velocity for a Coin on a Turntable?
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Confusion with Electric Potential/Potential Energy
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Moment of Inertia: Easier Way to Determine Formula
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How Far Does the Diver Travel from Board to Stopping Point Underwater?
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Double Integration: Volume Under z = 2x + y^2
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Maximizing Power Delivery: Comparing 12,000V & 50,000V Electricity Transmission
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Confusing Physics Question: How Far Will a Car Travel Before Overtaking a Truck?
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2 mp problems that I sorta understnad but dont?
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Solving the Boat Movement After Romeo & Juliet's Kiss: 0.7m
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Exact Solution for 5sinθ + 2√3 = √3 + 3sinθ - Step by Step Guide
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Calculating Impulse & Work of a Tennis Ball Hit by Racquet
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Force when 2 blocks pushing against each other
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Projectile Motion: Designing a Launching Device for Basketball Hoop
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Angular Acceleration of Rotating Object: $\frac{\pi}{8}$
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Why did the cotton ball insulated cup freeze the slowest?
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Help Needed with Physics Homework Involving Springs
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Method and circuit for an NTC thermistor experiment
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How Much Heat Must Be Removed to Make 3.1 kg of Shaved Ice at 0°C?
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Currents and resistors and series and parallel you get the idea
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How Does Friction Affect Ball Rolling on a Ramp?
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Help Solve Human Energy Problem - 50 kg Hiker Climbs 1000m Mountain
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What Is the Average Velocity of Electrons in a Copper Wire Carrying 1.0A?
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FRICTIONLESS INCLINED PLANE.. (some guidance please)
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Use a calculator to evaluate the following powers
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Troubleshooting Acceleration Lab Results: Average Velocity vs Time Plot Analysis
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What Are the Physics and Chemistry Behind the Pickle Experiment?
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Head scratching integral calculus hw
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Resistors in series and parallel
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Electric potential energy - how is it conserved?
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Minimum Angular Speed for Safe Ride on ROTOR
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Plotting y'=te^{-2t}-2y: Seeking Help
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Understanding the Chain Rule in Cylindrical Coordinates
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How can I understand Rotational motion and dynamics better?
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Charged particle thrown upward (almsot there)
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Why Does a Bridge Freeze Before the Road?
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Extension cord connected to heater - Find the power
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Perturbation of hydrogen energy due to nucleus
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Combination of electric and magnetic fields
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Simplifying Transmission Coefficient Calculation for a Potential Barrier
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Questions About the Formation of Hydrochloric Acid
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Integration by substitution help
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Solving for x: (sin x)^6 + (cos x)^6 = 5/6 ((sin x)^4 + (cos x)^4)
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Units regarding a photoelectric question
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How to Differentiate the Electrostatic Potential to Derive the Electric Field?
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Solving a Doppler + Beat Frequency Problem for Bat Speed
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How Do You Calculate the Acceleration and Distance of a Box Pulled at an Angle?
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Explaining Earth's Orbit Using a Geocentric Reference Frame
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Power of D-Cell Batteries: Calculate & Understand Benefits/Risks
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Calculating Speed on an Inclined Plane | Mechanical Energy #2
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How Does Frictional Force Affect Bullet Penetration in Wood?
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Maximum liklihood estimators again help
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Mechanical Energy: Calculating Work w/ Box, Ramp & Friction
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Calculating Charge on Conducting Balls Hanging from Strings
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How Do Meters, Kelvins, and Watts Relate in This Equation?
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Solving Gamma-Ray & X-Ray Photon Questions: Help Needed
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What Does a ≡ b (mod m) Imply in Mathematics?
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Is This C++ Code Correct for Reading Bytes from an MP3 File?
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Impact Parameter of Alpha Particle Rutherford
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Magnets making things hurtle towards me eep
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How Is Maximum Resistance Calculated in a Superconducting Ring Experiment?
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Quick question about a telescoping series
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What is the Total Force Exerted by the Cockpit Seat on a Climbing Jet Pilot?
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How Is the Period of Uniform Circular Motion Affected by Latitude?
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What Are the Dynamics in a Circular Orbit?
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Head on Collision with a car physics
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