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.
Can You Simplify the Trigonometric Expression (sin120+tan120) / (sin150+tan150)?
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Calculate Atomic Energy of a Girl (45.45 kg)
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Solving Series & Parallel Circuits: Calculating Voltage & Resistance
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Understanding the Definition of arcoshx and Its Role in Inverse Functions
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Help Needed: Seeking Sixth Edition of CALCULUS Early Transcendentals
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Volume problem - Closest packing
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Calculate Force on Smaller Cylinder in Hydraulic Pump w/ 500kg Mass
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Solving a Hard Math Question: Volume of Concentrated Orange Juice
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Calculating Rate of Change in Graphs: Is it Just Gradient?
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Calculate Average Acceleration for the Detonator Ride at Worlds of Fun
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Gain of the system of amplifiers
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Find the volume of the solid which is bounded by the cylinders
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Fun elevator problem, find accel
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What are the types, wavelength, and speed involved in wave superposition?
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If the charge on a capacitor doubles how does its capacitance change?
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Calculate tension if acceleration given
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Why Does the Cylindrical Shells Method Give a Different Volume for a Torus?
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How Does Doubling Volume and Increasing Temperature Affect Gas Pressure?
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Calculating Current, Voltage in Series Circuit with 25V Battery and 2 Resistors
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How Is EMF Induced in a Falling Metal Rod Affected by Earth's Magnetic Field?
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Calculating Normal Force on Block on Wedge
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Partial Pressures: Just a Few Questions
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How can activation energy affect the rate of a chemical reaction?
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Simple Harmonic Motion Oscillations
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What Is the Height of the Fence Cleared by the Golf Ball?
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Frequency Q: What's Max Amplitude Vibration Name?
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Help Robert with His Linear Algebra Problem
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What's Wrong with My Conservation of Energy Calculation for a Skier?
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What is the formula for calculating gravitational field?
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Finding the Weight and Center of Gravity of a Heavy Electric Motor
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Rollercoaster up to the top of a lift.
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How Fast Does a 15 kg Block Accelerate Down a 37-Degree Incline If Frictionless?
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Separable equations (but more like integration questions)
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How Do You Calculate Pressure at Different Points Inside a Fluid-Filled Barrel?
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Calculating Speed, Amplitude, and Distance in a Standing Wave
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Given max tension, find max upward acceleration
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Electric Potential,I ly please
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Calculating Water Level Changes in a Partially-Filled Container
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Calculating Flow Speed & Pressure Difference in a Horizontal Pipe
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Centrifugal Force: Tension in String w/ Mass in Horizontal Circle
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How Do You Calculate the Work Function of Metal in Quantum Physics?
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Solving Composite Functions: Show INTEGRAL[Tof] = T(INTEGRAL[f])
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Actual Depth and Apparent Depth
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How to Construct Specific Degree 3 Polynomials with Given Conditions?
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Solving D.E. with Variation of Parameters Technique
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Eigenvectors of a 3x3 Matrix A: Calculation and Verification
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Find three different right-angled triangles
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How to Derive Polynomials from Given Conditions?
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Quick Question regarding Atomic spectra
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What is the Limit of (1+3x)^(1/x) as x Approaches 0+?
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Calculating Ka of HCN: Ask for Help Here!
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Solving Simple Wave Problem: Math and Conversion
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Galvanometer Spring Weakness and Current Adjustment
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Doppler effect: Moving source with reflection
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When Do Two Vertically Thrown Balls Meet?
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Electric circuits problem (RL/C circuits)
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Seperating metals in a solution
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Newton's Second Law of Motion (problems)
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How Do You Solve This Complex Partial Fraction Integration?
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What is the final temperature of sphere B?
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High Melting and Boiling Points: A Characteristic of Petroleum?
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What is the trajectory of a ball thrown from a building?
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Calculating magnitude and direction
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Calculating Time and Velocity of a Ball on a Ramp - Confirming Understanding"
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Can You Help Me with This Integration Problem?
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Confused about Maths Problems? Get Help and Hints Here!
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Differential equations - population model
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Are X & Y Equal in Matrix Equations?
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Mastering Derivation: Techniques for Simplifying Formulas in Physics and Math
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Velocity-Time Curve for Balloon-Dropped Stones | A/L Math Help
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Fusion related problem (help please, chem final is tomorrow)
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Equilibrium Constant for Calcium Carbonate Reaction at 500 C
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How Do You Solve This Limit Problem Using Synthetic Division?
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Equilibrium & Weightlessness: Mechanics Questions
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Is Energy Truly Quantized in the Photoelectric Effect?
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How Can You Calculate Pi for a Physics Assignment?
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Finding Accelerations in a Pulley System
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Maths Urgent Help: Proving Velocity of Mass in a Cubic Log
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How Do I Calculate Frequency with Planck's Equation?
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What Is the Net Charge of a Gold Nugget After Removing 1% of Its Electrons?
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Finding Constants for a Differential Equation
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Finding the Center of a Central Conic: Ellipse and Hyperbola Formulas
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Mechanical Energy of a Spacecraft
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Calculate the buoyant force exerted by the water on the sphere
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Bouncing an Egg on One Spring: Physics Project Help for Grade 12 Students
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Calculating square feet of a tent/triangle
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Compressed reversibly and adiabatically problem
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Elemental Chemistry: The Significance of Atomic Mass and Atomic Number
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How can I simplify inverse trig derivatives with fractions?
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Vector Dynamics on an Inclined Plane
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Need help with a Mean Value Theorem Problem
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Young's Interference Exp: Min Distance b/w Bright Fringes 540nm & 450nm
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How Does Bath Oil Depth Affect Soap Buoyancy?
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Solve the Differential Equation: (1 - x^2) y'' - (4x) y' + (6) y = 0
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Solving Physics Problem: Find Coefficient of Friction
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Group Theory Problem: Finite Index of Intersection of Conjugates of H
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Finding Moment of Inertia for Rotated Solid: y=sinx, x-axis, [0,pi]
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A little help: Light & Optics Research paper
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Can Anyone Help Review My Final Exam Problems?
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Airplane magnitude and direction
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