Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

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Perhaps delta function or inverse Laplace transform?

  • EvLer
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Solve Matrice Problem: X = 4A - 4B

  • TonyC
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Why Is There a Maximum Electric Field Point Outside a Charged Ring?

  • Brad_1234
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Mechanism of a cylinder rolling down a ramp?

  • kendro
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2

The Archimedes Principle and Volume Change in Water

  • parwana
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2
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Frequency Formulas: Same or Different?

  • asdf1
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2

How Can I Accurately Measure Gravity Using a Pendulum in My Lab?

  • ccflyer
  • · Replies 10 ·
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Could someone check me on this?

  • physicsCU
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Calculating Rocket Acceleration for a 200 m/s Speed at 1.0km Height

  • ludi_srbin
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Accurately Reading a Vernier Scale

  • Kazza_765
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Calculating Oxygen Cylinder Usage at 2.4 L/min

  • physicsss
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Can someone provide an example of a non-Hausdorff space?

  • Oxymoron
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Heat transfer between copper block and liquid at different temperatures

  • Dark Angel
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Projectile Motion Problem: Finding the Height of a Fence (Intro Physics)

  • willworkforfood
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2
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Diff Geo - Ferret Serret Apparatus

  • sparkster
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Which Hand Points in the Positive Z Direction?

  • mr_coffee
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How Far Must Protons Be to Equate Electrostatic and Gravitational Forces?

  • Tony11235
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Does a homomorphism Phi: Z24→Z18 with Phi(1)=16 exist?

  • gonzo
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What is the distance from Q1 for a zero electric field at point P?

  • jena
  • · Replies 6 ·
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How Long for Rocket to Reach One-Tenth Light Speed?

  • courtrigrad
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Electron in a uniform electric field.

  • evgeniy
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Can the Change in Gravitational Field Strength Exceed Its Original Value?

  • ngkamsengpeter
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Deriving Conditions for D field

  • hhh79bigo
  • · Replies 2 ·
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Finding the general solution of this ODE

  • Benny
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1
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How Does a Gold Nucleus Affect an Alpha Particle at Close Range?

  • echau
  • · Replies 7 ·
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Describe the set of points Calc III equation of sphere

  • mr_coffee
  • · Replies 10 ·
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Determining the period of a periodic motion

  • insertnamehere
  • · Replies 3 ·
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Solve this system using Gaussian elimination

  • TonyC
  • · Replies 3 ·
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Elementary row operations question

  • TonyC
  • · Replies 8 ·
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Intersection points of the graph its solutions?

  • yourmom98
  • · Replies 3 ·
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Calc III, Inequalitites problem

  • mr_coffee
  • · Replies 3 ·
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Velocity and Acceleration in a 100 Meter Dash

  • Tabe
  • · Replies 8 ·
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How Does f(x) Behave as x Approaches 4 from Both Sides?

  • kendal12
  • · Replies 6 ·
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Calculating Forces Between q1 and q2

  • shahidkhilji
  • · Replies 12 ·
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12

Memorizing the Bohr Radius: Is it Necessary?

  • asdf1
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ODE with trigonometric function: xy' = y + 3x²cos²(y/x)

  • asdf1
  • · Replies 9 ·
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9

Mirror image reversal - why only l/r, not up/down

  • judgecrater
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How to rearrange this trig function?

  • aisha
  • · Replies 5 ·
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Horizontal translation of y = 2cos(−½x + 90) − 3

  • aisha
  • · Replies 7 ·
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How are equations derived from models in physics?

  • Werg22
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Solving Submarine Problem - Alex

  • Vanity
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Why Does a Slide-Wire Potentiometer Require a Higher Voltage Battery?

  • nutzweb
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Static Universe Theroy and Red shifts in galaxy spectra

  • samaank
  • · Replies 1 ·
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Im having trouble with a few preoblems.

  • thschica
  • · Replies 9 ·
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9

Fluid Pressure and Fluid Force in Calculus II

  • Shay10825
  • · Replies 12 ·
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12

Electric field from two charges at vertices of equilateral triangle

  • evangelic04
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4

Finding Coefficients in Trigonometric Functions

  • Bob19
  • · Replies 6 ·
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6

Does speed mean velocity and does overtaken mean equal position?

  • willworkforfood
  • · Replies 6 ·
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Don't know how to calculate the velocity

  • brad sue
  • · Replies 4 ·
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What is the Strength of a 40,000 Gauss Magnet?

  • chui
  • · Replies 2 ·
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Simplifying g(1/x) and evaluating g(x+3) from a graph

  • sportsguy3675
  • · Replies 6 ·
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Calculating Tension in a Pulley System with Spring Scales

  • lilkrazyrae
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How Does y=sin(x) Compare to y+3=2sin(3x+π/2)?

  • aisha
  • · Replies 9 ·
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Which Hand Points in the Positive Z Direction in a 3D Coordinate System?

  • mr_coffee
  • · Replies 2 ·
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Proving whether irrational powers of irrationals are rational

  • mattmns
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Designing an experiment to investigate energy transfer

  • lilsheltie
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How Does Kinetic Energy Change at Maximum Height in Projectile Motion?

  • Brianne
  • · Replies 6 ·
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How do I calculate the equivalent resistance for this circuit?

  • Delta-One
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Find normal and friction force on a crate full with artichokes

  • lilkrazyrae
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Fluid Dynamics: quickest way to pour water out of a bottle

  • blondnc
  • · Replies 3 ·
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? Earth's Gravitational Field Effect on space shuttles

  • samaank
  • · Replies 6 ·
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How do I find p in the parabola equation (x-h)²=4p(y-k)?

  • yourmom98
  • · Replies 1 ·
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Why you can't mix x and y components of vectors?

  • Shay10825
  • · Replies 10 ·
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Graphing force and acceleration

  • teh_game
  • · Replies 21 ·
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T Transistors and Amplification?

  • cpasillas22
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Does Mass Affect Orbital Velocity for Satellites in Similar Earth Orbits?

  • samaank
  • · Replies 11 ·
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2 problems on simple harmonic motion

  • Wen
  • · Replies 17 ·
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Is the Force on a Block on an Incline Dependent on Velocity?

  • smallbrain
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Linearization of Non Linear Equation

  • BlackJackal
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Direction and magnitude of the net electrostatic force

  • rice_racerus
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My book's throwing equations out of nowhere

  • VietDao29
  • · Replies 6 ·
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Factor y^6 + 124y^3 - 125

  • AshyLarry
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Suppose that the function T has period 7 and that T(0)=3

  • ludi_srbin
  • · Replies 7 ·
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Calculating the Height for Half Weight at Earth's Surface

  • Dooga Blackrazor
  • · Replies 3 ·
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Rocket sled acceleration and distance with constant acceleration

  • courtrigrad
  • · Replies 1 ·
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1

Find Magnitude of Order: What is it?

  • brandon1
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Y=-3sin(2x) shifted new equation?

  • aisha
  • · Replies 4 ·
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Why does the deer collision problem give no real solution?

  • willworkforfood
  • · Replies 10 ·
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Homogeneous system of linear equation:

  • TonyC
  • · Replies 9 ·
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Ball rolling down a ramp: find acceleration, final speed, and average speed

  • Pseudo Statistic
  • · Replies 3 ·
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Determine whether there is a train collision

  • courtrigrad
  • · Replies 8 ·
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Checking my exhaust gas recirculation problem work

  • caddyguy109
  • · Replies 17 ·
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Where Can I Find the Best Resources for Self-Teaching Calculus and Physics?

  • Neohaven
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How Do You Escape the Room Using Two 50-Foot Ropes and a Knife?

  • erraticimpulse
  • · Replies 17 ·
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How Do You Solve Particle Motion Equations in an Electromagnetic Field?

  • akinoshigure
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How Do You Solve This Partial Fraction Decomposition Problem?

  • TonyC
  • · Replies 16 ·
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16

How Many Buses Maximize Parking Lot Income?

  • TonyC
  • · Replies 9 ·
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How Does a Crossbow Bolt Behave in Space?

  • AdnamaLeigh
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How Do You Calculate GPM From Pump Cylinder Dimensions and Stroke Rate?

  • scientist
  • · Replies 6 ·
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Electric energy of a dielectric sphere

  • hhh79bigo
  • · Replies 2 ·
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Understanding Trig Function Behavior: Period, Amplitude, and Shifts

  • aisha
  • · Replies 5 ·
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Simple question about velocity and acceleration

  • h_k331
  • · Replies 7 ·
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