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.

Threads

Smiple circuit with just one resistor

  • adamg
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Solving Problem 14-54: Force on Box - Rope Tension

  • jjiimmyy101
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Magnetic Force: Work or No Work?

  • broegger
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3
  • Poll Poll

Does My Essay Reflect My Determination and Capacity for Growth?

  • cvhpg45
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Simple harmonic motion and specific gravity. PLEASE HELP

  • hbanana
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Which side of the triangle gives it maximu area?

  • MathLete
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Show that the electric field outside the shell is everywhere

  • tandoorichicken
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What is the field outside the shell?

  • tandoorichicken
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Carnot cycle, heat and monatomic ideal gas

  • frznfire219
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3
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Simple Harmonic Motion Problems

  • mustang
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Proving Efficiency | How to Prove Question on Heat Engines

  • jlmac2001
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Intuitive explanation of gravity outside a sphere?

  • jacobfreeze
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Solving Pressure with Gases in a Diving Bell

  • Antepolleo
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Hat is the value of the second capacitor?

  • liljediboi
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Electric potential of insulating rod

  • pattiecake
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Question concerning rotation etc

  • JamesL
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Measuring the Angle of Refraction in a Triangular Prism Lab

  • UrbanXrisis
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2

Understanding the Hall Effect: Comparing Germanium and Copper Magnetometers

  • Casey_Switzer
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Uniform Magnetic Field Causes Induced Current in Loops

  • broegger
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6

Electromagnetic induction and EMF in wire

  • adamg
  • · Replies 7 ·
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How Deep is the Well When Humming Establishes Standing Waves?

  • hbng02
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Calculating Water Rocket Force: Velocity, Time & Mass

  • Db75
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Mass of H Atom: 1.673x10^-27 kg

  • jazzchan
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A bit of direction is needed, if possible

  • Calliah
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Physics Research: Investigating Inclination of Roads

  • i speak french
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Analyzing Olympic Records: Finding k & n in t = kd^n

  • JPR
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Floating in Fresh & Salt Water: Buoyant Force & Wooden Boat Impact

  • holly
  • · Replies 20 ·
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Kinetic friction on a moving object

  • KingNothing
  • · Replies 2 ·
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2

Make a Homemade Drum: Physics Basics for Beginners

  • BrainFreeze
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Spherical Optimization and beyond

  • Muon12
  • · Replies 4 ·
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Calculating Mass Using Newton's Laws

  • Beretta
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Gravitation/circular motion problem

  • Moebius
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2

How Do You Calculate Eigenvalues for a 2x2 Symmetric Matrix?

  • ilikephysics
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A man, a boat, and the tractrix formed

  • Prodigy Girl
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3

Find the final speed of the heavier particle

  • Aerospace
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How Far Does a Magnetic Field Extend?

  • Xion
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Derive Parallel-Plate Capacitance w/ 2 Dielectrics

  • broegger
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Help with Two Particles Elastic Glancing Collision

  • Mac13
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Calculating Magnetic Fields Force & Momentum

  • eku_girl83
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Gas isobaric conditions problem

  • moonlit
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Solving Electric Potential & Field of Continuous Charge Rod: Q&A

  • oooride
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Draw and name the shape of the following molecules: a) CO3^-2 b) SF2

  • decibel
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Measuring Depth of Water in a Tank: Course Help

  • Jay_102
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Rearranging Formula with t as Subject - Grace

  • physicsgirl_nz
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Explaining Work & Accel. of Particle Moving in Circular Path

  • garytse86
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Inclined Planes and Acceleration

  • itinerantphysicist
  • · Replies 8 ·
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Find Work done by a force field

  • wakingrufus
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Physics teacher is bad, can I teach myself?

  • SparkimusPrime
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Solve Collision Problem: 1300kg Car A vs 1200kg Car B

  • Bling
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Electric Fields charge problem

  • oooride
  • · Replies 6 ·
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Solving the Force & Acceleration of 8Be Nucleus

  • radmonovic
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A proton colliding with a stationary carbon nucleus

  • HandcuffedKitty
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How Do You Calculate the Internal Resistance and EMF of a Solar Cell?

  • incubusguy88
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Ballistic Pendulum Homework Problem

  • freshpulp
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What is the skier's launch speed?

  • hyen84
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Calculating Free Electron Density in a Metal Wire

  • NINHARDCOREFAN
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Why Is My Calculation of Work for Sliding a Crate Up a Ramp Incorrect?

  • Xamfy19
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Calculating Heat of Vaporization for Solid CO2 in Water

  • nsw
  • · Replies 12 ·
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What is the total electrical potential energy

  • Moose352
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2

Homework problems (galvanometers)

  • eku_girl83
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2

Deriving the Maxwell Stress Tensor for a Spherical Charge Distribution

  • mark9696
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True or False on kinetic energy

  • PhysicsPhun
  • · Replies 6 ·
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Still no confident with these answers.

  • nautica
  • · Replies 6 ·
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Just one harmonic motion problem

  • mustang
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Fluid Dynamics & Physics Questions: Answers & Discussion

  • holly
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3

Differentation Problem (involves product rule)

  • Cod
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Solving the Integral: $\int_{0}^{\ln 2} e^{-2x} \,dx$

  • tandoorichicken
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Solving Calc AP Problem 1: Total Distance 0-2

  • tandoorichicken
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Towing a 25.0 kg suitcase at constant speed with handle at an angle

  • PrudensOptimus
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4

How Well Do You Understand Inductive Circuits and Magnetic Fields?

  • nautica
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Physics Project Ideas: Statics & Dynamics

  • ermines
  • · Replies 2 ·
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2

Circuit Help (Kirchoff's I Believe)

  • i_hate_physics
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3

Speed of an object thrown down a hole to the center of the earth

  • qpt
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Calculate Center of Mass for 1.05cm Baseball Bat with Linear Density Formula

  • HandcuffedKitty
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2
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9

How Do You Convert Momentum from MeV/c to kg-m/s?

  • gnome
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Finding the mass of the earth's atmosphere

  • deltabourne
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2
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Calculating Reactions at C & D Using 2 Force System | Step-by-Step Guide

  • formulajoe
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Need a bit of help with j-hat and i-hat in a collision

  • jperez94
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What Is the Work Required to Accelerate a Proton from 0.5c to 0.7c?

  • SsUeSbIaEs
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What is the thrust of the engine?

  • NanoTech
  • · Replies 4 ·
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