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.
Solve Spring Homework: Modeling Displacement | 19.6N/cm
  • cowmoo32
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Calculate the time to travel a distance with acceleration
  • Nigel1500
  • · Replies 1 ·
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Find the Y component of the electric field
  • MacLaddy
  • · Replies 6 ·
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6
Elastic collision between a photon and an electron
  • Unicorn.
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14
Triple integral in eletromagnetism: prove force doesnt depend radius.
  • tsuwal
  • · Replies 6 ·
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6
Potential difference in parallel circuit
  • Johnahh
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3
Simplified Maxwell's Equation Proof
  • Von Neumann
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1
How does the material of an obstacle affect a plane's ability to overcome it?
  • Numeriprimi
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Equilibrium - A rod influenced by multiple rope tensions
  • kastamonu
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2
R-L Circuit, Finding the current through a circuit element.
  • hyddro
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5
Momentum before and after the collision and relative velocities.
  • Jfex
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3
Determine the angular velocity of the Wheel
  • Northbysouth
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1
Maximum distance an object travels when released by a spring force.
  • Yankeedogg
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10
Thermal expansion with set of 3 wires
  • awerter
  • · Replies 3 ·
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3
Just learning about work,energy
  • CollegeStudent
  • · Replies 14 ·
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14
Static Friction Can Cause Motion
  • IamMoi
  • · Replies 14 ·
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14
Calculating time constant of a circuit?
  • rjackson
  • · Replies 7 ·
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7
How Much Does a Steel Wire Stretch When Supporting Moving Masses?
  • kopinator
  • · Replies 1 ·
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1
Bouyant force accelerates released balloon
  • johns123
  • · Replies 5 ·
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5
Clarifying Integral Limits in Equation 4.6: A Scientific Analysis
  • SP90
  • · Replies 1 ·
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1
Welded discs dropped whilst string wrapped around one, find downward a
  • Fluxthroughme
  • · Replies 2 ·
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2
Skier down a hill- f=ma (is the QUESTION correct?)
  • VidsEpic
  • · Replies 1 ·
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1
Moving Square Loop through a Magnetic Field
  • hyddro
  • · Replies 8 ·
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8
Using Newton's Laws Question involving tension
  • needingtoknow
  • · Replies 17 ·
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17
Finding angular speed of a precessing gyroscope
  • Fluxthroughme
  • · Replies 2 ·
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2
Maximum tension between train cars, F=ma
  • VidsEpic
  • · Replies 1 ·
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1
Opposing accelerations on stone drop/throw up problem
  • Tallgirl
  • · Replies 6 ·
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6
Calculating Tension Ratios for Equilibrium of Identical Bodies
  • kastamonu
  • · Replies 5 ·
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5
Finding the Center of Mass of a System of Rods
  • Litcyb
  • · Replies 8 ·
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8
Calculating Angular Magnification and Image Position in Compound Lens Systems
  • Darth Frodo
  • · Replies 1 ·
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1
What Force is Needed to Wheel Over an Obstacle?
  • Litcyb
  • · Replies 4 ·
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4
Work function and energy of X ray photon emitted by anode
  • SecretSnow
  • · Replies 3 ·
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3
Question about potential difference?
  • ehabmozart
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1
Calculating Potential Difference in a Series Circuit
  • wkn0524
  • · Replies 2 ·
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2
Angular momentum sliding beam
  • tri5
  • · Replies 1 ·
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1
Nuclear Reactions, Can anyone check my solution?
  • maceng7
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1
Adding and Subtracting vectors; Finding change in velocity
  • ShannonBanana
  • · Replies 2 ·
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2
Derive lorentz transform for energy
  • gboff21
  • · Replies 2 ·
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2
Stopping potential and electron state?
  • SecretSnow
  • · Replies 1 ·
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1
Electric Field of a Hollow Cylidrical Conductor
  • Zook104
  • · Replies 6 ·
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6
Moment of Inertia for a Decreasing Angular Velocity
  • leehufford
  • · Replies 5 ·
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5
Determine the Angluar Velocity of the Slender Rod.
  • Northbysouth
  • · Replies 7 ·
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7
Solving for AC Voltmeters with a Pure Resistance and Pure Inductance
  • bendaddy
  • · Replies 2 ·
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2
Conservation of momentum and conservation of kinetic energy
  • fredrogers3
  • · Replies 2 ·
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2
Why Does My Calculation of Ro Result in Zero for a Thermistor?
  • lionely
  • · Replies 10 ·
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10
Find the angular velocity of the Absolute Motion System
  • Northbysouth
  • · Replies 4 ·
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4
Relating equations to functions
  • leehufford
  • · Replies 12 ·
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12
Statics: Rigid Body Equilibrium
  • Chandasouk
  • · Replies 1 ·
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1
Why is the radius of a twirling rope represented by Lcostheta instead of r?
  • indelible.eggs
  • · Replies 4 ·
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4
Electric field lines in a cylinder
  • jaumzaum
  • · Replies 5 ·
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5
Conservation of mechanical energy for skier on sphere
  • NathanLeduc1
  • · Replies 3 ·
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3
Magnitude of the Electric Force on q
  • wkn0524
  • · Replies 2 ·
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2
Doppler Shift Special Relativity Question
  • nateja
  • · Replies 8 ·
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8
Finding momentum of a massless particle
  • Saitama
  • · Replies 19 ·
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19
How can we ensure a 90 degree oscillation when pulling a slinky spring?
  • hulk78
  • · Replies 2 ·
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2
Ladder problem, sum of forces and sum of torque
  • Jbreezy
  • · Replies 2 ·
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2
Angular acceleration caused by mass over a pulley
  • Fluxthroughme
  • · Replies 17 ·
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17
Pulley free body question - what am I doing wrong?
  • johnschmidt
  • · Replies 7 ·
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7
Find kinetic energy from center of mass.
  • Sneakatone
  • · Replies 9 ·
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9
Where is the mass of the joined squares?
  • Sneakatone
  • · Replies 17 ·
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17
How does centripetal acceleration can cancel out gravity?
  • student34
  • · Replies 7 ·
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7
Solving an Elastic Collision Problem: Why Isn't it Working?
  • Mangoes
  • · Replies 2 ·
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2
Free Pivot Rotation: Calculating Kinetic Energy, Angular Speed & Linear Speed
  • Cupcakes69
  • · Replies 1 ·
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1
Minimum Applied Force for Block and Cart Dynamics Problem
  • Felafel
  • · Replies 4 ·
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4
Pressure Experiment - P=P0±mg/A
  • charlottexo
  • · Replies 3 ·
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3
B-field at point P that is produced by the current in two wires
  • AxM=Fam
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2
What is the Force of Friction on a Painter's Ladder?
  • Jbreezy
  • · Replies 2 ·
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2
Kinetic and Potential Energy Question
  • student34
  • · Replies 18 ·
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18
Radial current in a hollow metal cylinder
  • Tabiri
  • · Replies 24 ·
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24
How Do You Calculate Spring Compression and Cart Speed After Collision?
  • x86
  • · Replies 3 ·
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3
Calculating Work and State Variables for an ideal Stirling Engine
  • WalkTex
  • · Replies 3 ·
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3
What is the mass of the baseball bat?
  • kopinator
  • · Replies 3 ·
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3
Need help finding change in velocity and momentum
  • Sneakatone
  • · Replies 8 ·
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8
Torque due to electromagnetic induction
  • eas123
  • · Replies 6 ·
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6
Calvin and hobbes go for a sleigh ride.
  • nc9261
  • · Replies 2 ·
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2
Projection of surface area elements in vector calculus
  • jj364
  • · Replies 2 ·
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2
Particle in an Orbit: Central Force Motion and Radial Equation
  • CAF123
  • · Replies 41 ·
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41
Eletrostatics in conductors: Find the capacity
  • tsuwal
  • · Replies 7 ·
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7
Electric Circuit Question - RC Circuit
  • GreenPrint
  • · Replies 8 ·
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8
An asteroid flying past the moon
  • *Jessica*
  • · Replies 21 ·
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21
Hydrostatics question - angled triangular gate?
  • theBEAST
  • · Replies 33 ·
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33
General quantization of circular motion/spectrum in potential
  • Hakkinen
  • · Replies 5 ·
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5
Carnot heat engine - calculate work
  • skrat
  • · Replies 13 ·
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13
What is the velocity of the center of mass of the system?
  • Sneakatone
  • · Replies 22 ·
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22
Confusion about tension and pulleys
  • hgfhh123
  • · Replies 2 ·
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2
How Fast Does Ozone Travel After Collision?
  • Voltrical
  • · Replies 1 ·
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1
Three Cylinders On Top of a Rough Surface and the Force
  • . Arctic.
  • · Replies 6 ·
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6
Practical physics questions - Pressure & Uncertainty
  • charlottexo
  • · Replies 2 ·
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2
Solving a Rotational Motion Problem: Finding Acceleration of Two Blocks
  • bona0002
  • · Replies 1 ·
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1
Electric field at the center of an equilateral triangle
  • rocapp
  • · Replies 5 ·
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5
Comparing Carnot efficiency to Stirling efficiency
  • WalkTex
  • · Replies 1 ·
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Momentum,impulse, force question
  • study earth
  • · Replies 4 ·
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4
Finding the z component of vectors that form a triangle?
  • rockchalk1312
  • · Replies 4 ·
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4
Using Snell's law to find the entering/exiting rays' angles
  • anthesco
  • · Replies 6 ·
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6
Projectile Motion - Equivalent javelin throw performed on the moon
  • rachel1234
  • · Replies 4 ·
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Is tangential force the same as centripetal force?
  • michelle90
  • · Replies 6 ·
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6
Understanding Pendulum Frequency & Period Changes
  • kevinnn
  • · Replies 1 ·
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1
Angular momentum of turntable problem
  • Vagabond7
  • · Replies 5 ·
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5
What is the formula for calculating momentum using i and j vectors?
  • Sneakatone
  • · Replies 19 ·
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19
Troubles with a Dynamics exercise
  • Felafel
  • · Replies 4 ·
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4