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

Tried getting a common denominator for both fractions

  • aisha
  • · Replies 10 ·
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10

Calculating Cork Volume for Child's Water Slide Float | Fluid Questions

  • shadow2006
  • · Replies 2 ·
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2

Spring Mechanics homework problem

  • aviv87
  • · Replies 7 ·
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7

Mass connected to two springs - simple harmonic motion

  • Skomatth
  • · Replies 2 ·
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2

How Does Friction Affect the Motion of Blocks on Dual Inclined Planes?

  • bassmann
  • · Replies 2 ·
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2

Solve 8. CJ5 7.P.032: Puck A & B Final Speed

  • Katerina Villanova
  • · Replies 2 ·
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2

Answer Momentum Question: Find Puck A & B Final Speeds

  • Katerina Villanova
  • · Replies 2 ·
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2

Genetics Desperately waiting for replies

  • saltrock
  • · Replies 2 ·
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2

Suggestion for cool, interesting experiments

  • niehls
  • · Replies 2 ·
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2

How Do I Find the Antiderivative of x((2x^2) - 2)^3?

  • buffgilville
  • · Replies 3 ·
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3

Coefficient of kinetic friction between the chair and the waxed floor?

  • togepyamy
  • · Replies 5 ·
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5

How long was the mallet in contact with the ball?

  • tony873004
  • · Replies 2 ·
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2

Two Oscillator Frequencies on the moon

  • mikezietz
  • · Replies 4 ·
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4

How can I find y' for two logarithmic equations?

  • Dantes
  • · Replies 2 ·
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2

Find Square Root: 5+12i Calculation

  • aisha
  • · Replies 10 ·
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10
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5

Proving Error Function: Solutions & Tips

  • vtnsx
  • · Replies 2 ·
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2

Need Help at attempted problems

  • NotaPhysicsMan
  • · Replies 9 ·
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9

Spring and Projectile Motion Problem

  • mkcompu
  • · Replies 2 ·
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2

Grah need a bit of trig derivative help.

  • Vadim
  • · Replies 2 ·
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2

Quick Question about series circuit

  • sp00ky
  • · Replies 2 ·
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2

Find Spring Constant for Mass-Spring System

  • ccbb
  • · Replies 2 ·
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2

Calculating Spring Constant: Finding k Without Force Information

  • Flinthill84
  • · Replies 8 ·
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8

Need help with lim sqrt(n)/n as n-> infinity

  • twoflower
  • · Replies 13 ·
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13

What Went Wrong in Calculating Equilibrium Temperature?

  • mikep
  • · Replies 2 ·
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2

How Fast Must a Bullet Travel to Tip a Cube on Its Edge?

  • gaborfk
  • · Replies 23 ·
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23

Comets and orbital periods and such

  • vatechacc
  • · Replies 2 ·
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2

Solve Complex Numbers: Express (1/Z1)-(1/Z2) as a+bi

  • aisha
  • · Replies 12 ·
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12
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4

How long does it take for rotating platform to stop

  • Alem2000
  • · Replies 2 ·
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2

How Does Recoil Affect Bullet Velocity in Physics?

  • zoetrope
  • · Replies 2 ·
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2

Mastering physics help Gravitational Potential Energy

  • vatechacc
  • · Replies 2 ·
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2

What is the Probability Distribution of X in a Two Dice Roll?

  • Mo
  • · Replies 9 ·
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9

Need Help on Masterphysics.com? Solutions Here!

  • madmanx
  • · Replies 2 ·
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2

Where Does a Car Exert the Greatest Force on a Mountain Road?

  • DLxX
  • · Replies 4 ·
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4

How Does Damping Affect the Amplitude of a Compound Pendulum?

  • Brewer
  • · Replies 2 ·
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2

Finding the Final Temperature of a Water Mixture: A Chemistry Problem

  • wolfson_1123
  • · Replies 2 ·
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2

Centripetal Force in Uniform Centripetal Motion: Direction?

  • UrbanXrisis
  • · Replies 5 ·
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5

Solving the Pendulum Problem: Find d for a Complete Circle

  • ek
  • · Replies 4 ·
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4

Arithmetic Sequence Series Problem

  • nobb
  • · Replies 2 ·
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2

2kg ball in simple harmonic motion

  • clh7871
  • · Replies 2 ·
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2

Circular Motion Fun: Calculate Mass Speed at Highest Point

  • Khartoum
  • · Replies 2 ·
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2

What Is the Equation of a Level Curve Through a Given Point?

  • DeadxBunny
  • · Replies 2 ·
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2

Analyzing s(t)=t^3-3t: When is It Speeding Up?

  • UrbanXrisis
  • · Replies 2 ·
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2

Is the Directed Graph for this Circuit Correct?

  • SpeedBird
  • · Replies 2 ·
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2

How did mathematicans define sin?

  • primarygun
  • · Replies 18 ·
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18
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26

Calculating Vertical Velocity: Derivatives and Rates of a Waterskier on a Ramp

  • SyntheticVisions
  • · Replies 3 ·
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3

How Does Cross Sectional Area Affect String Wavelength Calculation?

  • buffgilville
  • · Replies 2 ·
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2

Possible webpage title: Calculating Frequency Shift for Moving Sound Source

  • buffgilville
  • · Replies 2 ·
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2

Calculating Frequency, Speed, and Tension of a Guitar String: Helpful Tips"

  • buffgilville
  • · Replies 2 ·
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2

Prove Sum Divisible by 5 with 5 Arbitrary Natural Numbers

  • Zurtex
  • · Replies 2 ·
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2

Help for exam(differential calc)

  • matrix_204
  • · Replies 2 ·
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2

Gauss' Law in Dielectrics Part II

  • joshanders_84
  • · Replies 2 ·
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2
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1

Solving Power Problems: Finding d & l

  • PixelHarmony
  • · Replies 2 ·
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2

Find the speed of the driven wheels in rpm

  • tony_engin
  • · Replies 3 ·
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3

Gravitation acceleration question

  • jenavira
  • · Replies 2 ·
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2

Linear Density & Center of Mass

  • Ineedphysicshelp
  • · Replies 2 ·
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2

How Do Fourier Series Model the Motion of a Struck String?

  • daydreaming1989
  • · Replies 2 ·
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2

Hey whats mechanical energy got to do with it? +__+ yeesh

  • puregoodboi
  • · Replies 2 ·
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2

Understanding the Derivative of e^u with Examples

  • UrbanXrisis
  • · Replies 4 ·
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4

Need help w/ centripetal acceleration lab questions

  • ballahboy
  • · Replies 3 ·
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3

What is meant by "each occupied by one particle at the same time"

  • JamesJames
  • · Replies 2 ·
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2

Angular momentum of a merry-go-round

  • quick
  • · Replies 3 ·
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3

Solving Lawn Mower Problem: Retarding Force, Normal Force, Acceleration

  • trixid
  • · Replies 2 ·
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2

Pressure difference in a bucket sitting in an elevator

  • mikezietz
  • · Replies 2 ·
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2

Internal Resistance in a Battery

  • joshanders_84
  • · Replies 2 ·
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2

Proof of 5.875m Initial Height of Batted Ball

  • aisha
  • · Replies 8 ·
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8

Projectile motion of a particle

  • Nylex
  • · Replies 5 ·
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5

Measuring height of building with barometer

  • Bcisewski
  • · Replies 14 ·
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14

Solving For Efficiency & Wasted Thermal Energy in Coal-Fired Plant

  • roland8727
  • · Replies 3 ·
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3

Finding Exact and WKB Wavefunction for V(x) in E=10 Situation

  • JamesJames
  • · Replies 5 ·
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5

How Fast Can Air Travel Through a 2.5 Inch Pipe at 14.7 PSI?

  • synapicphysic
  • · Replies 2 ·
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2

Convergence of Quick Sequence: Proof, Upper & Lower Bounds

  • kdinser
  • · Replies 3 ·
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3

Speed of Blood in Arteriole and Capillaries

  • dphoos
  • · Replies 2 ·
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2
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9

Does the Limit of a Polynomial Diverge as x Approaches Infinity?

  • quasar987
  • · Replies 2 ·
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2

How Do You Solve a Max Min Quadratic Problem in Economics?

  • aisha
  • · Replies 3 ·
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3

Solving Adiabatic Process Problem: Find Final Volume & Pressure

  • Spectre5
  • · Replies 3 ·
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3

Velocity Addition: Solving the Mystery

  • Mivz18
  • · Replies 8 ·
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8

Circular motion of steel block

  • nat
  • · Replies 2 ·
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2

Understanding R, c, and x in Power Series

  • kdinser
  • · Replies 3 ·
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3

How Does Cue Ball Velocity Affect Target Ball Speed in Billiards?

  • Lorax
  • · Replies 5 ·
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5

Calculus Problem with simplifying

  • K - Prime
  • · Replies 3 ·
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3

How can I use physics to explain the jump on my marble roller coaster?

  • ameriland_06
  • · Replies 6 ·
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6

Terminal velocity of a ping pong ball

  • disruptors
  • · Replies 2 ·
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2
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2
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2

At wits ends please someone help

  • americanangel
  • · Replies 4 ·
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4

How to find the 10th derivative of f(x)=\sqrt{1+x^2} using binomial series?

  • DivGradCurl
  • · Replies 4 ·
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4

Help on QM Problem - Dirac Notation

  • AKG
  • · Replies 16 ·
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16

Force of weight of the suspended ball

  • Biya
  • · Replies 4 ·
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4

A few questions on pH < before a test

  • peter444
  • · Replies 2 ·
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2

Find the final temperature of the ball

  • dphoos
  • · Replies 4 ·
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4

Calculating Friction Force for Car in Circular Motion

  • gillgill
  • · Replies 3 ·
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3

Maximum Projectile Speed for Safe Hanging: 20kg Wood Ball and 2m Long Wire

  • darkdryad
  • · Replies 3 ·
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3

What is the 40th term of this arithmetic sequence?

  • Poweranimals
  • · Replies 19 ·
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19
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3

Help with Friction and Newtons laws

  • iamgod21
  • · Replies 5 ·
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5