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

How Long Does It Take a Sports Car to Travel 0.5 Miles from Rest?

  • xxQueenie47xx
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2

Calculus question- differentiation

  • tracey163
  • · Replies 4 ·
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4

Whats the difference between log and ln?

  • gillgill
  • · Replies 1 ·
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1

Why is q Smaller or Equal to T(S2-S1)?

  • asdf1
  • · Replies 1 ·
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1

How Many Parameters Define O(N) and SO(N) Groups?

  • Norman
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1

How does the size of a hole affect the rate of water drainage from a barrel?

  • LocktnLoaded
  • · Replies 5 ·
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5

Calculating Distance Traveled on Incline with Kinetic Friction

  • LCB
  • · Replies 2 ·
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2

Find the components for F (AC)?

  • sfgradv
  • · Replies 5 ·
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5

What is the Acceleration of a Tennis Ball After Being Served?

  • LCB
  • · Replies 2 ·
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2

Help,varifications of problem with rectangle loop and mass

  • Pepsi24chevy
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1

Calculate Energy of Parallel-Plate Capacitor: 10.4V

  • U154756
  • · Replies 1 ·
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1

Help with Physics Problem: 1.2 Tonne Car Acceleration

  • Kain
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2

What is the total energy of the point charge?

  • meadow
  • · Replies 3 ·
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3

New equation? y=3tan(2x) shifted down 5 and 60 left?

  • aisha
  • · Replies 1 ·
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1

Two Dimensional Kinematic Question

  • Dooh
  • · Replies 1 ·
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1

Frictional Force and Acceleration

  • LCB
  • · Replies 1 ·
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1

Physics Kinematics of a rock drop

  • jai6638
  • · Replies 10 ·
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10

Can You Determine the Correct Wavelength Measurement in Physics Class?

  • bayan
  • · Replies 1 ·
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1

How do I determine which chemical is in which bottle

  • h_k331
  • · Replies 3 ·
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3

Calculating Time for US Debt to Double: Y=1/r ln(x)

  • sfgradv
  • · Replies 3 ·
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3
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5

Solve Kinematic Equations: Find V0 or T with A,Vf,D

  • B-80
  • · Replies 1 ·
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1

Calculate Frictional Force Driving Up Inclined Hill - 4270kg Car

  • jbowser
  • · Replies 1 ·
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1

Is this a partial derivatives? Or just simple algebra?

  • CinderBlockFist
  • · Replies 2 ·
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2

How does e^(2ln(t)) equal t^2?

  • CinderBlockFist
  • · Replies 4 ·
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4

Struggling with the FTOC: Derivative of g(x)

  • Echo 6 Sierra
  • · Replies 5 ·
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5

Does e^{iS} Equal Zero When S Approaches Infinity in Feynman Path Integrals?

  • kakarukeys
  • · Replies 7 ·
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7

The eqn and proof of energy of sinosiodal waves.

  • Wen
  • · Replies 2 ·
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2

How Do Topological Closures Relate in Union Operations?

  • Long2024
  • · Replies 1 ·
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1

Electric Field Energy (dielectrics

  • da_warped_1
  • · Replies 1 ·
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1

Calculating Kinetic Energy Using the Work-Energy Theorem

  • evgeniy
  • · Replies 3 ·
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3

Matrices, I can't seem to cancel out any more elements

  • mr_coffee
  • · Replies 6 ·
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6

In what direction should the pilot travel in this direct flight?

  • physics1720
  • · Replies 4 ·
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4

Force on a point charge due to a rod

  • stunner5000pt
  • · Replies 4 ·
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4

How to Express Period as a Function of Length?

  • DB
  • · Replies 4 ·
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4

What are the bases for U and W in R^4?

  • abcdefg
  • · Replies 1 ·
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1

Having problem showing the vectors point in the same dir. its a 0 Vector?

  • mr_coffee
  • · Replies 23 ·
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23

CHECK PLEASE Tan BEHAviour IN TRANSFORMATION

  • aisha
  • · Replies 3 ·
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3

Solve (3 3/8) to the power of -1

  • Nicholasw
  • · Replies 1 ·
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1

How Do You Calculate the Tension in a Chandelier Cable?

  • ~angel~
  • · Replies 10 ·
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10

Download Math Worksheets for Algebra 2 & Geometry

  • njkid
  • · Replies 1 ·
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1

Need help setting up basic dynamics problem

  • fletch
  • · Replies 1 ·
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1

Solve Integral Problem: L.H.S w/ a,b,x0

  • princepolo
  • · Replies 1 ·
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1

Calc III, Determing the coordinates of P

  • mr_coffee
  • · Replies 6 ·
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6

What is the total flight time of a missile to intercept an aircraft?

  • ozzy
  • · Replies 13 ·
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13

Showing dot product is commutative, please

  • mr_coffee
  • · Replies 13 ·
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13

Can I Convert G/cm³ to G/nm³? Understanding the Conversion Process

  • fusi0n
  • · Replies 4 ·
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4

Need Help with Eng Physics Problems? Get Expert Solutions in Minutes!

  • 9danny
  • · Replies 8 ·
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8

How Can We Understand Iterated and Double Limits in Complex Variables?

  • hanson
  • · Replies 4 ·
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4

Solve the system x+y=9, x^2 - y^2 = 36 for x and y

  • aricho
  • · Replies 5 ·
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5

Why Does My Solution to French's Mechanics Problem 6-3 (b) Differ from the Book?

  • Dorothy Weglend
  • · Replies 7 ·
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7
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3

Find Limit of F(x) at x=1: 2x^2, 3, x+

  • bard
  • · Replies 4 ·
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4

Estimate # Water Molecules in 1.5mm Raindrop

  • mh922253
  • · Replies 1 ·
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1

Calculating Time Length of Train and Wall Intersection

  • dnt
  • · Replies 2 ·
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2

Simple Optics: Image Formed By Two 15cm Lenses

  • beethoven'smahomeboy
  • · Replies 1 ·
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1

Finding a Perpendicular Vector in 3D Space

  • SigmaCrisis
  • · Replies 7 ·
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7

Chemistry Assignment: Solving Mass% and Density Problems

  • rochelle_soccergirl
  • · Replies 3 ·
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3

How Many Water Molecules Are in a 1.5 mm Raindrop?

  • mh922253
  • · Replies 2 ·
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2

Need to derive the distance formula from the acceleration due to gravity

  • Icedfire01
  • · Replies 2 ·
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2

SAC Probability Help: Find the Probability of 15-20 Students

  • bayan
  • · Replies 3 ·
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3

Finding Acceleration with Unknown Velocity: A Mechanics Problem

  • GregA
  • · Replies 7 ·
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7

How many generations must a person go back to have at least 1000 ancestors?

  • universal-confusion
  • · Replies 5 ·
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5

Just a quick question on completeness

  • Oxymoron
  • · Replies 3 ·
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3
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1

Tension on string pulling up water

  • sfgradv
  • · Replies 7 ·
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7

Finding Tangent Line of f(x) at (4,(2/5))

  • Victor Frankenstein
  • · Replies 2 ·
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2

Can I Find a Video Explanation of the Right-Hand Method for Cross-Products?

  • M_LeComte
  • · Replies 5 ·
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5

Stuck on a 1500hp Pump Problem: Solve for Velocity & Efficiency

  • crslax9
  • · Replies 6 ·
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6

Bad Physics Teaching: Solve Grade 11 Physics Question

  • SRForum
  • · Replies 2 ·
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2

How Long Does It Take for a Dropped Camera to Hit the Ground?

  • ms. confused
  • · Replies 4 ·
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4

Answer Time Speed Problems: Calculate Distance from Earthquake

  • MrMiyagi901
  • · Replies 3 ·
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3
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3

Calculating Kinetic Energy of Particle B Using Electrical Potential

  • srhly
  • · Replies 1 ·
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1

Derivative of Piece-Wise Function

  • Jeremy
  • · Replies 3 ·
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3

Calculating Acceleration for a Sports Car Stopping at 50m from 90 km/h Speed

  • reliquator
  • · Replies 11 ·
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11

Question involving beats and sound waves

  • insertnamehere
  • · Replies 3 ·
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3

How Far Will You Go Before Stopping? Can You Avoid Hitting the Dog?

  • ms. confused
  • · Replies 2 ·
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2

Checking Distance Travelled by Car: Is 3.2 km Right?

  • brad sue
  • · Replies 1 ·
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1

Calculating Speed of m3 Using Energy Concepts in a Frictionless System

  • jman1211
  • · Replies 5 ·
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5
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17

How to Approach Projectile Motion on an Inclined Surface?

  • Pepsi24chevy
  • · Replies 1 ·
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1

Converting Liters to Cubic Inches Using Dimensional Analysis

  • courtrigrad
  • · Replies 2 ·
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2

What equation am I supposed to use for potential difference?

  • destinee20
  • · Replies 3 ·
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3

What is the dielectric constant of the material between the plates?

  • jpjp
  • · Replies 3 ·
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3

Solving Airplane Pilot Problem - Find Angle & Speed Over Ground

  • clair_a_net
  • · Replies 1 ·
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1

Limit lim(x->pi/4) tan(2x) =tan(pi/2)

  • bard
  • · Replies 2 ·
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2

Heat Transfer Problem in Cylindrical

  • danai_pa
  • · Replies 4 ·
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4

Proving the Primality of an Integer with a Specific Divisibility Property

  • Cableguy008
  • · Replies 5 ·
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5

Calculating Tangent for Accelerated Motion: Rise/Run?

  • Turvey
  • · Replies 1 ·
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1

Finding Tangent Line to f(x) at (4, (2/5))

  • Victor Frankenstein
  • · Replies 2 ·
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2

Calculating Flee's Acceleration After Take-Off

  • N2
  • · Replies 1 ·
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1

What is the car's vertical velocity

  • BriannaUND
  • · Replies 1 ·
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1

How Does Relative Motion Affect Raindrop Trajectories on a Moving Car?

  • AdnamaLeigh
  • · Replies 3 ·
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3

Compare y=Cos(x) and transformation HELP

  • aisha
  • · Replies 2 ·
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2

Why Is My Electric Field Calculation for a Conducting Shell Incorrect?

  • starving_student
  • · Replies 1 ·
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1

Prove triangle PQS is similar to triangle QRS

  • aricho
  • · Replies 3 ·
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3

Calculating Paint Volume for a 100x100 Block Structure

  • mrShaun
  • · Replies 4 ·
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4

How Do You Calculate River Concentration After a Discharge?

  • yellowdoraemon
  • · Replies 3 ·
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3

Finding a Vector Valued Function for a Curve: Counterwise/Clockwise

  • brad sue
  • · Replies 3 ·
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3