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

Help on Relativity: Showing y' Acceleration in xy Plane of S

  • mntb
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2

Who Will Reach the 200 Meter Line First: The Runner or the Bicyclist?

  • justinL
  • · Replies 1 ·
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1

Challenging math questions involving polynomial functions

  • an_mui
  • · Replies 9 ·
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9

Solve Entropy Change of Nitrogen in a Polytropic Process

  • mohdfasieh
  • · Replies 2 ·
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2

Redox Corrosion: Explaining HMS Alarm's Surprising Results

  • futb0l
  • · Replies 1 ·
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1

Simple integration but i forgot how to do it

  • mr_coffee
  • · Replies 7 ·
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7

Speed of Motorboat Going Downstream at Point 'a': 6 km/hr

  • JAIN JAIMIK
  • · Replies 1 ·
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1

How do you determine the average velocity of an object?

  • Lloydsgurl
  • · Replies 7 ·
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7

Strategies for Evaluating Trigonometric Integrals

  • Pseudo Statistic
  • · Replies 4 ·
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4
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3

Need Help with Fourier Series: sinh t & 1+ltl

  • danai_pa
  • · Replies 1 ·
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1

Help for easy electric problems

  • x-men
  • · Replies 1 ·
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1

Are There Infinite Plane Formulas for a Given Vector?

  • skiboka33
  • · Replies 7 ·
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7

Motion of a Pendulum: Find Max Velocity

  • factor_of_2
  • · Replies 1 ·
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1
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1

How Wide is the Canyon Based on Echo Time?

  • king_2005
  • · Replies 3 ·
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3

Free body diagram friction homework

  • prettynerd
  • · Replies 1 ·
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1

:Implicit Differentiation Problem - Check my work?:

  • CACain
  • · Replies 3 ·
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3

What is the formula for finding the area of a sector in a circle?

  • LocationX
  • · Replies 4 ·
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4

How to derive coefficient of friction?

  • Meteo
  • · Replies 3 ·
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3

Calculate the total momentum after the collision

  • daewoo
  • · Replies 3 ·
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3

Why Are These Dynamics Problems So Challenging?

  • akademiks
  • · Replies 1 ·
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1

Determine Projectile Motion velocity

  • dekoi
  • · Replies 14 ·
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14

Bond Angle, Can Someone Tell Me if I'm Correct?

  • amcavoy
  • · Replies 7 ·
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7

Vibrations and the wave equation

  • Tony11235
  • · Replies 1 ·
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1

Force of gravity on a spaceship - can't get right answer.

  • confusedbyphysics
  • · Replies 2 ·
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2

Solving the Speedster Puzzle: Calculating Time to Catch Up

  • Sar06
  • · Replies 4 ·
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4

How Do I Solve These Complex Astronomy Problems?

  • astronomystudent
  • · Replies 1 ·
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1

Calculate Photons/Angstrom at Cassegrain Telescope - V=9, zenith=60°

  • goleafsgo113
  • · Replies 1 ·
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1

Finding the Initial Velocity of an Egg Thrown Near a Building

  • babbagee
  • · Replies 6 ·
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6

Solving 3^{20} $\pmod{100}$ Without FLT

  • amcavoy
  • · Replies 2 ·
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2

Solving Dynamics Problem: Coriolis & Gravitational Forces on Rotating System

  • lovelyrita24
  • · Replies 1 ·
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1
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3

How Does Gravitational Force Affect a Snowball Fired from a Cliff?

  • Ginny Mac
  • · Replies 1 ·
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1

Max Speed & Displacement of Particle in Rotating System

  • lovelyrita24
  • · Replies 1 ·
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1

How Does Bessel's Method Determine Lens Focal Length?

  • Perses
  • · Replies 1 ·
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1

Projectile Trajectories: Finding Optimal Firing Angles and Flight Times

  • tralblaz
  • · Replies 11 ·
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11
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2

Find the average and uncertainty of the length of the table?

  • Haftred
  • · Replies 2 ·
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2
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1

Challenging question think you're smart enough?

  • plane
  • · Replies 1 ·
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1

How to find resultant for 3 given vectors

  • idon'tgetit
  • · Replies 2 ·
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2
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2

Can You Determine the Basis for the Range of a Linear Transformation?

  • iNCREDiBLE
  • · Replies 3 ·
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3

Linear Transformations: Proving Linearity and Finding Inverse Functions

  • Rizzamabob
  • · Replies 3 ·
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3

What is the Most Probable Speed of a Gas at a Given Temperature?

  • Romperstomper
  • · Replies 2 ·
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2

Calculate Force on Electron in Magnetic Field: 61500V, 0.477T

  • U154756
  • · Replies 3 ·
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3

Linear vs Proportional Relationship

  • AdnamaLeigh
  • · Replies 1 ·
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1
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4

How Do You Derive the Formula for the Sum of Consecutive Squares?

  • sitedesigner
  • · Replies 8 ·
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8

Calculating Mary's Moped Speed: Solving for Maximum Velocity

  • plane
  • · Replies 20 ·
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20

Solving a System of Forces Problem: Analytical Approach

  • Augusto1987
  • · Replies 4 ·
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4

Physics help on minimum stopping distance

  • emily69_420
  • · Replies 2 ·
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2

Find the Shortest Distance Between Two Lines: L1 and L2

  • brad sue
  • · Replies 2 ·
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2

Calculating initial velocity for object

  • babbagee
  • · Replies 2 ·
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2

Solving an Inhomogeneous System: A Coset of W in R^m

  • hgj
  • · Replies 2 ·
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2

Vector Space Axioms which fail certain matrices

  • gaborfk
  • · Replies 6 ·
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6

Discover the Lightest Inert Gas for Floating - Answers Inside!

  • ksaun
  • · Replies 21 ·
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21

I found a proof for the vector chain rule, but it makese no sense to me

  • mr_coffee
  • · Replies 2 ·
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2

Confusing arken/weber problem (del in triple vector product)

  • Brad Barker
  • · Replies 8 ·
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8

Probability and Multinomial Coefficients

  • hotmail590
  • · Replies 7 ·
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7

Find the probability it will be red

  • mutnauq
  • · Replies 3 ·
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3

Drawing plane curve of r(t) = <cos(t),sin(t)> have answer, confuseD

  • mr_coffee
  • · Replies 1 ·
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1

What is the max volume given certain restrictions?

  • APool555
  • · Replies 1 ·
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1

Stuck on proof Proving cross product derivative

  • mr_coffee
  • · Replies 10 ·
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10

Projectile Motion of shotputter

  • scorpa
  • · Replies 15 ·
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15

Calculating Terminal Velocity: Physics Help for a Mock Trial Project

  • honeydukes
  • · Replies 2 ·
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2

Need some math help very difficult problems

  • marmot83457
  • · Replies 9 ·
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9
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1
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1

Law of conservation of enegry and one task

  • p_kolya
  • · Replies 2 ·
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2

Length Vector Rotation Matrix Constraints | Preserve A

  • mind game
  • · Replies 1 ·
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1

How Do You Calculate the Second Derivative in Implicit Differentiation?

  • MercuryRising
  • · Replies 8 ·
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8

Solve ∫(x+2)√(x-3)dx: Get Help Here!

  • cunhasb
  • · Replies 6 ·
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6

Are My Solutions for 2nd Order ODE Real-Valued?

  • amcavoy
  • · Replies 8 ·
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8

How to get mag. & angles of resultant couple moment

  • caddyguy109
  • · Replies 1 ·
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1

Finding distribution by using mgf(moment generating function)

  • grimster
  • · Replies 10 ·
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10

Why Does a Marble Fall Faster in a Pool Than in a Narrow Tube?

  • ultraviolent
  • · Replies 2 ·
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2

Solving Snooker Ball Physics Problem: u^2(m-M)=v^2(M+m)

  • alias25
  • · Replies 5 ·
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5

Computing Reaction Forces of Supports A & B with a 2 Degree Load

  • plucker_08
  • · Replies 2 ·
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2

Coulomb's Low And Dirac Delta Functio

  • life engineer
  • · Replies 4 ·
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4

Ampere's Law and current density

  • arutha
  • · Replies 2 ·
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2

Finding Banked Angle of a Curve on Level Road

  • Dagg
  • · Replies 7 ·
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7

Solving the System: x^2+(y-5)^2=9 and y=x^2+K

  • answerseeker
  • · Replies 1 ·
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1

Finding Coefficient of Static Friction for Amusement Ride

  • jshaner858
  • · Replies 2 ·
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2

How can I find the height and time of a freely falling object?

  • whatsername
  • · Replies 5 ·
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5

Proof of Simple Limit: f(x)≤g(x) for all x

  • dylanm
  • · Replies 2 ·
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2

Fairly Simple Problem help kinda

  • tuckingfypoz
  • · Replies 1 ·
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1

Where Does the Normal Line Intersect the Parabola Again?

  • volc
  • · Replies 1 ·
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1

How Is Spring Potential Energy Calculated?

  • erik-the-red
  • · Replies 2 ·
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2

Solving for Min Speed with Applied Newton's Law

  • ISU20CpreE
  • · Replies 2 ·
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2
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3
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2

Hey, I on log and continuous growth.

  • firstwave
  • · Replies 1 ·
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1

Calculating Matrix Determinant of 4x4: Different Answers

  • sibiryk
  • · Replies 9 ·
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9

Linear Algebra: Projection Theortical Problem

  • xenogizmo
  • · Replies 6 ·
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6

Why Does Ladder Slipping Depend on the Ground's Surface?

  • brad sue
  • · Replies 2 ·
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2

Deriving the Volume of a Sphere Using Spherical Coordinates

  • sssddd
  • · Replies 4 ·
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4

Draw a tangent that is perpendicular to the line

  • TSN79
  • · Replies 7 ·
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7

Newtons Law Involving Friction

  • ISU20CpreE
  • · Replies 9 ·
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9