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

Mutiple Choice - Equilibrium state

  • ChemRookie
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1

Calculate Speed of Proton in Electric Field

  • kpangrace
  • · Replies 3 ·
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3

Constant slope acceleration problem

  • shuvit760
  • · Replies 4 ·
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4

How Does a Car Maintain Centripetal Force on a Banked Turn Without Friction?

  • beginner16
  • · Replies 27 ·
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27

Solving Nested Double Integration Problems

  • ApeXaviour
  • · Replies 8 ·
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8

What is the equation for adiabats in a P-V plane?

  • moonman
  • · Replies 3 ·
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3

Kinetic Energy & Work: Solving the Physics Problem

  • Ginny Mac
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2

Question from a Physics beginner

  • SnackMan78
  • · Replies 2 ·
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2

Solving Equations with Logarithms: Where Did the Missing Root Go?

  • Robokapp
  • · Replies 6 ·
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6

Distribution of minimum of random variables

  • Millie
  • · Replies 2 ·
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2

Why is it difficult to get up when starting water skiing?

  • em123
  • · Replies 1 ·
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1

Calculate the maximum current a 140 ohms, 1/2 watt

  • Bobzombie
  • · Replies 1 ·
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1

What is the inductance needed for a maximum potential difference?

  • Pepsi24chevy
  • · Replies 7 ·
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7

What forces should be included?

  • Doppler
  • · Replies 8 ·
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8

How Does Power Depend on Resistance in Electrical Circuits?

  • khiamabbasi
  • · Replies 4 ·
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4

Differential Equation and Newtons 2. law

  • Atilla1982
  • · Replies 1 ·
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1

Problem with this trig identity

  • mcah5
  • · Replies 3 ·
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3

Projectile Motion Lab: Finding Angle for Hitting a Falling Target

  • jess2424
  • · Replies 2 ·
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2

Deriving a Launch Angle Equation - Projectile Motion -

  • IntellectIsStrength
  • · Replies 5 ·
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5

Series, Sequence and Probablility Question

  • TonyC
  • · Replies 8 ·
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8

How Do You Calculate the Sum of Squares from \(n+1\) to \(2n\)?

  • misogynisticfeminist
  • · Replies 2 ·
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2

Good old wedge and block sliding problem

  • code.master
  • · Replies 3 ·
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3

Kinematics Physics Problems: Race Car & Ship Interception | Expert Guidance

  • physixnot4me
  • · Replies 11 ·
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11
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6

Please check this answer for me (Projectile Motion Question)

  • an_mui
  • · Replies 5 ·
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5

Understanding Absolute Value Sign in Derivative

  • sony
  • · Replies 2 ·
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2

Function f Continuity at Irrational and 0: Sketch

  • iNCREDiBLE
  • · Replies 1 ·
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1

Solving Physics Problem: Mass of Gas Expelled for 7600kg Space Probe

  • twofish
  • · Replies 6 ·
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6

Solve Trig Equation: 1+cos(180+2u) let 90+u be f

  • UnD
  • · Replies 2 ·
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2

Mechanics - mass on a circular ramp

  • dusty8683
  • · Replies 2 ·
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2

What is the launch angle for a stream of water hitting a beetle on a leaf?

  • Blackwolf189
  • · Replies 3 ·
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3

Calculating the Present Value of an Annuity with Annual Compounding

  • TonyC
  • · Replies 2 ·
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2

Find the Angle for Physics Problem Involving Pulleys & Friction

  • robobot4
  • · Replies 10 ·
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10

How do I find the acceleration of a double plane system with friction?

  • seang
  • · Replies 4 ·
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4

How Is the Thickness of an Oil Film Calculated in a Plano-Convex Lens Setup?

  • beethoven'smahomeboy
  • · Replies 1 ·
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1

Initial Speed and Kinetic Friction: Theta

  • kcpeters
  • · Replies 1 ·
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1

How can I solve this integral using integration by parts?

  • jacy
  • · Replies 20 ·
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20
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1

Grade 11 Math Problem: Solving for Distance and Time on a Family Road Trip

  • might hire
  • · Replies 13 ·
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13

What Are Your Most Memorable Moments to Explore?

  • caddyguy109
  • · Replies 2 ·
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2

Proof regarding 1-1, and onto mappings

  • calvino
  • · Replies 1 ·
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1

Calculate (a) the average velocity of the particle

  • juicev85
  • · Replies 4 ·
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4

How Long Will It Take a Space Tug to Pull an Asteroid?

  • Ztalin
  • · Replies 3 ·
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3

Solve Numerical Problems: 4x^2 - e^x = 0

  • stunner5000pt
  • · Replies 12 ·
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12

Calculating Relative Velocities of Cars A and B | Simple Formula

  • thursdaytbs
  • · Replies 3 ·
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3

Can You Stop Your Truck Without Damaging the Antiques?

  • dekoi
  • · Replies 7 ·
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7

Can somebody explain the difference between monotone and continuous

  • Imparcticle
  • · Replies 1 ·
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1

Magnitude of Force Exerted on 1904kg Car by Road

  • AdnamaLeigh
  • · Replies 2 ·
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2

Motion, Strobe and Newton's Laws

  • physicsidiot71784
  • · Replies 1 ·
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1

Calculus I Practice Problems with Limits and Derivatives

  • dekoi
  • · Replies 2 ·
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2

How Do You Calculate Mass Using Newton's Laws?

  • ouse
  • · Replies 4 ·
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4

Use the Intermediate Value Theorem

  • scorpa
  • · Replies 5 ·
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5

Analyzing Superposition of Waves with Different Phases

  • hotmail590
  • · Replies 10 ·
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10

Calc III< confused on what he wants from directions, graphing a limit?

  • mr_coffee
  • · Replies 8 ·
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8

At what distance has spheres decreased Electric potential by 700V?

  • mr_coffee
  • · Replies 3 ·
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3

How can I solve this differential equation with given initial conditions?

  • amcavoy
  • · Replies 5 ·
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5

Calculating Dew-point from RH & Temp

  • ZegeunerLeben
  • · Replies 4 ·
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4

Absolute Value Equation. (alg.2)

  • njkid
  • · Replies 2 ·
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2

Calculating Speed, Acceleration & Force of a 75kg Man Falling 3.10m

  • alafleur1
  • · Replies 1 ·
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1

Ranking the E-field from a graph alittle confused.

  • mr_coffee
  • · Replies 2 ·
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2

What Forces Conserve Energy and What Is the English Unit of Force?

  • Poy
  • · Replies 3 ·
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3

Solving Two Acceleration Problems: Homework Help Needed!

  • Martis31
  • · Replies 1 ·
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1

What is the ball's horizontal displacement?

  • F.B
  • · Replies 4 ·
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4

Help with Lenses Questions: Angle & Image Size

  • 123Sub-Zero
  • · Replies 2 ·
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2

Help anyone know how to do this type of problem

  • tboltzsoccer
  • · Replies 12 ·
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12

Incorporate another function into this problem C++

  • heavyc
  • · Replies 1 ·
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1

Centrifuge Revolution Calculation

  • je55ica7
  • · Replies 4 ·
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4

What is a fColumb? Finding Net Electric potential, still wrong

  • mr_coffee
  • · Replies 3 ·
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3

Find the components of the force

  • kreil
  • · Replies 1 ·
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1

Calculating Forces and Acceleration

  • airelemental135
  • · Replies 1 ·
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1

Contradiction of 1000 Neutrons in 1D Box of Length L

  • quasar987
  • · Replies 14 ·
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14

Here's a toughy about pulleys and friction

  • CoCaDragonfly
  • · Replies 3 ·
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3
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1

Taylor Polynomial (n=4) for g(x): Showing 0<E4(x)<80x^5

  • sony
  • · Replies 2 ·
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2

Stone Falling Motion: Debunking the Myth of Upward Acceleration in Reverse

  • TickleMeElma
  • · Replies 5 ·
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5
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3

How Can I Simplify and Shift the Graph of Absolute Values?

  • Jeff Ford
  • · Replies 3 ·
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3

Calculating Power Needed to Move a 196kg Crate at 2.85m/s

  • willworkforfood
  • · Replies 5 ·
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5

How much heat is transferred and at what temperature?

  • ice87
  • · Replies 3 ·
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3

Permutations of prime ministers

  • fork
  • · Replies 3 ·
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3

Calculate Fuel Consumption for Cars: Tips & Advice

  • alex6192
  • · Replies 2 ·
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2

Solving Int. e^(-x^2) w/ Change of Variable: Help Needed

  • Castilla
  • · Replies 4 ·
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4

Alternative efficient ways to do partial fraction?

  • hanhao
  • · Replies 1 ·
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1

Projectile motion with air resistance

  • Warr
  • · Replies 4 ·
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4
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6

Find Electric Flux and Charge in Cube with Edge at (0,0,0)

  • stunner5000pt
  • · Replies 20 ·
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20

Relativistic Energy- well a basic algebraic simplification

  • Sneil
  • · Replies 4 ·
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4

Navigating the Wind: A Pilot's Challenge

  • lankan911
  • · Replies 2 ·
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2
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2

Calculating Drag & Friction on 80kg Skier Down 40° Slope

  • Gott_ist_tot
  • · Replies 1 ·
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1

Solved: What Was the Missing Detail in This Integration by Parts Problem?

  • paul-martin
  • · Replies 5 ·
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5

What sort of spiral is traced out by each of the ants?

  • recon
  • · Replies 3 ·
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3

What is the inverse of ln(x^2) and its symmetry properties?

  • ludi_srbin
  • · Replies 5 ·
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5

Yay, another differential equations question

  • schattenjaeger
  • · Replies 2 ·
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2

Two Differential Equation Problems

  • JM00404
  • · Replies 2 ·
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2

Parametric Equations for Tangent Line at (cos 0pi/6, sin 0pi/6, 0pi/6)

  • weckod
  • · Replies 9 ·
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9

What Is the Collision Height of Two Balls with Different Initial Velocities?

  • justagirl
  • · Replies 4 ·
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4
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2

Separate Brass & Aluminum Rods: Thermal Expansion

  • thenewbosco
  • · Replies 1 ·
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1

Linked List Creation and Manipulation in C++: A Comprehensive Guide

  • heavyc
  • · Replies 1 ·
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1