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

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3

Velocity vs time graph to distance vs time graph

  • james_
  • · Replies 8 ·
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8

Calculating Height of Ball Thrown at 30 Degrees

  • -EquinoX-
  • · Replies 7 ·
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7

Electric energy stored in dipole

  • mbmcgee
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1
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8

Calculating Young's Modulus for Iron Wire Experiment

  • rit
  • · Replies 3 ·
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3
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1

What is the Maximum Tension Force for a Block on an Inclined Surface?

  • Chrisleo13
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2
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Finding distance using force, acceleration, time

  • xmflea
  • · Replies 3 ·
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3

Surface Charge Density and electron

  • grouchy
  • · Replies 2 ·
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2

Help with a VT Graph: Acceleration & Deceleration Explained

  • GCSEsoon
  • · Replies 3 ·
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3

Time for boat to make two sets of displacements

  • Maiia
  • · Replies 3 ·
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3

How can I transform a parabolic or hyperbolic graph into a linear one?

  • meeklobraca
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1

Young's modulus of a copper wire

  • pizza1512
  • · Replies 2 ·
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2
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1

Simple Circuit with Resistors and Two Batteries

  • hydr
  • · Replies 7 ·
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7

Calculating Neutrino Passage in a Supernova Explosion

  • Khlaar
  • · Replies 8 ·
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8

Terminal Speed and Height of Object

  • Husker70
  • · Replies 9 ·
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9

Path of Electron in Magnetic Fields | 0.1mT & 1.0mT

  • strawberrysk8
  • · Replies 1 ·
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1

Simple Harmonic Motion Differential Equation

  • Matuku
  • · Replies 6 ·
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6

Solving Machine Problem 1: Frictionless Steel Shuttle

  • amrit2
  • · Replies 3 ·
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3

Friction needed so car does not spin out? how do you do this?

  • nfg5
  • · Replies 1 ·
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1

How can I determine the vertical distance the ball clears the wall?

  • -EquinoX-
  • · Replies 1 ·
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1

2 trains colliding, where am I wrong?

  • mridkash
  • · Replies 3 ·
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3

How Do You Calculate Displacement from a Velocity-Time Graph?

  • kmiller
  • · Replies 4 ·
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4

What is the speed of the boat after time 2.00 hr has passed?

  • mit_hacker
  • · Replies 2 ·
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2

How Does a Double-Pulley Modified Atwood Machine Work?

  • lmlgrey
  • · Replies 1 ·
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1
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5

Rocket Acceleration: Kinematics Problem Solved

  • mjolnir80
  • · Replies 8 ·
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8

Atomic Structure: Impact of 663nm Photon on Excited Hydrogen Atom

  • apunisheriii
  • · Replies 4 ·
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4

Linearizing tunnel diode equation

  • rjspurling
  • · Replies 2 ·
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Relative Velocity Homework: Solve for Ball Rise Height

  • artfuldodger2
  • · Replies 3 ·
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3

Mass is suspended and swung around, find angle?

  • nfg5
  • · Replies 1 ·
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Equivalent resistors/capacitors etc. tricky problem

  • bobthebanana
  • · Replies 1 ·
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1

Muon Decay at t=2.2x10^-6s in Frame s': Coordinates and Time

  • s7b
  • · Replies 1 ·
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1

Tell me the fourmla for displacement

  • killer22
  • · Replies 3 ·
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3

Momentum Loss in Space Shuttle on Re-Entry to Earth

  • possum30540
  • · Replies 2 ·
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2

Wavefunctions and probability-Proof

  • quantumech
  • · Replies 2 ·
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2

Finding centripetal acceleration

  • pinkerpikachu
  • · Replies 6 ·
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6

Ionic Potentials across Cell Membranes

  • mtbgymnast
  • · Replies 1 ·
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1

Kinematic equations and their applications

  • fishingspree2
  • · Replies 2 ·
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2
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6

How Close Does Halley's Comet Get to the Sun?

  • pinkerpikachu
  • · Replies 3 ·
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3

I do not understand this problem with friction,

  • nfg5
  • · Replies 2 ·
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Hi I with a displacement type problem

  • Haniszmi
  • · Replies 1 ·
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1

What is Maddie's final velocity after accelerating for 10 seconds?

  • swede5670
  • · Replies 5 ·
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5

Optimizing Pulley Sizes for Speed Matching

  • yoleven
  • · Replies 4 ·
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4

How Do You Calculate Average Frictional Force?

  • losthelp
  • · Replies 4 ·
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4

Rock climber elastic rope problem

  • hewhoeatspie
  • · Replies 1 ·
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1

Rolling Friction and Bicycle Tires

  • pureouchies4717
  • · Replies 12 ·
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12
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1

Laws of motion magnitude of average acceleration

  • maxiJ
  • · Replies 7 ·
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7
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1
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1

Circuit with a parallel plate capacitor

  • strawberrysk8
  • · Replies 6 ·
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6

What Happens to KE of a Projectile When It Hits the Ground?

  • jenm1390
  • · Replies 1 ·
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1

Moon Gravitational Force Problem

  • fewill
  • · Replies 5 ·
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5

One-Dimensional Motion Word Problem

  • bap902
  • · Replies 1 ·
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1
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1

What Is the Maximum Angle a Pendulum Swings When a Car Stops Suddenly?

  • meeklobraca
  • · Replies 12 ·
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12

Velocity vs Time Graph: Understanding Motion and Slope | Homework Help

  • BeckyStar678
  • · Replies 3 ·
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3

Estimating Time to Reach Terminal Speed Using Drag & Unit Analysis

  • Jstew
  • · Replies 2 ·
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2

How Does Package Dropping Dynamics Work for Airborne Deliveries?

  • 05holtel
  • · Replies 8 ·
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8

Drag forces on someone diving into a pool

  • Serik
  • · Replies 2 ·
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2

Finding acceleration and time in force problems

  • a18c18
  • · Replies 8 ·
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Relative velocity of rain to car

  • Maiia
  • · Replies 2 ·
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2

What Coefficient of Friction Is Required for a Car on a Banked Curve?

  • hofluff87
  • · Replies 4 ·
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4

Two blocks and a pulley, friction

  • nbaumann
  • · Replies 2 ·
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2

Conservation of Energy initial velocity

  • vesperaka
  • · Replies 4 ·
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4

Solving the Time for a Ball Thrown Vertically Upward

  • Thiendrah
  • · Replies 4 ·
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4

How do I find the time a body needs to attain a velocity?

  • Akane55
  • · Replies 1 ·
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1

Creating lift equation-NEED HELP

  • FutureFighter
  • · Replies 1 ·
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1

Solving 2D Collision: Find v1 & v2 Magnitudes

  • kbeyer
  • · Replies 1 ·
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1

Distance up an incline question

  • meeklobraca
  • · Replies 16 ·
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16

Finding Loop Current in Uniform Magnetic Field | 0.13m^2, 5.0 Ohms, B_z_=at^2-b

  • Lance WIlliam
  • · Replies 1 ·
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1

Block on a moving inclined plane

  • M4573R
  • · Replies 9 ·
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9

Frictionless sphere, falling particle

  • professor
  • · Replies 2 ·
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2

Properties of Friction H.W Problem

  • afcwestwarrior
  • · Replies 6 ·
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6

Find Contact Force Between Two Blocks: M1=1.75kg, M2-3.38kg, F=6.10N

  • shimizua
  • · Replies 3 ·
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3

Solving a Voltage Problem - Q, E Field, E Potential

  • bodensee9
  • · Replies 1 ·
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1

How Long Did Boo Radley Accelerate to Finish the Race on Time?

  • .benK
  • · Replies 6 ·
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6

Why Do Larger Atomic Nuclei Require More Neutrons?

  • nathan17
  • · Replies 1 ·
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1

Calculate the resulting charge on each capacitor

  • Calcguy
  • · Replies 1 ·
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1

Optimizing Projectile Motion: Finding the Maximum Height in a Vertical Circle

  • oscar_lai_hk
  • · Replies 1 ·
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1

How Does Charge Placement Affect the Electric Field Calculation?

  • jelliDollFace
  • · Replies 14 ·
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14

Why Is My Approach to Solving Physics Homework Incorrect?

  • Garen
  • · Replies 3 ·
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3

Quick question about uncertainty calculation

  • mjolnir80
  • · Replies 4 ·
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4

How Does Friction Affect Stopping Distance and Speed?

  • rgalvan2
  • · Replies 11 ·
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11

Help with the Heisenberg uncertainty principle

  • Bazanaka
  • · Replies 4 ·
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4

Projectile motion, finding initial velocity

  • fishingspree2
  • · Replies 4 ·
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4

What is the point where the electric field is zero?

  • gnarkil
  • · Replies 8 ·
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8

Acceleration due to gravity question?

  • jbgibson
  • · Replies 1 ·
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1

Find the initial separation between the particles

  • nckaytee
  • · Replies 9 ·
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9

Vector Addition: Finding Displacement Using Magnitude and Direction

  • wadesweatt
  • · Replies 10 ·
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10

Calculating Average Velocity from Position vs Time Graph

  • chanv1
  • · Replies 9 ·
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9

What Does a Voltmeter Read When Connected Directly to a Battery?

  • vlanger
  • · Replies 1 ·
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1

Force problem with non-massless rope

  • azure kitsune
  • · Replies 3 ·
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3

Calculating the Force of a Wall on a Wedge

  • darealprince
  • · Replies 5 ·
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Calculate Distance & Velocity of Mass with Spring Compressed

  • bkhofmann
  • · Replies 2 ·
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2