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

Solving Iterated Integrals with x, y Boundaries

  • stunner5000pt
  • · Replies 5 ·
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5

Simple harmonic motion object problem

  • jaymode
  • · Replies 2 ·
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2

Number of Workers Needed to Hold 2600kg Stone Block at Rest

  • TyFelmingham
  • · Replies 3 ·
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3

Mass of singly charged uranium-238

  • neik
  • · Replies 2 ·
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2

How Do You Calculate the Damping Constant for a Spring-Mass System?

  • jaymode
  • · Replies 5 ·
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5

Get Expert Physics Help for Collisions - Step-by-Step Guide

  • naren11
  • · Replies 4 ·
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4

Combination of Linear and Angular momentum

  • ness9660
  • · Replies 2 ·
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2

Force problem PLEASE guide me in the right direction

  • Byrne
  • · Replies 3 ·
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3

Chemistry investigatory project

  • kaushik123456789
  • · Replies 2 ·
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2

What Are the Displacement Vectors of Chess Pieces in Physics?

  • brokenangel1787
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2

How Did Fuji's APS System Impact the Point and Shoot Camera Market?

  • mouse
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2

Maximize Profit: Solve Revenue Problem for G-Food Catering

  • joejo
  • · Replies 4 ·
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4
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8

Determine the half lives of two radioisotopes

  • robbo157
  • · Replies 1 ·
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1

Pendulum issues - find acceleration and restoring force

  • UrbanXrisis
  • · Replies 3 ·
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3

Gas Concentration: ppm by Volume vs mg/L

  • gunnar
  • · Replies 2 ·
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2

How Do You Calculate Speed Down an Incline Correctly?

  • the_d
  • · Replies 25 ·
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25

Fluid Mechanics of water and oil

  • Jayhawk1
  • · Replies 2 ·
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2

Solving the Wave Equation Using Separation of Variables

  • pt176900
  • · Replies 3 ·
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3
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16

Simple harmonic motion glider problem

  • adrian783
  • · Replies 10 ·
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10

Maximum dimensions-very interesting

  • joejo
  • · Replies 2 ·
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2

How Do Basic Chemistry Questions Challenge Beginners?

  • decibel
  • · Replies 5 ·
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5

What Is the Box's Speed at t = 0.6?

  • the_d
  • · Replies 2 ·
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2

Find Bounds for Area of Region: r^2 = 128cos(2\theta)

  • ILoveBaseball
  • · Replies 3 ·
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3
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9

Help with physical sci problems

  • heatherly1004
  • · Replies 9 ·
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9

Bike Wheel Angular momentum problem

  • Punchlinegirl
  • · Replies 8 ·
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8

Find the area of the region bounded

  • ILoveBaseball
  • · Replies 6 ·
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6

More Voltage Woes: Solving Electrical Circuit Problems

  • scorpa
  • · Replies 8 ·
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8

Local maximum and global maximum.

  • joejo
  • · Replies 3 ·
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3
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5

Voltage Drops In Series Circuits

  • scorpa
  • · Replies 14 ·
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14

Calculating Angular Acceleration for a Pully Problem with a Solid Cylinder

  • ninjagowoowoo
  • · Replies 3 ·
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3

Calculating Work for Orbital Transfer of a Satellite

  • seiferseph
  • · Replies 9 ·
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9

The Mysteries of Liquid Nitrogen

  • lollipop
  • · Replies 2 ·
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2

How Far Does the Block Travel After a Bullet Collision?

  • evan4888
  • · Replies 3 ·
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3

Calculus homework studying for the test: Find K such that

  • huan.conchito
  • · Replies 18 ·
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18

How Much Energy Is Produced by the Reaction of H and F?

  • anias
  • · Replies 2 ·
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2

How Accurate Are My Physics Homework Solutions?

  • tony873004
  • · Replies 6 ·
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6

Confusion on a subtraction problem

  • sportsguy3675
  • · Replies 2 ·
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2

Chapter Summary: Trigonometric Functions

  • Lucretius
  • · Replies 6 ·
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6

Solve Math Ellipse Question: Find Equation & Depth 2m from Edge

  • seiferseph
  • · Replies 6 ·
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6

Lab Report: Centripetal Force - Should I Round or Extend?

  • melchisio
  • · Replies 2 ·
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2

Local Linearization: Finding the Formula of a Graph

  • UrbanXrisis
  • · Replies 6 ·
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6

Inelastic collision of equal masses and velocities

  • Fanman22
  • · Replies 8 ·
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8

Converting Revolutions to Radians Per Second

  • hotmail590
  • · Replies 3 ·
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3

Schrodinger using a Hermite Polynomial

  • QuantumMech
  • · Replies 6 ·
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6

Evaluating the rate of increase of charge at x=2 yields a value of 16.

  • robert25pl
  • · Replies 11 ·
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11

How Much Charge Is on an Isolated Spherical Conductor?

  • XxXDanTheManXxX
  • · Replies 10 ·
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10

Calculating Buoyancy Force & Tension in Cable for 6m Spherical Chamber

  • Adam Y.
  • · Replies 6 ·
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6
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3

Measuring Internal Resistance of Zinc Carbon Cell: Tips & Tricks

  • StaceyParker
  • · Replies 3 ·
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3

Drag calculation and measurement

  • gschjetne
  • · Replies 1 ·
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1

What will be the relativistic change in momentum?

  • gulsen
  • · Replies 6 ·
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6

Understanding the Answer of 2sqrt(2)x - 2x = 2.5cm: 6.04cm

  • apchemstudent
  • · Replies 2 ·
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2

Proving No Positive Integer Solutions for 1/x^2 + 1/xy + 1/y^2 = 1

  • recon
  • · Replies 7 ·
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7

Newtonian Mechanics - Banked curves

  • SeReNiTy
  • · Replies 2 ·
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2

Calculating Speed After Collision in Railroad Freight Yard

  • evan4888
  • · Replies 2 ·
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2
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2

Air Pressure Equation for DIY Pressure Sensor

  • scabsareus
  • · Replies 4 ·
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4

Transfer Characteristic of a diode

  • shaiqbashir
  • · Replies 2 ·
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2

Electric Field Help: Solving Problems & Finding Answers

  • XxXDanTheManXxX
  • · Replies 3 ·
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3

Another Circular motion question

  • laker_gurl3
  • · Replies 6 ·
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6

Electric Field and Energy of Parallel Plate Capacitor

  • XxXDanTheManXxX
  • · Replies 5 ·
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5
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5

Solving Heat Transfer Puzzle: Cooling Steel from 452°C to 100°C

  • Yomna
  • · Replies 8 ·
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8

What Should the Index of Refraction Be for Zero Reflectivity at 532nm?

  • stunner5000pt
  • · Replies 6 ·
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6

How can you effectively approach writing a proof?

  • MiniTank
  • · Replies 2 ·
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2

Evaluate the following limit without using L'Hospital's rule?

  • Benny
  • · Replies 3 ·
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3

Problem with old and New angular speed help me please

  • coey
  • · Replies 2 ·
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2

Proof Derivatives of sec^2x: 2sec^3x*sinx

  • gordda
  • · Replies 6 ·
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6
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2

Optics - near sighted or far sighted

  • triplezero24
  • · Replies 2 ·
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2

Calculating Charges and Separation in an Electrostatic Force Problem

  • XxXDanTheManXxX
  • · Replies 2 ·
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2

Find the Minimum Height Needed to Complete a Loop-the-Loop Track

  • Punchlinegirl
  • · Replies 7 ·
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7

Understanding the Formula for Volume in Calculus: Explained and Analyzed

  • UrbanXrisis
  • · Replies 7 ·
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7

Circular motion of a satellitte

  • laker_gurl3
  • · Replies 6 ·
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6

Physics - Circular motion question me

  • laker_gurl3
  • · Replies 3 ·
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3

How Does Distance Affect EM Wave Energy and Field Magnitude?

  • leolaw
  • · Replies 2 ·
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2
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13

How Does Angular Speed Change When Skaters Connect by a Pole?

  • Punchlinegirl
  • · Replies 3 ·
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3

How Much Power Is Needed to Stop a Rotating Wheel?

  • BJN153
  • · Replies 2 ·
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2
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2

Explain Total Energy Problem: Kinetic & Gravitational Potential Energy

  • apchemstudent
  • · Replies 2 ·
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2

How can I set proper limits for a double integral?

  • mkkrnfoo85
  • · Replies 2 ·
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2

Drawing a NFSA with 6 States: Is it Possible?

  • flying2000
  • · Replies 8 ·
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8

Easy discrete probability problems

  • Townsend
  • · Replies 2 ·
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2

Conservation of Energy and Momentum of Particles

  • Fanman22
  • · Replies 2 ·
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2

Amount of power as a person climbs stairs

  • SnitchSeekaHarry
  • · Replies 3 ·
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3

Current vs. Induced Current: What's the Difference?

  • Soaring Crane
  • · Replies 5 ·
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5

Can We Observe the Bending of Light in Relativity?

  • Turkish
  • · Replies 3 ·
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3

Monkey and Hunter Theory: Mathematical Proofs

  • harhar
  • · Replies 2 ·
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2

How far does the 6 kg box slide down the incline in 0.6 seconds?

  • the_d
  • · Replies 10 ·
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10

Equation that represents the force?

  • danielschnarr
  • · Replies 13 ·
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13
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4

Integral is typical arctan type

  • UrbanXrisis
  • · Replies 10 ·
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10

Describe a circle as an ellipse?

  • aisha
  • · Replies 10 ·
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10

Comparing Magnetic Fields of Torus & Bolt: Which is Stronger?

  • swechan02
  • · Replies 2 ·
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2

Calculating Horizontal Displacement of Ballistic Pendulum

  • Fanman22
  • · Replies 9 ·
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9