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

Evaluating a Double Integral: Finding the Volume of a Bounded Region

  • stunner5000pt
  • · Replies 3 ·
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3

How Do AC Circuit Reactances Compare to DC Resistances?

  • cAm
  • · Replies 11 ·
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11

Total internal reflection in triangular prism with n=2.56

  • GingerBread27
  • · Replies 2 ·
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2

Solving Spring Truck Problem 2: Compute Work, Speed, if Force is Conservative

  • TyFelmingham
  • · Replies 4 ·
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4

Calculating Swimmer's Distance and Time Across River Q

  • Naeem
  • · Replies 3 ·
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3

Thermodynamics Fun: Is Net Work = Change in Q for Brayton Cycle?

  • sportsrules
  • · Replies 2 ·
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2

What is the minimum mass m that will stick and not slip?

  • mugzieee
  • · Replies 2 ·
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2

Ted Williams' Home Run at the Skydome

  • Naeem
  • · Replies 3 ·
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3

Transformer turns ratio and voltage/current calculations

  • Prototype
  • · Replies 2 ·
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2
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2

Bolt falls off rocket, find rocket acceleration

  • stangeroo
  • · Replies 3 ·
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3

Triple Integrals: Solving G Bounded by x, 2-x, and y^2

  • stunner5000pt
  • · Replies 2 ·
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2

Program for absolute value graphs

  • aek
  • · Replies 2 ·
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2

How Many Ways to Get Three of a Kind in a Four-Card Hand?

  • blue_soda025
  • · Replies 2 ·
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2

Setting up triple integrals with region bounds

  • stunner5000pt
  • · Replies 7 ·
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7

How Can Car C Gain on Car D Despite Both Accelerating?

  • jhson114
  • · Replies 2 ·
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2

Calculating Potential Height of Kinetic Energy Jump

  • Linco
  • · Replies 14 ·
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14

Chemical Tests for Identifying Sodium Carbonate and Sodium Chloride

  • maccaman
  • · Replies 4 ·
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4

Induced EMF in moving square loop with Faraday's law

  • robert25pl
  • · Replies 6 ·
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6

How Does Spring Compression Vary with Different Methods of Loading?

  • phazei
  • · Replies 5 ·
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5

How does weight change in an accelerating elevator?

  • yeshli2nuts
  • · Replies 6 ·
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6

Light ray at 45° through equilateral prism with n=1.5

  • iamnotbatman
  • · Replies 2 ·
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2

Solving Refrigerator Problem: Calculating COP and Work

  • sportsrules
  • · Replies 3 ·
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3

Relatively simple friction problem

  • flower76
  • · Replies 2 ·
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2
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8

How Does Projectile Motion Affect a Ball Thrown from a Cliff?

  • Naeem
  • · Replies 2 ·
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2

Angular frequency - how is it derived?

  • UrbanXrisis
  • · Replies 7 ·
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7

Power series for ln(1+x) and x*ln(1+x)

  • tandoorichicken
  • · Replies 2 ·
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2

Average force on baseball bat hitting 120 mph fastball

  • Azytzeen
  • · Replies 8 ·
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8

Calculating Time of Flight for Ball Thrown at 45° with Initial Speed 31 m/s

  • unfortunate
  • · Replies 16 ·
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16

Conceptualizing two tangent lines to an ellipse

  • ktpr2
  • · Replies 14 ·
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14

Why can't adenine and cytosine pairs form?

  • joejo
  • · Replies 6 ·
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6

Man walking on frictionless sledge toward shore

  • ColdFusion85
  • · Replies 3 ·
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3

Can an Adiabatic Process be Isothermal?

  • flythisforme
  • · Replies 5 ·
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5

Sum to infinity of x^n/(n(n+1))

  • crazedbeat
  • · Replies 27 ·
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27
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4

How Fast Do Entwined Movie Foes Slide After a Stuntman Swings?

  • janiexo
  • · Replies 3 ·
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3

Transitional state of electrons.

  • airkapp
  • · Replies 2 ·
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2

Electric flux through a square surface at 35° to the field

  • Rave Grrl
  • · Replies 5 ·
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5

Solving Two-Pendulum Collision: Find Max Angle

  • ProBasket
  • · Replies 2 ·
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2

Frog and Horse Trough Questions

  • imnotsmart
  • · Replies 9 ·
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9

Solving simultaneous equations with logarithms

  • roger
  • · Replies 7 ·
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7

Checking net ionic equations for Cr, Al, and Zn reactions

  • joejo
  • · Replies 15 ·
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15
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19

Integrating z over a tetrahedron bounded by x+y+z=1

  • Alem2000
  • · Replies 2 ·
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2

Evaluate Surface Integral: Solve x^2 + z^2 = 9, x=0, y=0, z=0 and y=8

  • Hoofbeat
  • · Replies 2 ·
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2
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2

What is the emf induced in the loop?

  • BillytheKid
  • · Replies 2 ·
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2

Why is apparent weight less than true weight at the equator?

  • naren11
  • · Replies 12 ·
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12

Find the terminal speed of a 750-kg rocket

  • ProBasket
  • · Replies 3 ·
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3

Finding the more massive block's mass in an Atwood machine

  • WY
  • · Replies 9 ·
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9

Calculating Angular Acceleration for a Solid Cylinder on a Frictionless Bearing

  • Punchlinegirl
  • · Replies 9 ·
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9

Physics of Catapults: Seeking Advice

  • Angelica
  • · Replies 3 ·
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3

Convergence tests for series with restricted digits and nested radicals

  • matrix_204
  • · Replies 2 ·
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2

Sample optics exam with solutions for thin lenses and diffraction

  • Physicsme
  • · Replies 2 ·
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2

Tracking the Ball's Motion After a Throw at Ground Level

  • Naeem
  • · Replies 5 ·
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5

Calculating Wavelength and Intensity in Opposing Phase Vibrations

  • SwAnK
  • · Replies 2 ·
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2

Integration by parts with x³e^x² and xe^x/(x+1)²

  • mad
  • · Replies 5 ·
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5

Check my algebra homework answers

  • dagg3r
  • · Replies 2 ·
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2

Solving for Electric Field with Gauss' Law

  • robert25pl
  • · Replies 4 ·
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4

How Is Work Calculated When Lifting an Object with a Tension Force?

  • NoHeart
  • · Replies 2 ·
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2

Why am I getting probability greater than 1 for rolling a 4 twice?

  • huan.conchito
  • · Replies 2 ·
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2

Integration of X^2 exp(-aX^2) from 0 to infinity

  • Rachael_Victoria
  • · Replies 4 ·
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4

Angular acceleration of a pulley

  • cosmokramer
  • · Replies 3 ·
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3

Calculating Power Output: A Homemade Ice Cream Maker

  • shawonna23
  • · Replies 2 ·
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2
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2

Determine divergence/convergence of an integral?

  • crazedbeat
  • · Replies 6 ·
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6

How Fast Will the Spacecraft Crash into the Lunar Surface?

  • bmoran08
  • · Replies 2 ·
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2

Calc. Double Integrals: Setting Limits

  • mkkrnfoo85
  • · Replies 2 ·
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2

Force components on a rolling sphere at the top of a loop

  • kambrian
  • · Replies 3 ·
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3

Finding P(B) using complement and union rules

  • huan.conchito
  • · Replies 3 ·
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3

What Spring Constant Fires a 10g Mass to 100m When Compressed to 10cm?

  • NoHeart
  • · Replies 13 ·
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13

Two skaters pushed apart by spring: find Al's mass

  • shawonna23
  • · Replies 3 ·
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3

Solving dy/dx = (4y - 3x)/(2x - y) and verifying the solution

  • DivGradCurl
  • · Replies 9 ·
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9

How do I find the satellite's altitude above the earth's surface

  • bmoran08
  • · Replies 2 ·
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2

Finding the Scalar for a Vector in a Linear Combination

  • shan
  • · Replies 9 ·
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9

Problems concerning magnetic fields, induced current, emf

  • Prototype
  • · Replies 2 ·
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2

Conservation of momentum - Collision of pool balls

  • crazedbeat
  • · Replies 5 ·
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5

Direction of magnetic force on moving charged particle using cross product

  • Soaring Crane
  • · Replies 2 ·
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2

Calculus II Problem: Dams and intergration by slicing

  • JasonJo
  • · Replies 3 ·
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3

Calculating Boat Speed with Rainfall Accumulation

  • ProBasket
  • · Replies 10 ·
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10

Show Global Min. of f(x,y): x>= 0.1, y>= 0.1

  • ArnfinnS
  • · Replies 1 ·
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1

Where Can I Find Extra Calculus Practice Questions Online?

  • laker_gurl3
  • · Replies 2 ·
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2

Calculating Heat Requirements for Phase Changes

  • momtonate
  • · Replies 2 ·
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2

Understanding Maxwell's Equations

  • robert25pl
  • · Replies 12 ·
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12

Thermodynamics Block of Copper Problem

  • flythisforme
  • · Replies 6 ·
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6

Does the Series Converge Pointwise and Uniformly for Certain Values of x?

  • quasar987
  • · Replies 2 ·
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2
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2

Question on induced emf in a loop

  • Giuseppe
  • · Replies 4 ·
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4

Lim -> inf, x(sin(1/x)) = 1, why?

  • ktpr2
  • · Replies 26 ·
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26

How Do You Determine the Direction of Oscillation in Differential Equations?

  • stunner5000pt
  • · Replies 2 ·
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2

Recent astronomy telescope diagram

  • Mafer
  • · Replies 2 ·
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2
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2

Find a vector c that bisects the angle

  • particleaccelerater
  • · Replies 18 ·
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18

Can velocity components be determined from force in magnetic fields?

  • Soaring Crane
  • · Replies 2 ·
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2

Projectile motion particle question

  • misogynisticfeminist
  • · Replies 2 ·
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2

What is the new force between two charges after they touch?

  • six789
  • · Replies 14 ·
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14

Solving Question: Speed of Ball with Rigid Cannon

  • srhly
  • · Replies 3 ·
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3

What do the notations in NMR spectral data mean?

  • VDX
  • · Replies 2 ·
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2