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

Mechanics: Accleration as a function of position

  • jmcmillian
  • · Replies 1 ·
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1

Average pressure exerted on two equal pistons

  • lollol
  • · Replies 3 ·
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3

Final Charge on Lower Plate of Water-Dipped Capacitor

  • i_island0
  • · Replies 4 ·
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4

Calculating Acceleration of Gravity w/ Kinematics

  • jesuslovesu
  • · Replies 1 ·
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1

Variable Problem for 2D Kinematics

  • apoptosis
  • · Replies 4 ·
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4

Projectile Motion and maximum angle

  • blindside
  • · Replies 6 ·
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6

How Is the Normal Force Calculated on a Charged Object on Level Ground?

  • faustud.
  • · Replies 3 ·
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3

Block pulled at an angle: speed after 5.90 s

  • anastasiaw
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1
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4

Struggling with Particle Displacement Equation?

  • ax_xaein
  • · Replies 2 ·
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2

Probability density function of a pendulum displacement

  • venkatmn
  • · Replies 2 ·
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2

Electric Field between 2 Point Charges

  • Goldenwind
  • · Replies 1 ·
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1

Resistance of rectangular wire loop exiting magnetic field

  • rukawa0929
  • · Replies 4 ·
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4

Simple problem in Mechanics, weird differential equation

  • dujardin
  • · Replies 4 ·
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4

Magnitude of initial acceleration

  • sonastylol
  • · Replies 3 ·
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3

E-field at the center of a semicircle

  • pcandrepair
  • · Replies 17 ·
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17
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1

Torque change of a rod with unequal masses

  • Metalsonic75
  • · Replies 5 ·
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5

What Force is Needed on the Top Link for 5-Link Chain Acceleration?

  • NAkid
  • · Replies 2 ·
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2

How do forces act during a collision between a car and a large truck?

  • NAkid
  • · Replies 9 ·
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9

Finding Mass of Wooden Block Without Masing It

  • Riogho
  • · Replies 16 ·
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16

What Happens to Two Blocks After an Elastic Collision on a Slope?

  • DavidHarmon
  • · Replies 1 ·
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1

Electric Force, linear charge density

  • DFWDraco76
  • · Replies 3 ·
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3

Phase difference for two offset slits in double slit setup

  • dopher
  • · Replies 1 ·
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1

Force required to prevent something from moving on a slant

  • chemboy
  • · Replies 3 ·
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3

Finding path length L to phase shift two different wavelengths

  • opticaltempest
  • · Replies 8 ·
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8

How Do You Calculate the Time Ratio for Two Jumping Heights on a Trampoline?

  • ian_durrant
  • · Replies 4 ·
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4

Heat released from condensing steam

  • redfire67
  • · Replies 5 ·
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5

Latent Heat of Zinc Sublimation at 600K

  • thetruenash
  • · Replies 1 ·
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1

Magnitude of Single Displacement:

  • sonastylol
  • · Replies 4 ·
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4

Micro/macro collection between electrostatic

  • 743344
  • · Replies 3 ·
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3

How Do You Calculate the Moment of Inertia for Welded Disks?

  • jhwatts
  • · Replies 5 ·
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5

Net electrostatic force on charge between parallel plates

  • jh12
  • · Replies 5 ·
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5

Simplifying Equation With Square Root

  • kwikness
  • · Replies 3 ·
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3

How Do You Calculate Time and Distance in Free Fall Physics Problems?

  • Cathartics
  • · Replies 13 ·
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13

Solving for Depth, Velocity, and Initial Velocity in a Free Fall Challenge

  • Cathartics
  • · Replies 10 ·
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10

Solve Equilibrium Problem: 4 Men Carrying Beam, Calculate Forces

  • yasar1967
  • · Replies 2 ·
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2
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1

Displacement of a vector (Really simple)

  • AnkhUNC
  • · Replies 4 ·
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4

Initial speed for cannon projectile from 11.23m height

  • vanquish
  • · Replies 18 ·
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18

Calculating Capacitance for a Light-Bulb and Capacitor Circuit

  • A90
  • · Replies 4 ·
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4

Simple Conservation of Momentum Question

  • smashingtime
  • · Replies 9 ·
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9

Calculating Distance of a Falling Tuning Fork using the Doppler Effect

  • Potato-chan
  • · Replies 5 ·
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5

How to Determine a Grasshopper's Jump Speed and Cliff Height?

  • okiedokie07
  • · Replies 16 ·
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16

Electric Field due to Rectangular Sheet

  • teleport
  • · Replies 14 ·
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14
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8

Calculating Frequency of Hydrogen Light in a Moving Galaxy

  • _Mayday_
  • · Replies 1 ·
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1

Possible What is the angle between these two vectors?

  • sonastylol
  • · Replies 7 ·
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7

Can the tanker avoid hitting the reef with its engines back on?

  • ledhead86
  • · Replies 9 ·
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9

Projectile motion from 7 to 10 m height at 30°

  • Saladsamurai
  • · Replies 6 ·
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6

How Do I Calculate Normal Force for a Wooden Block?

  • vertciel
  • · Replies 1 ·
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1

Kinematics: Average Deceleration Underwater

  • RedBarchetta
  • · Replies 2 ·
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2

Negative rod to uncharged metal ball:

  • sonastylol
  • · Replies 6 ·
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6

How to Calculate Charge on a Balloon After Losing Electrons

  • sonastylol
  • · Replies 2 ·
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2

Point charge and a plane question

  • joker_900
  • · Replies 1 ·
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1

VERY simple Velocity vs time graph interpretation

  • seanistic
  • · Replies 14 ·
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14

Four charges at corners of a square and electrons canceling gravity

  • itzxmikee
  • · Replies 18 ·
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18
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6

A-Level Sensor Coursework: Measuring Sensitivity with Basic Equipment

  • SirAethelred
  • · Replies 3 ·
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3

Graphing the thin lens equation with measured di and do values

  • Larrytsai
  • · Replies 3 ·
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3

How to Find the Angle of a Jetliner's Turn?

  • torresmido
  • · Replies 4 ·
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4

Why is the E field at 1m zero inside a shell with distributed charge?

  • memow
  • · Replies 1 ·
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1

Calculate Free Energy for Formation

  • mrlucky0
  • · Replies 1 ·
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1

How many Earths would fit into the Sun?

  • torresmido
  • · Replies 1 ·
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1

How do you know if total internal reflection occurs?

  • Larrytsai
  • · Replies 2 ·
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2

What Is the Maximum Height a Rocket Will Reach After Engine Failure?

  • starchild75
  • · Replies 19 ·
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19

When to use total distance/total time vs. average of two velocities?

  • StephenDoty
  • · Replies 3 ·
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3

What would car racing physics entail?

  • greeenie
  • · Replies 2 ·
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2
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1
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2

Finding the direction on a second displacement

  • Imperator
  • · Replies 10 ·
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10

1989 Physics B Electro - Question #2.

  • GP_Skier
  • · Replies 1 ·
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1

Calculating Water Volume in a Cumulus Cloud

  • jav6454
  • · Replies 1 ·
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1

Electric Field Produced by a Ring

  • smithnh
  • · Replies 2 ·
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2

Angle between vectors (2,1,-4) and (-3,0,1)

  • Yahaira.Reyes
  • · Replies 7 ·
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7

Football related Projectile problem

  • Go Angels
  • · Replies 8 ·
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8

Solving Sound Waves Problem: Distance of Explosion from Ground Vibration

  • moronto
  • · Replies 2 ·
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2

Why is 2.01 the accepted value for a pendulum?

  • LadiesMan
  • · Replies 2 ·
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2

Potential difference in an electron

  • mathcrzy
  • · Replies 3 ·
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3

Velocity of Proton with 23.0 keV Kinetic Energy

  • mathcrzy
  • · Replies 3 ·
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3

Electric Field of a single charge vs 2 charges

  • Poop-Loops
  • · Replies 3 ·
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3

Calculating the electric field, multiple point charges

  • aliaze1
  • · Replies 10 ·
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10

How Do You Calculate the Electric Field in a Finite Charged Plate?

  • Rib5
  • · Replies 4 ·
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4

Kinetic, potential and mechanical energy question.

  • solarwind
  • · Replies 4 ·
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4

How Do You Calculate the Acceleration Due to Gravity on an Unknown Planet?

  • Melchior25
  • · Replies 1 ·
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1

Solving Cylinder Problem: Calculate Work Done in KJ

  • defineNormal
  • · Replies 4 ·
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4

Electric field due to two point charge

  • Alexis565
  • · Replies 8 ·
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8

Why doesn't the water levels equal each other in a U-shaped tube?

  • adam878787878
  • · Replies 6 ·
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6

Discus thrower angular and linear kinematics

  • someboy
  • · Replies 10 ·
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10

How Long Will It Take the Aimless Wanderer to Orbit Planet Mongo?

  • anthonym44
  • · Replies 1 ·
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1

What Is the Unit Vector in the Block's Momentum After a Kick?

  • rcm431
  • · Replies 1 ·
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1

How much work does an electric field do in moving a proton

  • mathcrzy
  • · Replies 2 ·
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2

Pressure wave amplitude from sound wave rarefaction

  • Brandi10
  • · Replies 1 ·
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1

How Do You Calculate Position, Velocity, and Speed from a Vector Function?

  • Go Angels
  • · Replies 6 ·
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6

How do I check if a force field is potential?

  • danilo_rj
  • · Replies 3 ·
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3

Gravitational Force (Earth and Sun)

  • jgens
  • · Replies 1 ·
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1

How do you study effectively for English class?

  • Larrytsai
  • · Replies 6 ·
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6

Solving Projectile Motion and Vectors Problems

  • Gebs-
  • · Replies 6 ·
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6

PV graph question (trying to determine the work)

  • adam878787878
  • · Replies 1 ·
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1

Sound Wave quesions (Grade 11 Physics)

  • pkevin91
  • · Replies 1 ·
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1