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

Why pizza chefs use “pizza cutters” to slice pies into sections

  • phys62
  • · Replies 2 ·
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2

Finding the velocity of sound in a tube.

  • minute34
  • · Replies 1 ·
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1

How Do You Calculate Initial Speed and Acceleration of a Slowing Truck?

  • physics_geek
  • · Replies 10 ·
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10

How does a charged particle behave in an electric field?

  • Precursor
  • · Replies 2 ·
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2

Tarzan vine Conservation of Energy

  • bmarvs04
  • · Replies 2 ·
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2

How far is the center of mass from the handle end of the club-axe?

  • bkhofmann
  • · Replies 9 ·
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9

Caclulating Acceleration /w Coefficent

  • vll.toxos
  • · Replies 2 ·
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2

Ball Drop Question: How High Will It Go?

  • llee8820
  • · Replies 5 ·
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5

What is the Radial Acceleration of a Painting at 38.9° North?

  • trainumc
  • · Replies 4 ·
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4

The electric field at a midpoint of two charges

  • marrone
  • · Replies 3 ·
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3

Pulley system with a weight's acceleration of g/5

  • DocZaius
  • · Replies 6 ·
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6

Maximum Distance Traveled of a Block on an Inclined Plane

  • Sligh
  • · Replies 6 ·
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6

Determine the work done to move the particle

  • Bones
  • · Replies 2 ·
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2

Is Terminal Velocity Linear or Curved for Varying Weights?

  • doctorjanitor
  • · Replies 6 ·
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6

Calculating parabolic equations for a trajectory project.

  • Andrew Neal
  • · Replies 1 ·
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1

How Do You Calculate Projectile Motion in Physics?

  • Smarties07
  • · Replies 1 ·
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1

Retarding Force and Velocity of a Sliding Rock

  • carlee172
  • · Replies 4 ·
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4

Motion in a Vertical Circle (Pendulum)

  • cturtle
  • · Replies 1 ·
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1

Probability in the Stern Gerlach

  • ZoroP
  • · Replies 2 ·
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2

Newtons applied to a constant velocity

  • JohnnyB212
  • · Replies 1 ·
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1

Relativistic velocity addition for perpendicular beacon at 0.45c and 0.65c

  • m00npirate
  • · Replies 7 ·
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7

How to solve planet orbital question

  • HelloMotto
  • · Replies 3 ·
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3

Roller coaster and Potential Energy

  • scurry18
  • · Replies 10 ·
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10

Static and kinetic friction on an incline

  • a18c18
  • · Replies 3 ·
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3

Solving Vectors Problem: 4 People Pulling on Rope at Square Corners

  • myoplex11
  • · Replies 1 ·
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1

Object falls from the OUTSIDE of a loop

  • gorockscards
  • · Replies 2 ·
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2

Super ball Acceleration question

  • physics_geek
  • · Replies 5 ·
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5

Finding initial drop height when final 30 m takes 1.50 s

  • katia11
  • · Replies 3 ·
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3

Rotational Motion (should be easy-need quick tip)

  • mistymoon_38
  • · Replies 2 ·
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2

Block on Spring without Friction and speed

  • Lanc1988
  • · Replies 8 ·
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8

Finding Accerleration on a slope with friction

  • fallen186
  • · Replies 1 ·
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1
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1
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3

Designing a Curved Highway Exit Ramp

  • BuBbLeS01
  • · Replies 7 ·
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7
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1

How High and At What Angle Should Person B Shoot to Hit Person A?

  • gen.nutville
  • · Replies 1 ·
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1
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1

Relative Motion Question (PHYSICS 20)

  • whitsstar
  • · Replies 1 ·
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1

Potential/Kinetic Energy Again.

  • omgitsmonica
  • · Replies 1 ·
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1

Block on 22° slope and sock in rotating drum

  • Grogerian
  • · Replies 1 ·
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1

How Much Kinetic Energy Does a Ball Gain When Air Resistance Is Considered?

  • omgitsmonica
  • · Replies 2 ·
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2

Thermal equilibrium (thermodynamics)

  • YuUZoe
  • · Replies 1 ·
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1

Calculate the magnitude of the average net force on the car

  • Chrisleo13
  • · Replies 2 ·
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2

Contact force between boxes when 9 N pushes three boxes

  • BugsSport
  • · Replies 2 ·
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2

Mechanical energy equation analysis

  • tippetmaster
  • · Replies 10 ·
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10

Calculating Takeoff Speed for Jumbo Jet: m/s^2

  • ghoff36
  • · Replies 3 ·
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3

How Do You Calculate Mass and Friction in a Two-Block System?

  • a18c18
  • · Replies 5 ·
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5

How Do You Calculate Initial Speed in an Inelastic Collision?

  • pstfleur
  • · Replies 1 ·
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1

How to Calculate Constant Acceleration and Distance?

  • Masq
  • · Replies 1 ·
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1
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1

Time Spent in Top and Bottom 25 cm of Basketball Player's Jump?

  • ghoff36
  • · Replies 3 ·
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3

Forces with friction- How fard does the sled travel?

  • sour punch
  • · Replies 2 ·
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2

Tension on a Vertical Circle- Conceptual Question

  • kmridgeway
  • · Replies 2 ·
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2

Initial acceleration of a stone stuck in a car tire groove

  • musicfairy
  • · Replies 1 ·
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1

Why Does Pulling at an Angle Affect the Normal Force on a Box?

  • keemosabi
  • · Replies 1 ·
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1
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1

Elastic collision between equal-mass hockey pucks, one at rest

  • nsaZn23
  • · Replies 5 ·
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5

Work done by gravity on falling object

  • Serik
  • · Replies 2 ·
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2

Frequency vs response Curve of a microphone

  • sanado
  • · Replies 1 ·
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1

Motion of blocks with kinetic friction

  • tmacarel
  • · Replies 2 ·
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2

Simple Work and Energy question

  • pinkerpikachu
  • · Replies 1 ·
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1
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6

Car stopping distance with reaction time and braking

  • jackleyt
  • · Replies 1 ·
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1

Finding rope tension for bucket accelerating upward

  • Maiia
  • · Replies 9 ·
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9

How can you determine the normal force?

  • davidelete
  • · Replies 4 ·
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4
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1
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1

Solve (d1 + d2) . (d1 x 4d2): Unit Vector Question

  • Shatzkinator
  • · Replies 1 ·
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1

Component of vector B parallel to vector A

  • RWirth91
  • · Replies 2 ·
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2

Friction on Inclines: Find Distance Box Travels Before Stopping

  • keemosabi
  • · Replies 1 ·
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1

Capacitors in paralell disconnected then connected to each other

  • Staple Gun
  • · Replies 6 ·
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6

Kinetic/Thermal Energy Problem

  • maniacp08
  • · Replies 6 ·
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6

Calculating Charge Stored on Parallel Plates with Non-Conducting Water

  • Tekmachine
  • · Replies 2 ·
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2

Work Problem, opposing forces (no friction)

  • Bones
  • · Replies 1 ·
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1

Minimum incident angle for ray to exit a prism

  • sethie2000
  • · Replies 2 ·
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2

Photoelectric effect and kinetic energy

  • tony873004
  • · Replies 4 ·
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4

Two Hanging mass's attached to one on the table

  • charan1
  • · Replies 1 ·
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1

Static system + a second long distance force

  • imzkris
  • · Replies 3 ·
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3

Frictional Forces in Stacked Blocks: A FBD Approach

  • phil ess
  • · Replies 5 ·
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5

What Is the Required Launch Angle to Clear a Wall in Projectile Motion?

  • ScullyX51
  • · Replies 1 ·
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1

Mass on incline will it slip or stick?

  • charan1
  • · Replies 1 ·
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1

Problem-Solving: Calculating Forces on Moving Objects [4 Examples]

  • momina4468
  • · Replies 1 ·
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1

Physics hot air balloon problem

  • jodo658
  • · Replies 2 ·
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2

Is There a Geometric Link Between the Ratios in Eratosthenes' Experiment?

  • NateTheGreat
  • · Replies 3 ·
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3

Calculating Force Needed to Stop Piano on 27° Incline

  • Bones
  • · Replies 2 ·
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2

Calculating Average Force: 0.110 kg Baseball Strikes Catcher's Mitt

  • JohnnyB212
  • · Replies 3 ·
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3

Electric Field in a Wire (Concepts)

  • Staple Gun
  • · Replies 2 ·
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2

How Does Relative Motion Affect Perceived Velocity?

  • wallace13
  • · Replies 1 ·
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1

Calculating Water Speed in a River Rapids

  • dislike
  • · Replies 3 ·
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3

How to find Speed and Direction

  • zuber
  • · Replies 1 ·
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1

How Does a Climbing Man Affect the Center of Mass in a Pulley System?

  • ritwik06
  • · Replies 1 ·
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1

How Fast Does Your Suitcase Travel on a Baggage Carousel?

  • rcrx
  • · Replies 1 ·
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1
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1

Why friend's method for minimum time with stacked blocks fails

  • JoeTrumpet
  • · Replies 1 ·
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1

Would the bus in Speed roll when cornering at 81 kph?

  • chris123
  • · Replies 6 ·
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6

Coefficient of friction between the block and the ramp

  • myk127
  • · Replies 3 ·
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3

How Long Does It Take the Second Satellite to Orbit Jupiter?

  • trainumc
  • · Replies 3 ·
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3

What Is the Best Angle for Maximum Projectile Motion?

  • Gustason
  • · Replies 1 ·
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1

How Is Work Calculated on a Block Sliding Down a Frictionless Incline?

  • maniacp08
  • · Replies 8 ·
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8
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1