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

Solve Friction on Incline: 3.00kg Crate, 35.0°, 9.80m/s2

  • jstiel
  • · Replies 2 ·
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2

Circular motion - velocity of carts on a rollercoaster

  • klaw25
  • · Replies 1 ·
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1

Earth-Moon Center Line of Gravity

  • uno
  • · Replies 1 ·
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1

Conservation of energy with spring

  • fanie1031
  • · Replies 1 ·
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1

How Far Up the Incline Does the Object Travel Before Sliding Back Down?

  • vrobins1
  • · Replies 1 ·
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1

Momentum in Collisions: Solving for Velocity and Kinetic Energy Conversion

  • ~*Noor*~
  • · Replies 3 ·
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3

Insulating Spheres in Electric Fields

  • faceoclock
  • · Replies 2 ·
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2

How Do You Draw an Equivalent System for a Given Moment?

  • Oblivion77
  • · Replies 7 ·
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7

Mass on Inclined Plane with Friction

  • r34racer01
  • · Replies 7 ·
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7

Finding car velocity on an incline with constant engine power

  • bopll
  • · Replies 4 ·
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4

Escape Speed from Planets with Different Radii

  • vrobins1
  • · Replies 3 ·
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3

What Happens to the Normal Force When the Applied Force is Removed?

  • Sinusoidal
  • · Replies 1 ·
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1

How Do You Calculate the Tension in a Rope Holding a Suspended Box at an Angle?

  • fishingspree2
  • · Replies 1 ·
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1
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2

Arrow Trajectory: 29° and 50 m/s

  • bam3211
  • · Replies 1 ·
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1

X and Y - components of a force

  • Godblessyou
  • · Replies 1 ·
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1

Projectile Problem - Arrow and Target

  • thaixicedxtea
  • · Replies 8 ·
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8

Question regarding vertical velocity

  • slu1986
  • · Replies 3 ·
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3

Calculating Average Power for 1170 kg Car

  • kmikias
  • · Replies 1 ·
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1

Maximum speed on conservative forces problem

  • fanie1031
  • · Replies 5 ·
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5

Spring stretches to what ruler mark when 2.0 kg mass is attached

  • 12boone
  • · Replies 4 ·
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4

Plane blown off course by southwest wind after 10 minutes

  • Faint
  • · Replies 1 ·
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1

Circular Motion- Find the Velocity with tension, the radius, and the mass

  • Phoenixtears
  • · Replies 2 ·
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2

Coefficient of Friction needed to move a car

  • seaway115
  • · Replies 2 ·
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2

What Is the Ball's Angular Velocity in a Conical Pendulum?

  • charan1
  • · Replies 2 ·
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2

Linear Momentum Pellet Gun Problem

  • maniacp08
  • · Replies 6 ·
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6

Defibrillator and electric field lines

  • Kathi201
  • · Replies 3 ·
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3

Inclined Plane Problem Two Parts

  • sugarntwiligh
  • · Replies 4 ·
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4

Spring pulling block on floor: finding acceleration at maximum stretch

  • CaptainSFS
  • · Replies 13 ·
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13

How Long Does a Satellite Take to Orbit Earth at 325 km Altitude?

  • Klee91
  • · Replies 1 ·
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1

Calculate Force Exerted by Wood on Bullet

  • PhysicslyDSBL
  • · Replies 4 ·
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4

How Do You Calculate Time and Distance for Deceleration in Physics?

  • Mobz
  • · Replies 1 ·
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1

Net Force of 3 Forces (Equilibrium)

  • helpneeded02
  • · Replies 7 ·
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7

Question on Newton second's law

  • UNknown 2010
  • · Replies 8 ·
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8

What Is the Tension in Two Ropes at Angles?

  • Darunia9
  • · Replies 10 ·
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10

Equivalence principle and Helium balloon.

  • KiyoEtAlice
  • · Replies 8 ·
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8

Is the Chain Adequate for the Amusement Park Ride?

  • charan1
  • · Replies 6 ·
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6

How Do You Solve Tension and Acceleration in a Two-Pulley System?

  • astronomerc
  • · Replies 3 ·
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3

Calculating tension in each of 3 strings

  • mathsgeek
  • · Replies 10 ·
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10

Two bodies connected by spring with constant force applied

  • fluidistic
  • · Replies 5 ·
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5

Finding both resonance frequencies for driven spring system

  • Doc Z
  • · Replies 3 ·
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3

Particle Position: Understanding its Significance and Calculation

  • ch2kb0x
  • · Replies 4 ·
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4

How Does Friction Affect the Motion of a Mass Colliding with a Spring?

  • Loupster
  • · Replies 5 ·
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5

Frictional force on a 30° slope and tension from two tugboats

  • Tibaloca
  • · Replies 1 ·
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1

Calculating Speed of Ball After Racket Strike

  • Kickbladesama
  • · Replies 2 ·
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2

Displacement, Time, and Average Velocity

  • Im_confused
  • · Replies 5 ·
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5

Indicating negative direction on a velocity-time graph

  • DarylMBCP
  • · Replies 9 ·
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9

Crate being pushed varying force

  • the.flea
  • · Replies 17 ·
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17

Resonance/Harmonic frequencies in open/closed pipes

  • Doc Z
  • · Replies 1 ·
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1

How do I make a Fnet vs time graph from position and velocity data?

  • PhysicsNYA
  • · Replies 5 ·
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5

Will the cart make it through the sand pile and at what speed will it exit?

  • jessedevin
  • · Replies 4 ·
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4

Period of a rotating mass held by two strings

  • limekiwi
  • · Replies 1 ·
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1

Kinetic energy of baseball at highest point of throw

  • redhot209
  • · Replies 7 ·
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7

What is the mass of the second child on a seesaw?

  • jessica.so
  • · Replies 2 ·
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2

What Forces Act on a Car at Constant Speed and While Decelerating?

  • 05holtel
  • · Replies 3 ·
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3

Trouble applying the concept of momentum conservation

  • vineroon
  • · Replies 3 ·
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3

Kinetic energy- pushing an object up an incline.

  • bopll
  • · Replies 7 ·
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7

Coefficient of maximum static friction

  • xmflea
  • · Replies 11 ·
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11

Fly flying between two cyclists moving toward each other

  • Raed
  • · Replies 1 ·
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1

Coefficient of Static Friction (inclined)

  • Gray14
  • · Replies 3 ·
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3

Why Does Teardrop Shape Matter in Roller Coaster Loop Design?

  • brooke89
  • · Replies 1 ·
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1

Calculating Maximum Static Friction: A Physics Lab Experiment

  • xmflea
  • · Replies 3 ·
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3

Work done by variable force from acceleration graph

  • musicfairy
  • · Replies 1 ·
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1

Different way to solve projectile motion components?

  • wortman
  • · Replies 5 ·
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5
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4

Take Home Test (Solved, but Checking Answers) From AP Physics B (Dynamics)

  • trageserk
  • · Replies 7 ·
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7

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

  • -EquinoX-
  • · Replies 1 ·
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1
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1

Finding acceleration from distance and time with constant acceleration

  • JanineSamson
  • · Replies 4 ·
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4

Calculating Charged Particles Transferred -15nC to -10nC

  • Foxhound101
  • · Replies 2 ·
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2

Dynamic Equilibrium Question (block sliding on wall)

  • JJBladester
  • · Replies 2 ·
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2

What is the speed of the second stage after separation?

  • MightyMan11
  • · Replies 4 ·
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4

Force diagram, tension on a rope

  • fishingspree2
  • · Replies 1 ·
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1

What Is the Normal Force in Physics Problems?

  • cmwestbr
  • · Replies 8 ·
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8

How Is the First Law of Thermodynamics Applied in Everyday Life?

  • yoyoyeoh90
  • · Replies 1 ·
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1

How Do You Calculate Tension in a Rope Pulling Gliders?

  • bobber205
  • · Replies 1 ·
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1

Hill walker average velocity with westbound and eastbound legs

  • eatingblaa
  • · Replies 1 ·
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1

Solve Collision Question: Will Sue's Car Hit the Van?

  • physics_geek
  • · Replies 1 ·
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1

Projectile Range Symmetry Proof

  • peasant242
  • · Replies 3 ·
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3

Cannon tilted at 40° fires projectile with recoil

  • CaptainSFS
  • · Replies 5 ·
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5

How to Find Equilibrium in a Pulley System with Multiple Forces

  • -EquinoX-
  • · Replies 8 ·
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8

Double pulley system with constraint between m1 and m2 accelerations

  • jessedevin
  • · Replies 19 ·
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19

Non-Conservative Work systems coupled with friction.

  • drewmacq
  • · Replies 2 ·
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2

Calculating Speed on a 10m High Slope with a Starting Speed of 5.0 m/s

  • ghad58@yahoo.
  • · Replies 4 ·
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4

How Is Work Calculated for a Falling Space Vehicle in Gravity?

  • Symstar
  • · Replies 1 ·
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1

Who Was Ahead at the 6-Second Mark in the 100m Race?

  • physics_geek
  • · Replies 8 ·
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8

How Do You Calculate Acceleration and Tension in a Two-Mass Pulley System?

  • Sagekilla
  • · Replies 3 ·
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3

Calculating Jet Engine Thrust: How to Use Newton's Second Law

  • chrishere?
  • · Replies 2 ·
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2

Forces on a conical pendulum string tension

  • soupastupid
  • · Replies 1 ·
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1

Hydrogen Burning and the Suns Nuclear Fusion

  • Thoth
  • · Replies 8 ·
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8

Calculate Frictional Force for 800N Force on 100kg Block

  • emilyn
  • · Replies 1 ·
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1

How Do You Calculate Charge on Capacitors in a Circuit?

  • ma3088
  • · Replies 1 ·
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1

Car acceleration over distance with constant acceleration kinematics

  • amd123
  • · Replies 7 ·
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7

Normal force on car and driver crossing rounded hilltop

  • Sagekilla
  • · Replies 1 ·
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1

Opent top freight train with coal

  • 12boone
  • · Replies 1 ·
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1

2-D Collion question involving a cue ball and a numbered ball.

  • meeklobraca
  • · Replies 11 ·
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11

What is the force exerted on a stick by a bowling ball on a rough surface?

  • proace360
  • · Replies 3 ·
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3

What is the Force F in 2D Forces Equilibrium with Blocks A and B?

  • Melawrghk
  • · Replies 11 ·
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11

A window washer: tension problem

  • DakE_FeatH
  • · Replies 3 ·
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3

Finding Weightless Point on Earth-Moon Center Line - 6.67E^-11

  • uno
  • · Replies 3 ·
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3