Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
How Far Up the Incline Does the Object Travel Before Sliding Back Down?
  • vrobins1
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3K
Momentum in Collisions: Solving for Velocity and Kinetic Energy Conversion
  • ~*Noor*~
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Insulating Spheres in Electric Fields
  • faceoclock
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6K
How Do You Draw an Equivalent System for a Given Moment?
  • Oblivion77
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Mass on Inclined Plane with Friction
  • r34racer01
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Using power to find velocity (a car meets a hill)
  • bopll
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Escape Speed from Planets with Different Radii
  • vrobins1
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What Happens to the Normal Force When the Applied Force is Removed?
  • Sinusoidal
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How Do You Calculate the Tension in a Rope Holding a Suspended Box at an Angle?
  • fishingspree2
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How Does Conservation of Energy Determine Initial Speed in Projectile Motion?
  • maniacp08
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Arrow Trajectory: 29° and 50 m/s
  • bam3211
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X and Y - components of a force
  • Godblessyou
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Projectile Problem - Arrow and Target
  • thaixicedxtea
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Question regarding vertical velocity
  • slu1986
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Calculating Average Power for 1170 kg Car
  • kmikias
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8K
Maximum speed on conservative forces problem
  • fanie1031
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4K
Solve Stretched Spring Homework: Find End of Spring on Ruler
  • 12boone
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4
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6K
Calculating Relative Velocity: Plane and Wind Speeds | Homework Help
  • Faint
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6K
Circular Motion- Find the Velocity with tension, the radius, and the mass
  • Phoenixtears
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2
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27K
Coefficient of Friction needed to move a car
  • seaway115
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2
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8K
What Is the Ball's Angular Velocity in a Conical Pendulum?
  • charan1
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2
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19K
Linear Momentum Pellet Gun Problem
  • maniacp08
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6
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6K
Defibrillator and electric field lines
  • Kathi201
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3
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3K
Inclined Plane Problem Two Parts
  • sugarntwiligh
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4
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Work & Energy (Spring and moving mass)
  • CaptainSFS
  • · Replies 13 ·
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13
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4K
How Long Does a Satellite Take to Orbit Earth at 325 km Altitude?
  • Klee91
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1
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2K
Calculate Force Exerted by Wood on Bullet
  • PhysicslyDSBL
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4
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6K
How Do You Calculate Time and Distance for Deceleration in Physics?
  • Mobz
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1
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4K
Net Force of 3 Forces (Equilibrium)
  • helpneeded02
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7
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17K
Question on Newton second's law
  • UNknown 2010
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8
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2K
What Is the Tension in Two Ropes at Angles?
  • Darunia9
  • · Replies 10 ·
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10
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16K
Equivalence principle and Helium balloon.
  • KiyoEtAlice
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8
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2K
Is the Chain Adequate for the Amusement Park Ride?
  • charan1
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6
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7K
How Do You Solve Tension and Acceleration in a Two-Pulley System?
  • astronomerc
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3
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6K
Calculating tension in each of 3 strings
  • mathsgeek
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10
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3K
Problem: two bodies linked via a spring
  • fluidistic
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5
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5K
Simple question regarding higher frequency vs lower frequency
  • Doc Z
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3
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7K
Particle Position: Understanding its Significance and Calculation
  • ch2kb0x
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4
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2K
How Does Friction Affect the Motion of a Mass Colliding with a Spring?
  • Loupster
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5K
Physics Homework Help: Calculating Frictional Force and Tension on a Slope
  • Tibaloca
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1
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2K
Calculating Speed of Ball After Racket Strike
  • Kickbladesama
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2
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8K
Displacement, Time, and Average Velocity
  • Im_confused
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Indicating negative direction on a velocity-time graph
  • DarylMBCP
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Crate being pushed varying force
  • the.flea
  • · Replies 17 ·
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17
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8K
Resonance/Harmonic frequencies in open/closed pipes
  • Doc Z
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1
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19K
Fnet vs a GRAPH? Learn How to Do It Here
  • PhysicsNYA
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5
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Will the cart make it through the sand pile and at what speed will it exit?
  • jessedevin
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7K
Period of a rotating mass held by two strings
  • limekiwi
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Calculate Kinetic Energy of a Thrown Baseball | Outfield Problem | Homework Help
  • redhot209
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What is the mass of the second child on a seesaw?
  • jessica.so
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What Forces Act on a Car at Constant Speed and While Decelerating?
  • 05holtel
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Trouble applying the concept of momentum conservation
  • vineroon
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Kinetic energy- pushing an object up an incline.
  • bopll
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Coefficient of maximum static friction
  • xmflea
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Solving Mechanics Questions: Cyclists A & B, Fly
  • Raed
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Coefficient of Static Friction (inclined)
  • Gray14
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Why Does Teardrop Shape Matter in Roller Coaster Loop Design?
  • brooke89
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Calculating Maximum Static Friction: A Physics Lab Experiment
  • xmflea
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Work Done by a General Variable Force
  • musicfairy
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Different way to solve projectile motion components?
  • wortman
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How to Calculate Work, Kinetic Energy, and Tension in a Block-Cart-Pulley System
  • Awwnutz
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Take Home Test (Solved, but Checking Answers) From AP Physics B (Dynamics)
  • trageserk
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How Do You Calculate Friction Force in a Two-Mass System?
  • -EquinoX-
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2K
How Do You Relate Fitted Curve to Mean, Standard Deviation, and Standard Error?
  • coffeem
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Acceleration from Time & Distance.
  • JanineSamson
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Calculating Charged Particles Transferred -15nC to -10nC
  • Foxhound101
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21K
Dynamic Equilibrium Question (block sliding on wall)
  • JJBladester
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What is the speed of the second stage after separation?
  • MightyMan11
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9K
Force diagram, tension on a rope
  • fishingspree2
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What Is the Normal Force in Physics Problems?
  • cmwestbr
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How Is the First Law of Thermodynamics Applied in Everyday Life?
  • yoyoyeoh90
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2K
How Do You Calculate Tension in a Rope Pulling Gliders?
  • bobber205
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Question about Average Velocities, vectors, kinematics
  • eatingblaa
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Solve Collision Question: Will Sue's Car Hit the Van?
  • physics_geek
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Projectile Range Symmetry Proof
  • peasant242
  • · Replies 3 ·
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Momentum (Cannon fires at angle & recoils)
  • CaptainSFS
  • · Replies 5 ·
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How to Find Equilibrium in a Pulley System with Multiple Forces
  • -EquinoX-
  • · Replies 8 ·
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8
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Double Pulley Problem: Relations Between Masses and Accelerations
  • jessedevin
  • · Replies 19 ·
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22K
Non-Conservative Work systems coupled with friction.
  • drewmacq
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5K
Calculating Speed on a 10m High Slope with a Starting Speed of 5.0 m/s
  • ghad58@yahoo.
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How Is Work Calculated for a Falling Space Vehicle in Gravity?
  • Symstar
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Who Was Ahead at the 6-Second Mark in the 100m Race?
  • physics_geek
  • · Replies 8 ·
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7K
How Do You Calculate Acceleration and Tension in a Two-Mass Pulley System?
  • Sagekilla
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3
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3K
Calculating Jet Engine Thrust: How to Use Newton's Second Law
  • chrishere?
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Conical Pendulum: Get Help Now!
  • soupastupid
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1
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Hydrogen Burning and the Suns Nuclear Fusion
  • Thoth
  • · Replies 8 ·
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Calculate Frictional Force for 800N Force on 100kg Block
  • emilyn
  • · Replies 1 ·
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1
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2K
How Do You Calculate Charge on Capacitors in a Circuit?
  • ma3088
  • · Replies 1 ·
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1
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5K
Help with Kinematics and Acceleration
  • amd123
  • · Replies 7 ·
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7
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4K
Help with Centripetal Force question
  • Sagekilla
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1
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9K
Opent top freight train with coal
  • 12boone
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1
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4K
2-D Collion question involving a cue ball and a numbered ball.
  • meeklobraca
  • · Replies 11 ·
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11
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3K
What is the force exerted on a stick by a bowling ball on a rough surface?
  • proace360
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3
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9K
What is the Force F in 2D Forces Equilibrium with Blocks A and B?
  • Melawrghk
  • · Replies 11 ·
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A window washer: tension problem
  • DakE_FeatH
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9K
Finding Weightless Point on Earth-Moon Center Line - 6.67E^-11
  • uno
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Calculating Sputnik I's Orbital Period
  • uno
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5
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4K
Finding Velocity at a Given Time on an Acceleration v Time Graph
  • ch2kb0x
  • · Replies 4 ·
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4
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4K
When and where will the collision occur in a one lane tunnel?
  • steph35
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1
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2K
Finding position given displacement, velocity
  • steph35
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1
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