Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Pool ball hits table, find an angle
- mbrmbrg
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Two Falling Stones and Their Center of Mass
- mbrmbrg
- · Replies 2 ·
Help Greatly Needed - Physics Of Golf
- nelson_gslc
- · Replies 1 ·
Static equilibrium and a ladder
- vu10758
- · Replies 1 ·
Does Light Speed Vary by Color?
- yipkawa
- · Replies 1 ·
Calculating Gravitational Force on a Point Mass in a Semicircular Rod
- pete06
- · Replies 2 ·
What is the angle between the initial velocity vectors of the two children?
- mike_24
- · Replies 11 ·
Calculating Density of a Submerged Object at 0°C | Check My Answer
- trickymax301
- · Replies 1 ·
Understanding Moving Charges and Magnetic Fields: True or False Statements
- LMTMAC
- · Replies 1 ·
How can a constant magnetic field in a coil lead to an increasing induced EMF?
- syang9
- · Replies 2 ·
Circular Motion, and Conservation of Energy problem
- leighzer
- · Replies 1 ·
Torque acting on a small plane during a looping
- fara0815
- · Replies 5 ·
Solving a Block's Motion on Inclined & Horizontal Surfaces
- leighzer
- · Replies 7 ·
How Much Force Must a Fireman Exert to Hold a Steadily Ejecting Hose?
- zaguar
- · Replies 4 ·
Calculate Plane Speed from Diameter & Angle
- courtney1121
- · Replies 3 ·
Static friction on cars rounding curves with different masses and speeds
- courtney1121
- · Replies 10 ·
Calculating the Physics of a Windlass System
- Dep87
- · Replies 1 ·
I hope this helps.How high did this athlete jump?
- cy19861126
- · Replies 9 ·
How Does the Normal Force Compare to the Car's Weight in a Circular Valley?
- courtney1121
- · Replies 1 ·
Determining Heat Shield Suitability for Space Shuttle | Biomechanics Project
- courtney1121
- · Replies 12 ·
Find angular velocity using angular momentum
- vu10758
- · Replies 3 ·
Finding the Distance for Static Equilibrium of a Suspended Rod
- flash2
- · Replies 4 ·
Calculate Angular Momentum of 2kg Object at Time t
- vu10758
- · Replies 1 ·
Archimedes's Principle or something
- ayudame
- · Replies 4 ·
How Do Magnetism and Electric Fields Interact in Physics Problems?
- jekch85
- · Replies 4 ·
EASY PROBLEM - Force to break the string.
- 8parks11
- · Replies 5 ·
A packet is dropped from the window
- Aladin
- · Replies 8 ·
Solving sec²x·tan²x = 2
- donjt81
- · Replies 1 ·
BASIC Centripetal Force PROBLEM HELP
- 8parks11
- · Replies 7 ·
Why Did Ancient Roman Towns Have Fountains Before Water Distribution?
- Greek2Me
- · Replies 1 ·
What is the Designed Speed for a 100 m Radius Curve Banked at 68 Degrees?
- 8parks11
- · Replies 2 ·
How Does Partial Insertion of a Dielectric Affect Capacitor Voltage?
- vthang05
- · Replies 1 ·
Horizontal Harmonic motion and Springs
- mmiller39
- · Replies 1 ·
HELP question about total distance traveled for an object on a hill
- KS1247
- · Replies 1 ·
Is It Possible for a Cylinder to Roll Freely Without Slipping?
- Soaring Crane
- · Replies 10 ·
How Do You Calculate Mass Flow Rate in a Pressurized Tank?
- Soaring Crane
- · Replies 6 ·
Why Is the Displacement Graph Parabolic in a Ticker Tape Experiment?
- Missy81590
- · Replies 2 ·
Physical pendulum and meter stick
- bearhug
- · Replies 1 ·
How Does Distance Affect Decibel Levels in Sound Propagation?
- gh0st
- · Replies 1 ·
Kinetic Energy, Force, and Collisions
- Soaring Crane
- · Replies 1 ·
How Do You Calculate the Horizontal Component and Flight Time of a Baseball?
- XPX1
- · Replies 5 ·
Calculating Acceleration of a Sphere Thrown Upward
- ch3570r
- · Replies 5 ·
Surface Gravity of a Neutron Star
- scoles
- · Replies 1 ·
What is the Force Exerted by a Gas on a Container Wall?
- auslmar
- · Replies 2 ·
Designing an Elevator for a Hospital: Maximum Speed and Newton's Laws Explained
- physstudent1
- · Replies 2 ·
Find the distance the car travels before it stops
- scoles
- · Replies 2 ·
What Is Magnitude and How Is It Calculated?
- josher1289
- · Replies 1 ·
How Fast Must an Object Travel to Reach 80 Meters High?
- ch3570r
- · Replies 5 ·
Pinball: Finding Spring Constant for Min Speed
- dan_c_101
- · Replies 6 ·
Timekeeping Changes with Temperature: Pendulum Clock at 1°C
- starfish794
- · Replies 1 ·
Failing Physics. Need Dire Help. PLEASE
- josher1289
- · Replies 2 ·
Block moved by spring - Determine speed
- starfish794
- · Replies 3 ·
Failing physics in dire need of help. PLEASE
- josher1289
- · Replies 1 ·
Calculating Total Energy of Block-Spring System
- trickymax301
- · Replies 3 ·
Head-on Proton Collision: Finding Speed
- kevykevy
- · Replies 3 ·
Intensity of sound and pain level
- needhelp83
- · Replies 4 ·
Discover the Frequency of Fingered Violin Strings Without Measuring Length
- needhelp83
- · Replies 5 ·
Photon Reflection & Transmission: Calculating Probabilities
- kingyof2thejring
- · Replies 1 ·
Satellite (Gravitation) Question
- Destrio
- · Replies 4 ·
Find Net Electric Field Magnitude & Direction in an Equilateral Triangle
- kevykevy
- · Replies 3 ·
How would i derive the equation?
- Tensaiga
- · Replies 3 ·
Power of a wave at a specific point
- lizzyb
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Collision of Spheres X & Y: Impulse Magnitude
- blackout85
- · Replies 3 ·
Calculating Rotational Velocity and Force on a Loop-the-Loop Track
- cd80187
- · Replies 10 ·
Energy of Oscillation for a Small Line Segment
- lizzyb
- · Replies 6 ·
How Do You Calculate the Equivalent Capacitance in This Complex Circuit?
- fccniy
- · Replies 1 ·
Calculating Moment of Inertia of Long, Thin Rod w/ Varying Mass Density
- factor
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Ate of energy transfer by sinusoidal waves on a string q
- lizzyb
- · Replies 2 ·
What are some practical investigation ideas for A-level physics coursework?
- k6666
- · Replies 1 ·
Constant velocity and the coefficient of kinetic friction
- kinthos
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Angular Acceleration: Propellor on Boat Increases from 50 to 150 rev/min
- petal5
- · Replies 2 ·
What is the angular velocity and kinetic energy of a cockroach-disk system?
- cd80187
- · Replies 6 ·
How Do You Calculate the Frictional Torque and Stopping Time of a Rotating Disc?
- phalanx123
- · Replies 2 ·
What is the Mass of the Uniform Disk Used as a Cam on a Vertical Shaft?
- Soaring Crane
- · Replies 2 ·
Maximum Applied Force for No Slippage in Angular Motion
- nocloud
- · Replies 11 ·
Gravitational Attraction at Equator
- Felin
- · Replies 1 ·
Solving: secx=-5.2, 0≤x≤2π: Why Only 1 Answer?
- Destrio
- · Replies 1 ·
YoYo Challenge Help: Building & Materials Tips
- Smartguy
- · Replies 1 ·
Can you cool off the kitchen by leaving the refrigerator door open?
- AzMaphysics
- · Replies 9 ·
Understanding the Force on an Electron in a Changing Magnetic Field
- edlin
- · Replies 3 ·
Centripetal Force, Tension, Circular Motion
- twotaileddemon
- · Replies 13 ·
Is Launching a Satellite Eastward More Efficient Due to Earth's Rotation?
- Soaring Crane
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Satellite question. find mass of planet and weight on planet?
- physics1007
- · Replies 2 ·
Why Longer Barrels in Superguns & Big Bertha?
- Soaring Crane
- · Replies 5 ·
Tension between two objects hanging
- lizzyb
- · Replies 2 ·
Max speed of wave on a string from elastic limit given density
- lizzyb
- · Replies 2 ·
What is the Equation for Momentum in a Rifle Firing a Bullet?
- blackout85
- · Replies 1 ·
Does Equal Force Result in Equal Momentum for Different Masses?
- blackout85
- · Replies 1 ·
Is Potential Energy Equal at Maximum Height & Max Compression with Springs?
- Battle_Pope
- · Replies 6 ·
Velocity and angular acceleration
- Zeno's Paradox
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Calculating Acceleration on an Inclined Plane without Sliding
- Parallel
- · Replies 8 ·
Solving Biomechanics Question: Hip and Knee Velocity Calculations
- fratjock20
- · Replies 1 ·
How Do You Calculate the Moment of Inertia for a System of Perpendicular Rods?
- physics.guru
- · Replies 4 ·
Help with PHYS12 Hw: Beam Hinged at One End, 0.8 kg Rod on Scale
- flash2
- · Replies 3 ·
Bullet is fired and hits a block. find KE and Speed?
- physics1007
- · Replies 3 ·
Spring cylinder system question
- feelau
- · Replies 17 ·
What Is the Correct Method to Solve Rolling Motion Problems on an Incline?
- Soaring Crane
- · Replies 10 ·
How to Use SI Units in Equations for Scientists
- CSPTT
- · Replies 11 ·
Calculate the terminal velocity from a displacement-time graph?
- fickle
- · Replies 5 ·