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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Determine the potential energy of the configuration
- Pruddy
- · Replies 9 ·
Block sliding down ramp with friction, finding exit speed
- racecar12
- · Replies 12 ·
Calculating Centrifugal Force for a Bug on a Spinning Compact Disc
- Robertoalva
- · Replies 9 ·
Wood-block Friction Launch Problem
- Shaku
- · Replies 12 ·
Distance traveled using velocity
- destinc
- · Replies 4 ·
Finding magnitude of x-component Electric Field due to a Line Charge
- Arrhenius7991
- · Replies 3 ·
Oscillation / Soundwaves Question - Phase difference?
- LadyMario
- · Replies 7 ·
Circular Motion, Gravity, Muddy Wheel
- porschedude
- · Replies 14 ·
Calculating Tension in a Charged Ball Suspended in an Electric Field
- Ryoblck
- · Replies 16 ·
Finding Tension of a Massless Rope
- Yosty22
- · Replies 4 ·
How Do You Calculate Voltage Differences Using Kirchhoff's Rules?
- StarMan1234
- · Replies 7 ·
Mass revolving around a vertical axis
- Astrum
- · Replies 7 ·
The reaction of a spherical surface on an object
- TheDoctor46
- · Replies 5 ·
Special relativity:2 ships pass eachother
- bfusco
- · Replies 2 ·
Constant angular acceleration problem
- Paulhaley2000
- · Replies 1 ·
Physics Electric Field Problem
- asheik234
- · Replies 3 ·
What is the maximum instantaneous power that the resistance must withs
- lizaliiu
- · Replies 1 ·
Finding Tension using Newton's Laws
- Mangoes
- · Replies 4 ·
Calculating Average Acceleration: Rebounding Hockey Puck Example
- charlotte1208
- · Replies 1 ·
2 Charged thick plates placed next to each other.
- Ghastn
- · Replies 7 ·
Damped harmonic oscillator, no clue
- Smity
- · Replies 1 ·
Find the Magnitude of the Normal Force on the Slider and v'
- Northbysouth
- · Replies 4 ·
Calculating the capacitance of a parallel-plate air capacitor
- shandsy
- · Replies 1 ·
Angular Momentum and Flywheel Energy problem?
- SecretSnow
- · Replies 3 ·
C 12B 2009 Problem 17: Finding the Fraction of Air in a Heated Souffle
- skate_nerd
- · Replies 2 ·
Find gravitational acceleration through luminosity
- astrofunk21
- · Replies 8 ·
What is the power of a pump spraying water at 20 m/s with a 0.05 m radius?
- New_bee
- · Replies 6 ·
Boat Speed and Resistance: Solving a Proportion Question in 140 Minutes"
- avcireis
- · Replies 27 ·
I dont understand how to find acceleration for the second part
- Sneakatone
- · Replies 18 ·
What value of R3 maximizes power dissipation in a parallel resistor?
- StarMan1234
- · Replies 12 ·
Why does electric field increase when potential decreases?
- MattyP
- · Replies 1 ·
Acceleration on Inclined Plane and Pulley System
- aaronfue
- · Replies 2 ·
Height of thrown ball after 0.7s using average velocity
- VU2
- · Replies 15 ·
Circuit with Two Batteries and Six Resistors
- Gee Wiz
- · Replies 6 ·
Colliding Binary Star (GPE Problem)
- macaholic
- · Replies 2 ·
What Factors Determine the Trajectory of a Baseball?
- Sneakatone
- · Replies 11 ·
Find the Acceleration of the two joined Blocks
- Northbysouth
- · Replies 1 ·
Why Is the Wave Equation Dimensionally Incorrect?
- Sorgen
- · Replies 2 ·
Airplane turning with constant acceleration for 9.2s
- Element1674
- · Replies 5 ·
Electric field within a solid sphere
- Gee Wiz
- · Replies 10 ·
Accident Reconstruction using Friction, Energy, Momentum, and Work
- sparris
- · Replies 2 ·
Final Speed of a Proton and Electron
- Bashyboy
- · Replies 6 ·
Coefficient of kinetic friction on a ramp with incline and level sections
- Nfinley1
- · Replies 5 ·
Why Is Measuring Jupiter's Mass Using Its Four Largest Moons More Accurate?
- Bashyboy
- · Replies 5 ·
How Long Does Is take for a car to go from 0-60 MPH
- lorenamtimas
- · Replies 3 ·
Projectile Motion of a Secondary Rocket in a Vertical Launch
- Toranc3
- · Replies 2 ·
Simple problem with vectors in 3 dimensions
- Wolftacular
- · Replies 5 ·
How Do You Calculate Force in Biomechanical Movements?
- chris.hess
- · Replies 10 ·
Finding Electric Field of A Sheet Infinite In Magnitude
- Bashyboy
- · Replies 9 ·
Calculate forces on a fixed beam
- dreamliner
- · Replies 3 ·
Energy density and range calculation Electric Vehicle
- Bianca12
- · Replies 18 ·
Coulombs law, initial speed to collide with other nucleus
- skate_nerd
- · Replies 3 ·
Calculate the Vertical Acceleration
- Northbysouth
- · Replies 1 ·
How to determine what sign (+/-) to use?
- nothanksjeff
- · Replies 1 ·
I on finding seconds from maximum height.
- Sneakatone
- · Replies 6 ·
Centripetal Force Ball Swing Question
- tcc88
- · Replies 8 ·
Two masses connected to a spring.
- Sefrez
- · Replies 6 ·
What Is the Time Interval of Lightning Strikes Observed by a Train Passenger?
- bfusco
- · Replies 18 ·
Finding the Magnitude and Direction of Magnetic Field of 2 parallel wi
- physicshelpnow
- · Replies 1 ·
Finding initial velocity and height for each bounce from a quadratic graph
- tariel
- · Replies 10 ·
How Fast Does the -8.051 μC Charge Travel to Position A?
- loganhey
- · Replies 7 ·
Gauss's Law insulating cylinder concentric shell
- ilovetswift
- · Replies 3 ·
Drawing a shear force diagram with loads working at an angle
- dreamliner
- · Replies 1 ·
Where Does \(\frac{1}{2}x\) Come From at \(k=1\)?
- izen
- · Replies 2 ·
Thermodynamics. Find the Mass Flow Rate of the Air and the Exit Area
- Northbysouth
- · Replies 1 ·
Forces for Differing Masses and Accurately Reporting Them
- KayCup
- · Replies 5 ·
Initial displacement in Simple Harmonic Motion
- heartyface
- · Replies 7 ·
Voltage and electric field for 1 coulomb on 1000uF capacitor
- LTME
- · Replies 2 ·
Left-over AC voltage in a half-wave rectifier
- JJBladester
- · Replies 6 ·
Mass of Condensed Water Out of a Moist Air Stream
- rcl5011
- · Replies 10 ·
Gravity and mass with Jupiter's moons
- Surgikill117
- · Replies 2 ·
Binary stars ,time period of orbit?
- humanist rho
- · Replies 8 ·
Newton's third law, bullet through wood question
- MightyMuddy
- · Replies 14 ·
What is the index of refraction of this unknown material?
- cjhockey35
- · Replies 3 ·
Thermodynamics problem - internal energy of a saturated steam?
- theBEAST
- · Replies 2 ·
Find Direction and Angle to arrive directly across initial location?
- Stanc
- · Replies 6 ·
How can I Find all V in Resistor, and all Currenst flowing?
- shojimar
- · Replies 2 ·
How Does Projectile Angle Affect Range in Physics?
- Questions999
- · Replies 3 ·
Speed of a Car on Straight Road
- nody
- · Replies 1 ·
Vector Plane, Calculating Windspeed Question?
- Stanc
- · Replies 8 ·
Whirling Rope - Find the Tension at Position r
- Astrum
- · Replies 17 ·
Rainwater Accumulation on Moving Truck: Momentum Conservation
- CAF123
- · Replies 24 ·
Rolling Motion, confusing with linearizing a graph?
- tariel
- · Replies 4 ·
Vertical Motion Scenario Solving for Velocity
- cassc94
- · Replies 2 ·
Finding the thickness of a double convex lens
- chris_0101
- · Replies 1 ·
What Is the Maximum Height of the Rocket After Engine Failure?
- revults
- · Replies 4 ·
How to read superheated water tables?
- theBEAST
- · Replies 1 ·
Finding Magnitude of Unkown Force on Rough Horizontal Surface
- FaraDazed
- · Replies 4 ·
Intertial mass and determining the value of gamma
- daselocution
- · Replies 1 ·
Find the angle of a force by means of graphic solution
- kaffekjele
- · Replies 3 ·
Electric Potential for Concentric Cylinders
- mrshappy0
- · Replies 15 ·
Applying Gauss's Law Several Times
- Bashyboy
- · Replies 24 ·
Electric field due to a line of charge
- Gee Wiz
- · Replies 16 ·
Differentiating electrostatic force
- Saxby
- · Replies 2 ·
Electron accelerated in parallel-plate field over 3.2 cm
- alittlelost
- · Replies 1 ·
What Is the Power Output of a Car Accelerating from Rest in First Gear?
- TheRedDevil18
- · Replies 4 ·
Magnification equation problem
- Saxby
- · Replies 7 ·
R-L circuit: current reaches steady state at 20μs, find time constant and inductor energy
- freshbox
- · Replies 16 ·
Relative Motion- Airplane/Wind
- revults
- · Replies 7 ·
Binary Star System Period of Revolution
- derravaragh
- · Replies 1 ·