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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Max Dist Compressed: .99m - Find Out How With Vibrations & Waves
- physics_ash82
- · Replies 2 ·
Calculating Fringe Distance with Multiple Wavelengths and Slit Spacing
- Christina
- · Replies 3 ·
Finding the Mass of a Puck in a 2-Dimensional Collision
- SwAnK
- · Replies 5 ·
A few questions - mostly Kinetic Energy stuff, help please?
- penumbraluna
- · Replies 3 ·
How Can I Prepare for Physics and Engineering Exam Questions?
- Trebor
- · Replies 5 ·
Solve Force Problem: Tension of Wires Holding 20.0 kg Object
- avb203796
- · Replies 10 ·
Pulling Horizontally: Force Problems - Help Needed
- avb203796
- · Replies 2 ·
Cylinder-and-piston physics probem
- jakeowens
- · Replies 1 ·
Concept MC Questions - Clarifying Earth's Rotation & Ladder Friction in Space
- bobby13
- · Replies 1 ·
Calculating Bullet Speed Before Impact for Vibration Problem
- confusedaboutphysics
- · Replies 1 ·
Formula to calculate Rocket Thrust
- Serena_Greene
- · Replies 8 ·
At what rate must the current be to changed to produce 40V emf
- mr_coffee
- · Replies 3 ·
What is the rms potential difference across the resistor?
- mr_coffee
- · Replies 2 ·
Get the resistance for each wires
- Izekid
- · Replies 1 ·
Solving Mechanics Questions: Tips and Tricks for Success
- ElDavidas
- · Replies 11 ·
How Do You Calculate Acceleration with Friction Involved?
- yeyspaz
- · Replies 2 ·
Bridges and Archimedes' principle
- jrd007
- · Replies 14 ·
Whats the force of this baseball?
- yeyspaz
- · Replies 1 ·
Solve Physics Exam Confusion: Sound Waves & Calorimetry
- NutriGrainKiller
- · Replies 1 ·
Calculating Cork Volumes for Amusement Park Water Slide
- tiz_07
- · Replies 1 ·
What Is Magnetic Wire and How Is It Used in Building an Electromagnetic Motor?
- MiWiGi
- · Replies 1 ·
When are farenheit and kelvin numericaly equaly?
- kevinlikesphysics
- · Replies 7 ·
Checking Work on Condensing Steam: A Challenge!
- dustybray
- · Replies 2 ·
A confusing question - melting ice
- zhen
- · Replies 7 ·
What Do You Do When A/B Forces Aren't Shown?
- markow202
- · Replies 2 ·
How Does the Kinetic Theory of Gases Explain Gas Movement in a Cylinder?
- Seiya
- · Replies 2 ·
Is my book right? it seems wrong
- Tim.thelion
- · Replies 15 ·
Calculating Speed of Falling Meter Stick
- aug
- · Replies 2 ·
When should the Parallel Axis Theorem be used in mechanics?
- amcavoy
- · Replies 1 ·
What is the Final Temperature When Lead Shot is Mixed with Water?
- zhen
- · Replies 3 ·
Help elastic head-on collision
- snowbelle
- · Replies 5 ·
Solving Linear Momentum: Glass Bead Stream Problem
- Lisa...
- · Replies 6 ·
Sound Waves - phase difference from time delay
- Arctangent
- · Replies 1 ·
Static Equilibrium: Finding More than One Balance Point
- unctarheels1
- · Replies 3 ·
How to: Force, work & dot product
- Lisa...
- · Replies 5 ·
Image distance / focal length relation
- jmcgraw
- · Replies 1 ·
Ski Turn Radius, Inclination at Speed & Balance
- michaela
- · Replies 1 ·
Conservation of Energy & Circular motion
- Lisa...
- · Replies 10 ·
Optimal Escape Strategy: Apogee or Perigee?
- Hypercase
- · Replies 13 ·
Calculate the gravitational field strength
- sweet877
- · Replies 3 ·
Initial Amplitude and the Release Point
- moo5003
- · Replies 2 ·
What is the relationship between speed and radius for a car to avoid skidding?
- Jeann25
- · Replies 3 ·
Quick Question so I can finish this homework problem.
- moo5003
- · Replies 2 ·
Conservation of energy springs.
- computer_geek
- · Replies 1 ·
Need help w/ Angular Momentum please
- tbomber
- · Replies 5 ·
Pulley problem using 2nd Law of motion
- KD
- · Replies 5 ·
Minimum Uncertainty of Electron's Momentum
- Pepsi24chevy
- · Replies 5 ·
Dalton's Law and Partial Pressure
- Soaring Crane
- · Replies 4 ·
Find Thevenin Voltage & Current Across R2: Tricks & Tips Included
- phyznut
- · Replies 4 ·
=Homework Problem: Longest Vertical Soda Straw
- Gott_ist_tot
- · Replies 4 ·
How does Doppler affect the observed period of a moon of Jupiter?
- kp
- · Replies 4 ·
Question about optics (diffraction)
- Gza
- · Replies 2 ·
Damped harmonic oscillator physics
- brad sue
- · Replies 2 ·
Rock Climbing: Maximum Tension & Acceleration for Safe Ascent and Descent
- avb203796
- · Replies 9 ·
Calculating Required Air Temperature for Hot Air Balloon Stability
- unctarheels1
- · Replies 2 ·
Ballistic Pendulum Lab: Solving for Cart Speed
- fomenkoa
- · Replies 2 ·
Yes, that is correct. This is known as the critical velocity for a pendulum.
- ElDavidas
- · Replies 4 ·
Is the Principal Quantum Number n the Same as Planck's Proposed Quantization?
- asdf1
- · Replies 4 ·
A ball is thrown from the roof of a building
- plissken170
- · Replies 9 ·
Rotation of Rigid Bodies- mastering physics 9.72
- wku_tops
- · Replies 3 ·
Why is my calculation for the speed of a falling rod off by sqrt(2)?
- faculaganymede
- · Replies 4 ·
Solving Newton's Laws of Motion: Tips for Solving Friction Problems in Physics
- dewthejrew
- · Replies 2 ·
Gas Pressure in Open-End U-Tube Manometer
- Soaring Crane
- · Replies 1 ·
Statics: Shear force and Bending Moment
- unctarheels1
- · Replies 3 ·
Solving a Vertical Cylinder Pressure Problem
- lawgurl
- · Replies 2 ·
Struggling with a Homework Problem - Need Assistance
- Gott_ist_tot
- · Replies 2 ·
Static Equilibrium of massless rope
- suspenc3
- · Replies 6 ·
Calculating Energy Equivalent of 1 Gram Mass
- bkelly
- · Replies 5 ·
Calculating Amplitude of Elliptically Polarized EM Wave
- TriTertButoxy
- · Replies 1 ·
Solve Very Tough Question: Debunk Astrologists' Belief with Average Mass of 60kg
- Karma
- · Replies 3 ·
Solving Torque Question 3.12: Find Force F
- SS2006
- · Replies 5 ·
Calculating Force and Work of Man Pushing Piano
- crisicola
- · Replies 1 ·
Find the Largest Iron Asteroid to Launch into Space | Physics Problem Help
- suzi
- · Replies 3 ·
What Is the Final Temperature of a Heated Copper Ball?
- FishieKissie06
- · Replies 1 ·
Is Converting Kgcm to Nm Correct?
- Lorens
- · Replies 4 ·
Solving for Car Mass with Gauge Pressure and Surface Area | Physics Problems
- jrd007
- · Replies 35 ·
What Is the Maximum Amplitude of Harmonic Motion Without Slippage?
- ViewtifulBeau
- · Replies 4 ·
How Is the Force Distributed in an Evacuated Chamber with a Panel Cover?
- Arctangent
- · Replies 4 ·
How Does Temperature Scale Impact Gas Pressure Calculations in Thermometers?
- FishieKissie06
- · Replies 4 ·
Fluids - bringing together pressure, depth and friction
- Arctangent
- · Replies 4 ·
Why cosine theta for calculations?
- Brad_1234
- · Replies 1 ·
Magnitude of elec field to balance electron?
- Brad_1234
- · Replies 2 ·
Gravitational Potential and Satellite Motion
- kingyof2thejring
- · Replies 2 ·
A Few Statics-Related Questions
- amcavoy
- · Replies 3 ·
What is the period of this pendulum?
- brad sue
- · Replies 2 ·
Calculating Distance of Two Speakers Producing 162Hz Sound
- lilkrazyrae
- · Replies 1 ·
Some questions about Schroding's cat
- lydcsa
- · Replies 4 ·
Simple Harmonic Motion oscillations
- kingyof2thejring
- · Replies 2 ·
Lab based conservation of energy quesiton.
- 404
- · Replies 11 ·
How Do Binary Stars Orbit and Affect Each Other's Mass and Distance?
- EbolaPox
- · Replies 1 ·
How to Apply Heat Flow Equations to a Sphere?
- capslock
- · Replies 2 ·
Understanding Otto Cycle: Calculating Cycles, Heat Input, and Efficiency
- kris24tf
- · Replies 1 ·
Calculating Frictional Force in a Water Eroded Tube: A Case Study
- Meis_113
- · Replies 2 ·
How Does Temperature Affect the Resonant Frequency of a Hydrometer?
- capslock
- · Replies 1 ·
Angular velocity - spherical coordinates
- emptymaximum
- · Replies 7 ·
Centrieptal accleration and the poles of the earth
- huhmattg
- · Replies 1 ·
Gravitional Potential Energy and Mass of Earth
- Tirokai
- · Replies 3 ·
Calculating Distance Between Two Speakers Producing 180Hz Sound in Phase
- lilkrazyrae
- · Replies 9 ·
What is the Velocity of a Person at the Equator?
- nrc_8706
- · Replies 15 ·
Understanding Period and Frequency in Waves and Pressure Changes
- Seiya
- · Replies 2 ·