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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How Do You Draw a Vector Diagram for an Airplane Adjusting for Wind?
- krypt0nite
- · Replies 3 ·
Solving Cone Volume Change with Chain Rule
- Monsu
- · Replies 2 ·
Linear Equations with Intersecting Lines: Solving for Unknowns
- bob4000
- · Replies 2 ·
Finding Fourier Transform for x(t): A Math Student's Query
- cepheid
- · Replies 3 ·
How Fast is the Triangle's Area Changing When the Board is 9 Feet from the Wall?
- buffgilville
- · Replies 2 ·
Forces, magnitude and acceleration
- Angeluzmaia
- · Replies 3 ·
What is the Maximum Reaction Time to Avoid Hitting a Deer?
- UrbanXrisis
- · Replies 4 ·
Velocity+avg. speed probs help Pleassse
- tangldupinBlue
- · Replies 2 ·
Quiky question before my test tommorow morning
- EasyStyle4747
- · Replies 2 ·
The Physics of Rifle Bullets: Speed, Acceleration, & Position
- UrbanXrisis
- · Replies 16 ·
Need help for a projectile problem
- mad
- · Replies 9 ·
Can You Calculate the Time Needed for a Model Rocket to Pass Through a Hoop?
- quick
- · Replies 6 ·
How Is the Third Answer Calculated in This Lawn Mower Physics Problem?
- justinbaker
- · Replies 2 ·
Need Help in Model Rocket Question
- Egyptian Mafia
- · Replies 4 ·
Solving a Physics Puzzle: Average Acceleration of a Tennis Ball
- TheDividedSky
- · Replies 2 ·
Calculating Wind Speed Needed To Keep Hailstones Aloft
- ScienceGirl502
- · Replies 13 ·
Calculating Forces on a Crate on a Frictionless Ramp
- 1stcool
- · Replies 4 ·
Can an Object Have Negative Position and Positive Velocity?
- star223
- · Replies 9 ·
Finding Sequence Limits: Proving r(sub-n) Approaches 2/3 | Step-by-Step Guide
- courtrigrad
- · Replies 2 ·
How Do You Solve Complex Pulley System Problems in Physics?
- HobieDude16
- · Replies 12 ·
Standing Vertical Jump physics problem
- Whatupdoc
- · Replies 2 ·
Force of 3 Boxes: Acceleration of System (m1,m2,m3)
- strugglin-physics
- · Replies 3 ·
Normal forces on inclined plane
- GingerBread27
- · Replies 2 ·
Find the 7th State of Matter for Extra Credit
- joe4224
- · Replies 9 ·
9th grade physics-just a little trouble
- star223
- · Replies 11 ·
Solve Electricity Numericals with Expert Help: Hydrogen Discharge Example
- saltrock
- · Replies 4 ·
Scale Readings in Accelerating Elevators: Calculations and Analysis
- Soaring Crane
- · Replies 4 ·
How Much Force is Needed to Stop a 1520kg Car in 57.5 Meters?
- BlackMamba
- · Replies 2 ·
Need help for a mechanic problem
- mad
- · Replies 10 ·
Particle Resting On An Accelerating Inclined Plane Problem
- NoPhysicsGenius
- · Replies 2 ·
Calculate Maximum Force Acting on 24 kg Mass
- strugglin-physics
- · Replies 2 ·
Friction-less wedge physics problem
- holyko
- · Replies 4 ·
Epsilon Delta Proof, need clarification
- haribol
- · Replies 3 ·
Uniform Circualr Motion with Projectile Motion problem (Extremely confusing):
- VinnyCee
- · Replies 4 ·
Need Vector Help? Find Angle Between Planes
- moca915
- · Replies 4 ·
What is the projectiles time of flight?
- Format
- · Replies 11 ·
Mean Value Theorem and electrostatic potential
- Hypnotoad
- · Replies 2 ·
Free fall (check my solution im stuck) PLEASE HELP ME TODAY
- Faiza
- · Replies 2 ·
2 simple oscilliation problems.
- physicszman
- · Replies 2 ·
Unraveling the Mysteries of Earthquakes, Longitudinal & Transverse Waves
- thunderfvck
- · Replies 2 ·
Understanding the Forces Acting on a Block on a Frictionless Incline
- Faiza
- · Replies 3 ·
Engine Performance(Finding Power)
- austin zitro
- · Replies 3 ·
Need help with a generalized formula for factoring
- Jacob Chestnut
- · Replies 5 ·
Help with 2D Motion: Acceleration & Coordinates
- motionman04
- · Replies 17 ·
Solving Initial Differential Question: Finding General Solution for y
- fresh
- · Replies 2 ·
Finding Amplitude of Air Vibration from Frequency and Intensity
- falcon0311
- · Replies 4 ·
Solving Exponent Laws: (p^2q+ pq^3)^3 / p^3q^4
- majinknight
- · Replies 3 ·
Probability Distribution and Constants
- Rachael_Victoria
- · Replies 3 ·
Find the value of Electric potential
- ACLerok
- · Replies 5 ·
Chandelier horizontal force help
- strugglin-physics
- · Replies 3 ·
Raising the Window Washer: A Trickier Problem Than It Looks
- SnowOwl18
- · Replies 4 ·
Proving Altitude Sum Inequality in a Triangle
- nolachrymose
- · Replies 6 ·
Equilibrium at Constant Velocity
- BlackMamba
- · Replies 3 ·
How Fast Must a Limo Travel Near Light Speed to Appear Shorter?
- jwoosley
- · Replies 4 ·
Acceleration of Falling Object: -9.8 or +9.8?
- saiyajin822
- · Replies 8 ·
How Does Acceleration Direction Affect Object Motion?
- Faiza
- · Replies 5 ·
Object Motion: Initial Velocity Zero, Acceleration Not
- Faiza
- · Replies 11 ·
Variance of 36 standard dice rolls
- Haatajajunk
- · Replies 2 ·
How Much Force is Needed to Displace a Chandelier Sideways?
- strugglin-physics
- · Replies 2 ·
Helicopter Lift Force Calculation
- strugglin-physics
- · Replies 8 ·
Newton's 2nd Law: Why 10kg Mass Doesn't Fall Faster Than 5kg Mass
- Soaring Crane
- · Replies 11 ·
How can dimensional analysis help with solving physics homework questions?
- Faiza
- · Replies 13 ·
How can you determine the velocity of a stone thrown from a bridge into a river?
- Faiza
- · Replies 18 ·
Solve Race Car G Problem: How Many G's?
- strugglin-physics
- · Replies 3 ·
What should its speed be relative to the ground?
- AHuds0n
- · Replies 4 ·
Solve for K for Continuity of f(2) at @=0
- Hygelac
- · Replies 3 ·
Determine Initial & Final n Values of Hydrogen Absorbing Light of 4055nm
- needhelpperson
- · Replies 11 ·
Can an object have a negative acceleration and be speeding up?
- Faiza
- · Replies 11 ·
Calculating Thermal Energy Supplied by Heater in 30.0s - Kilo-joules
- questionmaster
- · Replies 2 ·
Solving the Unsolvable: Two Ball Problem
- saiyajin822
- · Replies 8 ·
Understanding Energy and Momentum in Quantum Mechanics
- AKG
- · Replies 7 ·
Position, Velocity, and Acceleration of a Golf Ball at t = 1.20 s
- ramin86
- · Replies 4 ·
Kinematics & 2D Motion Practice Problems: Constant Acceleration
- Shay10825
- · Replies 2 ·
Find the velocity as it reaches the water
- Faiza
- · Replies 5 ·
Forces on Particle, Find Third Force?
- GingerBread27
- · Replies 24 ·
Questioning the Limit of Sin x/|x| as x Approaches 0
- xargon
- · Replies 2 ·
Solving the Unequal Displacement of Balls Problem
- Lilly
- · Replies 3 ·
Work, power, and kinetic energy
- PhysicPsychic
- · Replies 3 ·
Geometry Problem, Please assist
- dekoi
- · Replies 5 ·
What is the Speed of a Bowling Ball Hitting Pins at the End of a 16.5 m Lane?
- Strelka
- · Replies 2 ·
How Do You Calculate the Pulling Force on a Crate for Zero Net Work?
- rocky811
- · Replies 2 ·
How Can We Solve 2^m = 3^n + 5 for Non-Negative m and n?
- PrudensOptimus
- · Replies 6 ·
Find a model of plutonium. a bohr model
- vandamme
- · Replies 3 ·
How to Prove This Complex Inequality Involving Absolute Values?
- saint_n
- · Replies 3 ·
Problem proving tension in string
- Dracovich
- · Replies 7 ·
Solve Heating Water Problem: 100-W Electric Heater
- SpatialVacancy
- · Replies 3 ·
How Does Acceleration Change with Angle for a Horizontally Moving Bar?
- AronH
- · Replies 2 ·
How Long Does It Take for a Dart to Reach the Board from 1.9m?
- faisal
- · Replies 3 ·
How Can I Group Dots and Filter Mismatched Bits in Data Arrays?
- kronecker
- · Replies 2 ·
Solving for Time: Dropping a Brick from a Building
- saiyajin822
- · Replies 6 ·
Calculating PE and Initial Speed for Colliding Alpha Particles
- pulser45
- · Replies 2 ·
Limit of f(x): As x Approaches 3
- buffgilville
- · Replies 2 ·
Calculating Recursive Derivatives at Point x=0
- Monsu
- · Replies 4 ·
Young's modulus problem - need a hint
- redshift
- · Replies 2 ·
Determining Force for Toppling 30" Round Table
- kopplaw
- · Replies 2 ·
Sketching Region for |x-y|+|x|-|y| <= 2
- linux666
- · Replies 2 ·
Calculating Velocity of Free Falling Objects | Bridge Experiment
- Faiza
- · Replies 2 ·
Calculating the Maximum Radius of the Observable Universe
- kimikims
- · Replies 8 ·
Why Are My Physics Calculations on Force and Acceleration Incorrect?
- buffgilville
- · Replies 5 ·
Kinematics one dimension. help
- saiyajin822
- · Replies 6 ·