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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Find the magnitude of the velocity of the canoe relative to the river
- EaGlE
- · Replies 5 ·
Master Converting Metric Units in Scientific Notation: Learn the Simple Method!
- Imparcticle
- · Replies 5 ·
Easy physics problem, finding forumula
- rdn98
- · Replies 2 ·
Solve 2.00 & 4.60µF Capacitors Voltage: Help Needed
- ncsuwx
- · Replies 2 ·
What is the center of circular path?
- GingerBread27
- · Replies 10 ·
Block accelerating down a 30.0° incline with friction
- keeper54
- · Replies 22 ·
How Does Electrode Separation Affect Spark Plug Efficiency?
- rosely
- · Replies 1 ·
Relative Velocity as far as I can tell
- merlinMan
- · Replies 4 ·
Emu acceleration and velocity with constant deceleration
- shawonna23
- · Replies 2 ·
Finding total distance from velocity-time graph
- ramin86
- · Replies 5 ·
Rabbit vs. Tortoise: A 100-m Race
- huong03
- · Replies 2 ·
Finding Velocity and Displacement
- BlackMamba
- · Replies 8 ·
Finding velocity magnitude and angle for electron position r=3.00t i - 5.00t² j + 3.00 k
- 0aNoMaLi7
- · Replies 2 ·
Calculating Buoyant Force: Brain Blocks Pt II
- falcon0311
- · Replies 2 ·
Is Harmonic Oscillation Independent of Gravity?
- Dracovich
- · Replies 7 ·
Why Are Repeating Decimals Less Than Denominator?
- uranium_235
- · Replies 4 ·
Physics Problems: Calculating Height and Speed in Real-Life Situations
- lmf22
- · Replies 2 ·
Finding the Displacement of a Duck Undergoing Multiple Forces
- pinky2468
- · Replies 6 ·
Calculating Electric Field Strength at a Corner with No Charge
- 600burger
- · Replies 3 ·
Calculate Bagel Tossing Speed and Catching Position?
- Whatupdoc
- · Replies 3 ·
Very simple symbol question regarding a logarithmic function (I can't find it)
- singleton
- · Replies 2 ·
Finding equilibrant vector and x-y components from magnitude and angle
- buffgilville
- · Replies 3 ·
How many grams of Ca(OH)2 and NaCl for these solutions?
- buffgilville
- · Replies 3 ·
Commutator [H,U(m,n)], operator matrix expansion, and projector form of K
- Hypnotoad
- · Replies 6 ·
How do I find displacement and its magnitude from position data?
- tinhnho
- · Replies 3 ·
Has Anyone Participated in the DuPont Science Essay Contest?
- Simfish
- · Replies 1 ·
Simplifying and Integrating Cosine Functions
- Whatupdoc
- · Replies 11 ·
Involving a line being parallel to itself
- KennyIsGod
- · Replies 7 ·
Having some trouble interpretting several problems (link fixed)
- EasyStyle4747
- · Replies 4 ·
How Is Maximum Height Calculated for a Rocket in Free-Fall Acceleration?
- strugglinGimp
- · Replies 6 ·
Finding acceleration from two forces at 45° angle
- pinky2468
- · Replies 8 ·
How Is the Spring Constant Dimensionally Analyzed in Oscillation Equations?
- lotusbloom
- · Replies 2 ·
How to Determine Reaction Forces at Points A and C in a Structured Beam?
- Clausius2
- · Replies 6 ·
Proofs advice/places to find more practice proofs
- Mark
- · Replies 2 ·
Help with Mechanics: Towing a Barge with Flexible Cable
- teru
- · Replies 2 ·
How Does a Plumb Bob Deviate at 34.5° North Latitude Due to Earth's Rotation?
- xcutexboax
- · Replies 11 ·
Solving 2cos(x/3) = ln x for x in [0,2π]
- UrbanXrisis
- · Replies 7 ·
Calculating Elephant Seal's Displacement - Kinematics Problem
- shawonna23
- · Replies 6 ·
Choosing the right substitution for trigonometric integrals
- COCoNuT
- · Replies 18 ·
Calculus-based physics mechanics
- dqasem
- · Replies 3 ·
Vector and Free Fall Problem Solving
- BlackMamba
- · Replies 5 ·
Find a when y equals a minus ab
- Jasonp914
- · Replies 10 ·
Displacement and distance for book moved around a table perimeter
- daveman12340
- · Replies 2 ·
Solve for Launch Velocity Components in a Football Field Goal Attempt
- shawonna23
- · Replies 5 ·
Algebraic Equations for Motion and Currency: Solving for Variables
- Omid
- · Replies 3 ·
Just can't seem to get this one
- JohnQ
- · Replies 3 ·
Probability a statement is true if inhabitants lie 2/3 of the time
- Jin314159
- · Replies 10 ·
Solving for the Horizontal Component of Velocity in a Jetliner Moving at 390 m/s
- shawonna23
- · Replies 4 ·
Solve Math Word Problems: 2 Examples & Help Appreciated
- chopster
- · Replies 5 ·
How much time does it take the walker to make the round trip?
- EaGlE
- · Replies 3 ·
How do I set up physics problems correctly?
- Fused
- · Replies 8 ·
Having alot of trouble with projectile motion prob
- justinbaker
- · Replies 4 ·
Finding Angle for Ball to be Thrown to Catch Woman
- merlinMan
- · Replies 3 ·
Calculating Distance of Ball Launch in Semicircular Chute
- EaGlE
- · Replies 4 ·
Proving that x=f*sin(wt+θ), y=g*sin(wt+φ) traces an ellipse
- DarkEternal
- · Replies 6 ·
Finding Stationary Points in a Rational Function
- HeyHow!
- · Replies 4 ·
Solving Quadratic Word Problems: Finding the Dimensions of a Rectangle
- leekiss
- · Replies 2 ·
Calculating Net Force: Equilateral Triangle with Point Charges
- psruler
- · Replies 3 ·
Integral problem with natural log ($5 to whoever gets it)
- formula107
- · Replies 8 ·
Calculating Distance and Direction in Whiteout Conditions
- GingerBread27
- · Replies 12 ·
Energy Question - Burning off Breakfast
- coglon
- · Replies 4 ·
Two drag racing cars with 1s start gap: do they stay equally spaced?
- Omid
- · Replies 10 ·
How Does Plate Separation Affect Voltage in a Parallel-Plate Capacitor?
- einstein_from_oz
- · Replies 3 ·
How Long Does a Train Take for a 48 km Trip with Intermediate Stops?
- physicsss
- · Replies 3 ·
Why is Everything Accelerating on the Surface of Earth?
- Omid
- · Replies 4 ·
Average acceleration = inst accleration ?
- Omid
- · Replies 4 ·
What are the components and sum of two vectors?
- physicsss
- · Replies 9 ·
Why Does the Swimming Angle Calculation Depend on Trigonometric Functions?
- Fused
- · Replies 5 ·
How Can I Join Stick Heads for Walking Stick Figures?
- Vance
- · Replies 2 ·
How Does Time-Dependent Perturbation Theory Explain Quantum State Evolution?
- kakarukeys
- · Replies 3 ·
How do I graph x=y-y²?
- ACLerok
- · Replies 7 ·
Modelling Salt and Water Flow in a Tank
- DennisG
- · Replies 2 ·
Cracking the Vault: How Long Will it Take to Try Every Combination?
- TKL
- · Replies 5 ·
Probability Density in Quantum Mechanics
- JamesJames
- · Replies 5 ·
How to solve this trig equation in radians 2sin^2(x) + sin(x) - 1=0
- UrbanXrisis
- · Replies 5 ·
Where can angle x terminate if sin(x) = cos(x)?
- UrbanXrisis
- · Replies 6 ·
How Do You Solve These Probability and Combinatorics Problems?
- wmosley
- · Replies 3 ·
Kinematics Problem and final velocity
- Brett
- · Replies 2 ·
Finding electric potential from a point charge using integration
- JamesL
- · Replies 3 ·
How Do You Calculate Conditional Probabilities with Joint PDFs?
- franz32
- · Replies 2 ·
How High Does the Rock Go When Thrown from a Building?
- EaGlE
- · Replies 4 ·
How Do I Solve This Complex Kinematics Displacement Problem?
- soccerjayl
- · Replies 6 ·
What is the formula for the sequence of points Pn approaching (2/5, 1/5)?
- gravenewworld
- · Replies 5 ·
Electric Fields x-component problem
- masamune
- · Replies 2 ·
Finding an angle that's 20 more than four times its supplement
- Imparcticle
- · Replies 4 ·
Finding mass from friction force and coefficient of friction
- KatieM
- · Replies 9 ·
How do I evaluate arcsin(sin 3π)?
- cdhotfire
- · Replies 6 ·
How Much Force Must a Diving Suit Window Withstand at 150m Depth?
- jimithing
- · Replies 2 ·
What Do These Constant Velocity and Acceleration Formulas Mean?
- COCoNuT
- · Replies 2 ·
Calculating Relative Velocity on a Moving Ship: Magnitude and Direction
- Clari
- · Replies 8 ·
Finding the limit of lim_(h-->0) (f(1+h,2) - f(1,2))/h
- TSN79
- · Replies 5 ·
Law of sines or law of cosines for AP physics problem
- doughrtyHT
- · Replies 2 ·
Limit of (1 - cos(x))/x² as x approaches 0
- Halcyon99
- · Replies 6 ·
What is the difference in time the balls spend in the air?
- holly111
- · Replies 3 ·
Trajectory of diver with vertical and horizontal velocities
- Fused
- · Replies 3 ·
Work done together problem
- Omid
- · Replies 4 ·
Alternating current from rotating coil with 6 ohm load
- islandguy
- · Replies 2 ·
A leaky 100 microfarad capacitor is charged to a potental difference
- islandguy
- · Replies 2 ·
Physics book slides off a horizontal
- COCoNuT
- · Replies 7 ·
Thanks Tide but i still dont understand the second half of the question
- alonzo
- · Replies 3 ·