Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Help Me Analyze Particle Moving in Inverse Cubic Force Field
- Odyssey
- · Replies 2 ·
Calculating Time it Takes for Soap to Slide Down a Ramp
- strugglin-physics
- · Replies 5 ·
Calculating Impact Time in Two Rugby Players Collision
- TheShapeOfTime
- · Replies 4 ·
Normal Force = Weight of Book: Agree or Disagree?
- Faiza
- · Replies 6 ·
Physics Problem: Satellites in Circular Orbits
- shawonna23
- · Replies 6 ·
Calculate Leg Breaking Force: 60kg, 1m Height Drop
- Faiza
- · Replies 5 ·
N, which is not the case.Find Coefficient of Static Friction for 6.65 kg Box
- strugglin-physics
- · Replies 7 ·
Find Tension Between Sections of Cable?
- GingerBread27
- · Replies 2 ·
How Does Rocket Propulsion Affect Velocity and Position in Physics Problems?
- winlinux
- · Replies 4 ·
Spring-Mass System: Treating 2 Identical Springs
- colonel
- · Replies 6 ·
Finding total energy when 3 point charges are far away
- THA
- · Replies 3 ·
How Far Did the Football Travel in Total Displacement?
- soul814
- · Replies 3 ·
Distance needed for the car to stop
- lovelylemon
- · Replies 2 ·
Projectile Motion angled downwards
- NYmike
- · Replies 3 ·
Flux through a cube with non uniform electric field
- purplex76
- · Replies 3 ·
Find Length of Spiral Given by r(t) Equation
- Monsu
- · Replies 2 ·
Spring and Hammer Problem: Calculate Motion w/m, k, J, t
- e(ho0n3
- · Replies 4 ·
Help Me Solve Xsquared - 11x - 42 Maths Question
- x_paddypaws_x
- · Replies 5 ·
Understanding the Validity of PDE Solutions with Variable Substitution
- bullet_ballet
- · Replies 10 ·
A ladybug is at rest and accelerates to 2.0 m/s^2
- Tanya Back
- · Replies 4 ·
Normal force on box on elevator floor?
- GingerBread27
- · Replies 2 ·
What Materials Make the Best Insulators? A Scientific Exploration
- seve
- · Replies 2 ·
Uniform charged sphere with hole?
- philipc
- · Replies 4 ·
What is the natural state of plutonium?
- billnyethescienceguy
- · Replies 2 ·
What is the Coefficient of Friction Between Two Blocks on a Horizontal Surface?
- PinkDaisy
- · Replies 5 ·
Calculate Number of Molecules in 1m^3 Air at STP
- derekbeau
- · Replies 3 ·
Projector Optics: Calculate Distances & Find Magnification
- sharp81
- · Replies 8 ·
Checking Physics Homework: Spring-Tray-Particle System
- Chileboy
- · Replies 16 ·
What is the formula for calculating displacement in motion?
- Turkish
- · Replies 2 ·
Calculating Water Flow Speed at Points A and B: Pipe Branching Equations
- redshift
- · Replies 2 ·
Shortest Distance btw Point & Hyperbola
- Monsu
- · Replies 2 ·
What is the optimal height for a lamppost to illuminate a circular walkway?
- Monsu
- · Replies 2 ·
How to Calculate Mass with Given Force and Acceleration?
- mikep
- · Replies 9 ·
Solving a Projectile's Flight: Help with Work and Energy Problem
- rocky811
- · Replies 7 ·
Solving f(x) Differentiation Problem - Tips & Techniques
- Monsu
- · Replies 2 ·
Why does the block move with balanced forces?
- FancyNut
- · Replies 6 ·
Finding Speed and Coefficient of Friction
- GingerBread27
- · Replies 9 ·
What Forces Act on Each Book in a Stack with Different Masses?
- Faiza
- · Replies 2 ·
How Can a Train Travel Optimally Between Two Close Stations?
- UrbanXrisis
- · Replies 13 ·
Can Negative Acceleration Indicate Speeding Up?
- Faiza
- · Replies 2 ·
Trigonometric Function Application
- nolachrymose
- · Replies 3 ·
How Does Resistor Position Affect Transistor Storage Time?
- Monsu
- · Replies 4 ·
Magnetic Breakaway Force: Explained
- buffgilville
- · Replies 2 ·
Storage time of a transistor changes
- Monsu
- · Replies 2 ·
Solving Friction Problems: Coefficient of Kinetic & Normal Force
- Graif
- · Replies 3 ·
Solving Integration Problem: Substitution for x√(x-1)
- tandoorichicken
- · Replies 7 ·
Really simple problem - can't get right answer
- justagirl
- · Replies 2 ·
Tricky track/friction problem (again)
- Ravnus9
- · Replies 2 ·
How to Calculate Maximum Angular Frequency for Blocks on a Spinning Turntable?
- justagirl
- · Replies 2 ·
Terminal Speed of 6.5 kg Ball: Calc Error?
- GingerBread27
- · Replies 4 ·
Kinematics one dimension. help
- saiyajin822
- · Replies 2 ·
Why Do My Physics Calculations on Force and Acceleration Keep Going Wrong?
- buffgilville
- · Replies 2 ·
Equilateral Triangle Point Charge Problem: Solving for the Unknown Charge
- Romperstomper
- · Replies 2 ·
How Long Does It Take for a Police Officer to Overtake a Motorist?
- UrbanXrisis
- · Replies 3 ·
An Atwood's Machine lab question?
- pinky2468
- · Replies 2 ·
Find the requested function and sketch the curve
- BrendanM
- · Replies 2 ·
Problem with energy conservation
- diegojco
- · Replies 3 ·
Triangle Area Based on Segment Division
- nolachrymose
- · Replies 2 ·
Help, im rusty on first homework question
- BrendanM
- · Replies 2 ·
How Can I Solve These Physics Problems on Motion and Acceleration?
- Kadaj
- · Replies 2 ·
Calculating Resultant Displacement in a Cave: A Trigonometry Problem
- Physically Impaired
- · Replies 7 ·
Really easy 1-d motion question
- mewmew
- · Replies 2 ·
Find the probability distribution
- relinquished™
- · Replies 5 ·
Why Does Ohm's Law Calculation for External Resistor R Seem Incorrect?
- vsage
- · Replies 2 ·
Fourier integral / transform ? What is it really?
- student1938
- · Replies 5 ·
What is the potential of the other terminal in a car battery?
- avaxtasafi
- · Replies 3 ·
What is the force acting on a ball at the top of its orbit?
- buffgilville
- · Replies 3 ·
Solving Newton's Laws to Find Total Force - Physics Test Prep
- sinisterlink
- · Replies 17 ·
What is your average speed from Houston back to San Antonio?
- hytuoc
- · Replies 2 ·
Is the Given Series Convergent?
- DivGradCurl
- · Replies 2 ·
Bouncing ball and acceleration
- SahinTC
- · Replies 6 ·
Determine the magnitude and direction
- physicsss
- · Replies 11 ·
Math Triangle-inequality problem
- Anzas
- · Replies 6 ·
Cracking the Mystery of Fermi Numbers - Come Help!
- Faiza
- · Replies 5 ·
Find Acceleration of 11.5N Bucket Pulled by 9.7N and T Forces
- buffgilville
- · Replies 11 ·
Gauss's Law: Cylindrical Symmetry
- cepheid
- · Replies 7 ·
Calculating Net Force: 11.3N Bucket Pulled by 8.7N & Unknown Angle Force
- buffgilville
- · Replies 3 ·
How fast must a Puma leave to ground to go 12 feet high?
- Physically Impaired
- · Replies 3 ·
Calculating Kinetic Friction Using F=ma and X_0*K
- merlinMan
- · Replies 3 ·
Solving Kinematic Q: Plane Releasing Package, Angle of Velocity Vector
- Kalu
- · Replies 2 ·
Help: Newton's Laws - cement bag at rest.
- Illmatic
- · Replies 2 ·
What is the Minimum Altitude for Ice to Melt and the Best Engine Design?
- Farside
- · Replies 5 ·
Distance Traveled in 8s: Factor of 1st Second
- kimikims
- · Replies 2 ·
Sequences/series - just a silly question
- DivGradCurl
- · Replies 9 ·
Estimate how fast he should be moving
- WillParadigm
- · Replies 5 ·
Finding the Area Within Two Ellipses Using Integration?
- ACLerok
- · Replies 7 ·
Help with integrating these simple functions
- ACLerok
- · Replies 5 ·
How Does Thevenin's Method Apply to Complex Circuit Analysis?
- JamesJames
- · Replies 10 ·
How Can Friction and Spring Dynamics Affect Velocity on a Circular Track?
- Ravnus9
- · Replies 3 ·
Why Does the Basis (1, 1, 1) Satisfy the Given System of Linear Equations?
- vsage
- · Replies 2 ·
How Do You Calculate the Distance a Motorboat Travels After Engine Shutdown?
- physicsss
- · Replies 8 ·
Solving Glancing Collision: 50Kg Object Velocity Before Collision
- punjabi_monster
- · Replies 3 ·
How Does Wave Frequency Change with Each Harmonic in a Standing Wave Experiment?
- thunderfvck
- · Replies 2 ·
Calculating Power Delivered by Battery in RC Circuit
- JamesL
- · Replies 7 ·
Help Solve Physics Problem: Rocket Acceleration in <60 mins
- mattmaka
- · Replies 10 ·
Force due to uniformly charged rod
- stunner5000pt
- · Replies 2 ·
Trouble Setting Up Projectile Motion
- quality101
- · Replies 2 ·
How Do You Calculate the Derivative of 5/(x^2/5) Using the Definition Alone?
- daveed
- · Replies 2 ·
Where Can the Electric Field Between Two Unequal Charges Be Zero?
- stunner5000pt
- · Replies 15 ·
What is the current if the battery is shorted momentarily?
- Euclid
- · Replies 3 ·