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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Calculating Wire Current and Electron Flow: A Helpful Guide | Thank-you
- hshphyss
- · Replies 11 ·
How train is travelling through a curve?
- aneeshk
- · Replies 1 ·
How Does Fluid Dynamics Affect Pressure and Flow in Constricted Pipes?
- Jeann25
- · Replies 1 ·
Eq: Find Location of q3 for Net Force = 0
- leon1127
- · Replies 7 ·
Large mass collision momentum problem
- Robadams
- · Replies 5 ·
Im having trouble with this problemPlease help
- Robby11
- · Replies 3 ·
Ok, how should I go about this one?
- matt85
- · Replies 5 ·
HW question: electricity and magnetism
- matt85
- · Replies 2 ·
Explain Difference Red/Green Light Single/Double Slit
- F.B
- · Replies 2 ·
Electrostatic force on nonlinear charges
- bigslowy
- · Replies 1 ·
How should I approach this question?
- matt85
- · Replies 5 ·
Minimum Pulley Diameter for 1.5mm Bike Brake Cable
- KevD
- · Replies 4 ·
What is the relative velocity of the airplane to the surface
- balletprincess34
- · Replies 16 ·
Basic Thermodynamics: Solving for Energy, Volume, Pressure & Temperature
- KoGs
- · Replies 5 ·
Understanding Momentum: Solving Problems with the FT=MV Formula
- Zuloft
- · Replies 5 ·
Calculating Time of Force Application in Non-Uniform Motion
- neoking77
- · Replies 3 ·
Double Slit: Find Longest Wavelength
- SwAnK
- · Replies 4 ·
How do I express Z and R unit vectors in different coordinate systems?
- zekester
- · Replies 1 ·
Is E = E(max)cos(kx-wt) a Solution to Maxwell's Derived Equation?
- maon
- · Replies 9 ·
How Do You Calculate the Position of Two Falling Stones with a Time Delay?
- scavok
- · Replies 3 ·
Help with Kinematics Problem: Find Initial Velocity
- simple123
- · Replies 3 ·
How Is Electric Force Balancing a Suspended Charged Ball in a Capacitor?
- stuplato
- · Replies 1 ·
Solve Circular Motion: Speed of Point P & Ratio of Lift to Weight
- Harmony
- · Replies 3 ·
Calculating Fluid Eflux: The Impact of a Cylindrical Tank on a Platform
- alamin
- · Replies 2 ·
Far out free response concerning motion
- DaMastaofFisix
- · Replies 2 ·
How Do You Calculate Charge Magnitude Using Coulomb's Law?
- HobieDude16
- · Replies 1 ·
Calculating Current in a Series Circuit with Inductance and Resistance
- alamin
- · Replies 1 ·
Maximizing Projectile Range: Motorcycle Daredevil Bus Jump
- gsr_4life
- · Replies 3 ·
Energy Questions? Solve Problems Now
- yosup231
- · Replies 17 ·
Regarding another momentum problem
- Zuloft
- · Replies 1 ·
Simple Physics Question: Gravity-Based Pushup Difficulty Explained
- fedude
- · Replies 6 ·
Electric Fields and vertical deflection
- nick85
- · Replies 3 ·
Coloumbs Laws and electric fields
- SS2006
- · Replies 4 ·
What Is the Derivative of This Gravitational Potential Energy Function?
- dvvz2006
- · Replies 1 ·
How Long Does a Jumping Fish Take to Pass a Point Above Water?
- CaveatLector
- · Replies 16 ·
I'm sure your're sick of me by now, but heres my question
- sabre252
- · Replies 3 ·
Forces and Kinematics Problem - Am I right?
- blockitoff
- · Replies 24 ·
Interference of Light: Explaining Transparency & Opacity
- SwAnK
- · Replies 3 ·
Calculate the speed of each particle
- hshphyss
- · Replies 1 ·
Is the Torque Calculation in the Picture Correct?
- Lorens
- · Replies 1 ·
Understanding Airplane Electrical Shocks and Car Chain Drag: Physics Explained
- wasdwasd
- · Replies 2 ·
Cat & Mouse Chase: Who Will Win?
- iceman632
- · Replies 3 ·
Help me on my assingment on vibrations & wave
- efebest
- · Replies 1 ·
Problem to understand how the power is distributed
- Lorens
- · Replies 5 ·
Thermodynamics and Gas expansion
- InfernalAsylum
- · Replies 1 ·
Ctrostatics, Gauss’s Law, and Potential
- Shay10825
- · Replies 5 ·
How Do Tractor Forces Combine When Pulling at an Angle?
- balletprincess34
- · Replies 7 ·
Calculate Electron Charge in 0.6 kg of Water
- Punchlinegirl
- · Replies 2 ·
Can Teenagers Pick Up Game Diamonds Faster Than Adults?
- Pires
- · Replies 1 ·
Moment and Torque Lecture Note - Help Find Text
- Werg22
- · Replies 3 ·
Unravelling the History of Sin, Tan and Cos
- runicle
- · Replies 1 ·
Calculating Tension in a Two-Block System
- sweet877
- · Replies 2 ·
Urgent: Finding time of death (without using calculus)
- an_mui
- · Replies 4 ·
What is the formula for the 3D trajectory of a curving ball?
- mariokan
- · Replies 2 ·
Figure Eight Trajectories for Spacecraft: Potential Energy Calculation
- dvvz2006
- · Replies 1 ·
Confused on how to find current also why is this resistor labled +/- not -/+
- mr_coffee
- · Replies 2 ·
Another Phys with Calc problem
- frankfjf
- · Replies 1 ·
Some electric charge and force questions on how to set them up
- kevinlikesphysics
- · Replies 2 ·
Explaining the Infinite Reflection of a Pencil in Mirror Photography
- intimidckfan
- · Replies 1 ·
Calculating Flow Rate in Syringe
- Rizer
- · Replies 5 ·
Clifford Algebras & Physics: What do You Think?
- Plat00n
- · Replies 2 ·
Electrostatic Equillibrium Question
- vg19
- · Replies 5 ·
Simple Beam Problem: Solving for Vertical Forces and Symmetry in Mechanics
- Demian^^
- · Replies 3 ·
What would the acceleration-time graph of throwing up a ball look like?
- opticaltempest
- · Replies 1 ·
Calculating Water Friction for Dropped Objects
- waterfriction
- · Replies 5 ·
Calculating Rotational Kinetic Energy with Unknown Radius and Mass
- hippolyta2078795
- · Replies 2 ·
Highschooler Needs Help with Vector Addition: Solving for B and C
- kooaznboi1088
- · Replies 7 ·
Solving Energy - Rotation Problem: Step-by-Step Guide
- Benny
- · Replies 4 ·
Having a problem with a fairly early Physics with Calculus 1 problem
- frankfjf
- · Replies 4 ·
Find the magnitude of the electrostatic force
- DeadxBunny
- · Replies 1 ·
Angular Velocity of Hand Crank & Axle
- hippolyta2078795
- · Replies 1 ·
Butterfliies and physics?PLEASE READ DESPRATE
- zee_girl
- · Replies 12 ·
Calculating Work Required to Submerge Gas at Constant Temperature and Pressure
- [imagine]
- · Replies 3 ·
Understanding Phase Velocity in Optical Fibers
- dervast
- · Replies 4 ·
Force and change in momentum with time
- chowyo123
- · Replies 5 ·
Quantum - potential difference problem.
- Physics103
- · Replies 2 ·
Calculating Equilibrium Position for a Particle with Given Potential Energy V(x)
- square_imp
- · Replies 9 ·
Helixes and Magnetism: Understanding the Right Hand Rule
- runicle
- · Replies 3 ·
Special Relativity: Finding Particle Speed
- Geoff
- · Replies 12 ·
How Is Work Calculated When Stretching a String into an Equilateral Triangle?
- GregA
- · Replies 1 ·
What is the solution to the Ferry Boat HW Problem?
- flyingdonkey21
- · Replies 8 ·
What happens to energy levels when electrons collide with an atom?
- Millan
- · Replies 3 ·
How Does Charge Density Influence Electric Field and Acceleration?
- industry86
- · Replies 4 ·
How Much Stopping Distance Does Sally Need on Her Bicycle?
- hollabackgirl
- · Replies 10 ·
Vector Calculations for Pilot and Hobo Travel
- blondie26
- · Replies 15 ·
Forces on Negative Charge in 4-Charge Square System
- Punchlinegirl
- · Replies 5 ·
Calculating Initial Acceleration: 63g Particle, 59μC Charge
- Punchlinegirl
- · Replies 3 ·
Electron released into electric field
- that1grrl
- · Replies 4 ·
Confused on concept of finding voltage drop across a resistor
- mr_coffee
- · Replies 3 ·
Calculate Magnitude of q & Electric Field Strength for Na+ & Cl- Ions: 0.24nm
- sci0x
- · Replies 1 ·
HELP Need answer to this force due to charge problem
- matt85
- · Replies 1 ·
Why does zero average velocity equal zero displacement?
- opticaltempest
- · Replies 12 ·
Evaluating Volume of Curved Wedge Cut from Cylinder
- PhilthyPhil
- · Replies 1 ·
Project on transistors and how they work
- runicle
- · Replies 6 ·
How to Solve Basic Kinematics Problems: Tips and Tricks
- don123
- · Replies 4 ·
What is the efficiency of the aircraft engines in this scenario?
- endeavor
- · Replies 4 ·
Calculating Electrostatic Force on a Particle with Coulomb's Law
- Punchlinegirl
- · Replies 2 ·
Calculating Acceleration: Understanding Newton's Second Law
- kitkat
- · Replies 6 ·