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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I am lost, how do I find tension of a rope given A and M?
- Dante
- · Replies 4 ·
Solving for Time: Piano Falling Down Ramp
- blee2x2
- · Replies 2 ·
Rubber duckie dropped from ascending balloon
- icurryx3
- · Replies 11 ·
Charge Distribution in Nonconducting Shell System
- kilnvzol
- · Replies 6 ·
How do significant digits work in physics calculations?
- Jayak
- · Replies 2 ·
Equation of motion and Calculus
- Jamie S
- · Replies 13 ·
Specific heat/equilibrium in three component system (Thermo)
- RadiumBlue
- · Replies 4 ·
How do you find tension and friction on an inclined plane
- Leah200
- · Replies 31 ·
Manually integrating to find flux through hemisphere
- yango_17
- · Replies 8 ·
How Much Velocity Can a Spacecraft Gain by Shooting Xenon Ions?
- sander2798
- · Replies 2 ·
Solving 2D Force Systems for Calculating Equilibrium
- Oxford365
- · Replies 12 ·
Speed of Train B: Solving Physics Homework
- Starsfall
- · Replies 6 ·
How Fast Was the Car Going Before Braking?
- r26h
- · Replies 7 ·
Force Problem - How do i get the inclination?
- rose123456789
- · Replies 15 ·
How Do You Continue the Proof for the Dyadic Product in Fluid Dynamics?
- Feodalherren
- · Replies 13 ·
Charge moves through a circuit element and loses energy
- Westin
- · Replies 1 ·
How Far Will a Car Travel Before Stopping Without ABS at 115.2 km/h?
- David Donald
- · Replies 5 ·
How is uncertainty presented in physics?
- MBBphys
- · Replies 1 ·
Electric Field of Continuous Charge Distributions
- roinujo1
- · Replies 7 ·
Velocity of point rotating on a wheel as the wheel moves
- Psip
- · Replies 5 ·
Does the acceleration of a free falling object ever change?
- EricMatthew
- · Replies 9 ·
Why are spokes used in bicycle wheels?
- takando12
- · Replies 6 ·
Determine from the time / height graph the speed at point
- moenste
- · Replies 7 ·
Requirements for an observable pattern in young's experiment
- Andy123
- · Replies 2 ·
Thermofluids question, saturated water, piston-cylinder.
- CeilingFan
- · Replies 1 ·
How Is Wind Power Calculated from Wind Speed and Turbine Size?
- TrisL
- · Replies 6 ·
Identical Hollow and Solid Spheres
- cassie123
- · Replies 4 ·
Determine maximum weight and angle for equilibrium
- reigner617
- · Replies 11 ·
Weights and pulleys in harmonic motion
- Karol
- · Replies 43 ·
Rope hanging from a table, find time taken to fall off table
- Better WOrld
- · Replies 12 ·
Average speed over time interval
- wein7145
- · Replies 9 ·
Is my displacement graph for Darryl's four-leg journey correct?
- ElegantSir
- · Replies 2 ·
Whether equations work to describe motion
- PAstudent
- · Replies 3 ·
Acceleration question (should be easy?)
- David Donald
- · Replies 3 ·
Laplace's Equation and the potential above the xy-plane
- SquidgyGuff
- · Replies 8 ·
Vector addition angle calculation error
- Josh Eiland
- · Replies 20 ·
2 blocks collide, 5% energy loss. 2 answers, which correct?
- Ocata
- · Replies 4 ·
Problems with Power only using velocity and force
- Psip
- · Replies 2 ·
Finding velocity and acceleration from x(t) = -t³ + 6t - 12
- ilanmichaeli
- · Replies 12 ·
Finding initial vertical velocity given acceleration
- freshyy
- · Replies 1 ·
What is a potential? Specifically, an electrostatic potential
- MBBphys
- · Replies 1 ·
Velocity and Acceleration questions
- Dillion
- · Replies 7 ·
Solving for Electric Potential Difference in Square diagram
- Matthew B.
- · Replies 2 ·
2 Port analysis of series Inductor (Simple)
- Xyius
- · Replies 1 ·
Solving for Charge of Particles on X-axis
- Matthew B.
- · Replies 8 ·
How Long Should Rockets Fire to Rotate a Space Station?
- ft92
- · Replies 4 ·
First law of thermodynamics for laptop cooling fan system
- Luchekv
- · Replies 24 ·
Moment of a force about point A using 3D vectors
- LeftBrain
- · Replies 3 ·
Why Can't I Resolve Forces Upward?
- goldfish9776
- · Replies 5 ·
How does friction affect the acceleration of a box being pulled by a rope?
- David Donald
- · Replies 3 ·
Determine the signs (positive or negative) of the particle
- wein7145
- · Replies 8 ·
Displacement of 1971 Dodge Challenger: 113m?
- ElegantSir
- · Replies 3 ·
Calculating Velocity Components in Moving Frames
- Abdul.119
- · Replies 10 ·
How high and how fast will a 25 kg rocket fly without air resistance?
- David Donald
- · Replies 4 ·
Newtons Laws car deacceleration
- Beanie
- · Replies 4 ·
Work needed to move an Electron
- Krysrhap
- · Replies 3 ·
Electric Field of a Cylinder (Hollow/Solid) at the face
- adenine7
- · Replies 9 ·
How to get a # out of moment of the parallel axis theorm
- pinkfishegg
- · Replies 8 ·
Calculating acceleration of ball rolling down ramp
- xwkkx
- · Replies 6 ·
When should I use a break symbol on a graph axis?
- Jimmy87
- · Replies 4 ·
Linear superposition for electric field
- AKJ1
- · Replies 1 ·
Electric field from line charge using Gauss's law
- TheRedDevil18
- · Replies 4 ·
How can we simplify the normalization equation for a sine wave function?
- Activeuser
- · Replies 4 ·
How Does an Electron's Speed Change Across a Potential Difference?
- Mike_ Howard927
- · Replies 1 ·
What am I doing wrong in this simple pressure calc?
- Bluestribute
- · Replies 6 ·
Direction of Electron in Homogeneous Electric Field
- Fabon
- · Replies 17 ·
Electric field slab, nonuniform charge density
- AKJ1
- · Replies 2 ·
A passenger train is traveling at 27 m/s when the engineer s
- argpirate
- · Replies 4 ·
Angular Velocity of a Charged Disk under Induced Electric Field
- erisedk
- · Replies 4 ·
Electric flux calculation in case of a cylinder
- gracy
- · Replies 9 ·
How Do You Calculate Tension Correctly in a Pivoting Rod System?
- Zynoakib
- · Replies 1 ·
The double Atwood machine has frictionless, massless pulleys
- berkdude022
- · Replies 5 ·
Vector multiplication in static equilibrium
- Zynoakib
- · Replies 4 ·
Elastic collision problem, I to find the mistake
- ft92
- · Replies 3 ·
What Launch Angle Does an Archer Fish Need to Hit Its Target?
- Swansong
- · Replies 7 ·
Finding how long a collision lasts
- Ghost4512
- · Replies 8 ·
Finding time to go up one floor
- astrololo
- · Replies 26 ·
Calculating Thin Film Thickness Using Interference Patterns
- Jimbob999
- · Replies 3 ·
Troubleshooting Physics Homework: Where Do I Go Wrong?
- ft92
- · Replies 2 ·
Taylor expansion of relativistic factor for low-speed satellite
- mch
- · Replies 1 ·
Potential Change in Battery/Resistor System
- CasterlyRock
- · Replies 2 ·
Using The Wave Equation To Solve A Question
- Ben.P
- · Replies 29 ·
Determining Tension & Lift Force for Helicopter & Truck
- avocadoboy
- · Replies 6 ·
Solving a mechanics problem using Newton's equations instead of energy methods
- FrancisClinton
- · Replies 18 ·
Calculating the Speed of a Moving Charge Using Electrostatic Force
- Antonius
- · Replies 4 ·
What Is the Work Done by Normal Reaction Forces on an Inclined Plane System?
- erisedk
- · Replies 13 ·
Sound Waves - Dropping a coin down a well
- Physicsman69
- · Replies 1 ·
Outward speed of salamander tongue
- rgold
- · Replies 7 ·
How can I solve for v(t) when given F=Fo and v(t=0)=0?
- mch
- · Replies 2 ·
Image formed by a plane-concave lens and a concave mirror
- lorele
- · Replies 1 ·
Setting up a Double Integral for Moment of Inertia
- Better WOrld
- · Replies 4 ·
Voltage Gain of Booster Converter at 1kHz and 5kHz
- ToonBlue
- · Replies 5 ·
Maximum current from 72 cells with 1.5V and 1Ω internal resistance
- Nader AbdlGhani
- · Replies 7 ·
Adding waves of the same frequency but different phases
- lcr2139
- · Replies 3 ·
Simulation result vs actual experiment result
- ToonBlue
- · Replies 2 ·
Direction of cartesian equation
- goldfish9776
- · Replies 5 ·
How Do You Calculate CO2 Emissions for Different Transport Routes?
- ElegantSir
- · Replies 2 ·
Static equilibrium involving toque
- Zynoakib
- · Replies 4 ·
Find velocity with projectile and recoil accelerations
- PAstudent
- · Replies 4 ·
Relative Velocity moving sidewalk
- Rose1996
- · Replies 1 ·