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 Is Tension Calculated in a Pulley System with Multiple Masses?
- mparsons06
- · Replies 1 ·
Kinematic Motion: How Far and How Fast Does Tina Drive Before Passing David?
- optoracko
- · Replies 1 ·
Force Problem of normal force of the table
- mullets1200
- · Replies 1 ·
How to calculate work from force applied at downward angle and friction
- Chris Mexas
- · Replies 1 ·
Light waves represented by coils
- phyzwiz69
- · Replies 1 ·
Help with proving the parallel axis theorem
- jolt527
- · Replies 6 ·
Solving Physics Problem - Wrong Answer for F2
- Ryuk1990
- · Replies 7 ·
Find the x-component of the magnetic force on the wire
- Charanjit
- · Replies 2 ·
Regarding calculation of sound wavelenth
- angeeya
- · Replies 4 ·
Find Inductance: Lab Experiment & Graph Analysis
- mathman44
- · Replies 2 ·
Finding electric field from two point charges at point P
- RonakPat
- · Replies 5 ·
Centripetal force exerted on Earth
- electronicxco
- · Replies 2 ·
How Does Air Temperature and Pressure Affect Density Calculations?
- Claire_01
- · Replies 1 ·
How Far Do Dishes Move During a Tablecloth Trick?
- bhatch1
- · Replies 2 ·
Electric circuit - time constant to charge
- seb26
- · Replies 6 ·
Rubber Band Powered Mass Transporter
- Zephyr
- · Replies 2 ·
Electric Potential- quick question about process
- SuperCass
- · Replies 3 ·
Pushing blocks - static friction, force, and accel
- mybrohshi5
- · Replies 21 ·
Three Pool Balls Homework - Find Final Velocities
- atarr3
- · Replies 1 ·
Help with finding parallel vectors
- Aske
- · Replies 5 ·
How Does Wind Speed Affect Airplane Navigation?
- barthayn
- · Replies 3 ·
Find the accleration of gravity on planet Zircon.
- zeromodz
- · Replies 1 ·
Electric field of a linear charge on the axis of the line segment
- MyAmpsGoTo11
- · Replies 2 ·
Deflection in a CRT: Problem more than halfway solved, stuck
- SuperCass
- · Replies 4 ·
What is the relationship between Hooke's law and compression?
- Kamilan
- · Replies 2 ·
Conceptual question: translational and rotational equilibrium
- laica
- · Replies 2 ·
Radiation Problem: Solving Homework to Maintain 47°C for Bees
- lordloss
- · Replies 1 ·
Calculating Mass Using Standing Waves on a Suspended Wire
- physnoob
- · Replies 1 ·
Calculating Net Work on a Moving Cargo Canister: Easy Homework Problem 1
- MFlood7356
- · Replies 7 ·
Question regarding errors & uncertianty
- SimpliciusH
- · Replies 3 ·
How is Energy Defined for a Massless Particle?
- khkwang
- · Replies 2 ·
How to Calculate Mechanical Energy Lost During a Fall?
- zelda1850
- · Replies 2 ·
Young's Modulus - estimate elastic limit
- ZedCar
- · Replies 7 ·
How Does Kirchhoff's Loop Rule Apply to Multi-Battery, Multi-Loop Circuits?
- r_swayze
- · Replies 1 ·
Need Help with a HW problem if anyone would be so kind
- Bryan9129
- · Replies 6 ·
Solve Force on Wheaties Box from Cheerios Box: Mass, Friction, & Force
- mcg5132
- · Replies 1 ·
Circuits with Series/Parallel Wiring
- r_swayze
- · Replies 3 ·
How Does a Pulley Find Its Equilibrium Position in a Static System?
- benf.stokes
- · Replies 2 ·
Can Somebody Check My Work For Me? Circuits
- mmmboh
- · Replies 5 ·
Easy Question on Magnetic Force of Electron
- alvarez16
- · Replies 1 ·
Using kirchoffs laws to find current
- victoriafello
- · Replies 15 ·
Coulomb's Law & Charge: Deriving Q Formula
- dom192
- · Replies 1 ·
Find Eigenvalue: Solutions for Beginners
- stagger_lee
- · Replies 1 ·
Change in gravitational potential energy for satellite at 35,786 km altitude
- sheepcountme
- · Replies 7 ·
Box Acceleration with Multiple Forces
- allora_97
- · Replies 2 ·
How Does Mass Affect Acceleration and Deceleration in a Lorry?
- RoryOBigtool
- · Replies 3 ·
Can Fish Reach Sonic Boom in Water?
- dymand68
- · Replies 2 ·
Calculating Headstart for a Cheetah Chasing an Antelope
- aydemir
- · Replies 2 ·
Calculating the Distance Traveled by a Falling Object on an Airplane
- waterwalker10
- · Replies 2 ·
Truck Average Velocity Calculation - 400m North, 300m East in 80s and 70s
- ƒ(x)
- · Replies 7 ·
Find Velocity for Parametric Equations with t = 2s
- the pro
- · Replies 4 ·
Solving String SHM in Homework: Period & Speed
- Chewy0087
- · Replies 5 ·
Solving for Kinetic Energy on an Inclined Plane
- zelda1850
- · Replies 8 ·
Solving the Physics of an Object's Slide
- barthayn
- · Replies 13 ·
How Do Electric Fields Affect Electron Kinematics?
- jpierce879
- · Replies 3 ·
Centripetal Motion on a Semi-Rollercoaster
- Procrastinate
- · Replies 1 ·
Huygens' Principle: Exploring a Single Slit Experiment
- Toby_Obie
- · Replies 1 ·
Simple Pendulum Problem: Finding Tension in the Connecting Rod
- demonelite123
- · Replies 3 ·
How to find solar insolation in the IR spectrum
- pondwire
- · Replies 1 ·
Projectile Motion with different starting and ending heights
- kayman121
- · Replies 3 ·
What is the Net Force on a Block on a Moving Incline?
- AirForceOne
- · Replies 12 ·
Anybody know the formula for the Magnus Effect?
- plutonyum94
- · Replies 1 ·
Steel ball floating due to surface tension?
- magnusbarclay
- · Replies 4 ·
Particle in Motion | Position at t = 2.70 s and t = 2.70 s + Δt | x = 6t^2
- GlobalDuty
- · Replies 1 ·
Simple Free Body Force Diagram + Friction Question
- Procrastinate
- · Replies 7 ·
How Is Kinetic Friction Calculated in Skier's Uphill Motion?
- onyxorca
- · Replies 4 ·
Calculating Resistance in a Circuit: Easy Physics Problem Solution
- alvarez16
- · Replies 1 ·
What is the capacitance of the two metal spheres
- hover
- · Replies 6 ·
What is the Electric Field in a Hollow Sphere with a Point Charge at the Center?
- reising1
- · Replies 5 ·
Why Does Light Refract and Bend: Q's Answered
- Jamez
- · Replies 5 ·
How Do You Calculate the Density of a Proton?
- GlobalDuty
- · Replies 2 ·
Kepler's Third Law satellite problem
- bonekrushur
- · Replies 2 ·
Calculating Mass and Force: A Pulley Problem
- redlightgreen
- · Replies 2 ·
What Is the Electric Field Near a Charged Rod?
- DeadFishFactory
- · Replies 3 ·
Can you solve for tension using these formulas?
- electronicxco
- · Replies 1 ·
Tension on two cables holding a weight
- bran8015
- · Replies 2 ·
Designing an AC Ammeter: How to Find the Appropriate Resistance?
- noobie!
- · Replies 1 ·
Kinetic Energy of Molecules Escaping Through Hole
- TheAmorphist
- · Replies 1 ·
Electric Field value at distances from charge or plate.
- Blaze3742
- · Replies 3 ·
Jumping off the front of a boat
- fish399
- · Replies 4 ·
How do I calculate the work done by gravity on a tossed ball?
- Staerke
- · Replies 2 ·
Calculating Tensions in a Two-Rope System Supporting a Steel Beam
- Cursed
- · Replies 3 ·
Balmer, Lyman, and Paschen series
- warfreak131
- · Replies 4 ·
Calculate INERTIAL MASS of proton traveling close to speed of light
- LBRRIT2390
- · Replies 2 ·
Solve Homework: Determine Max L2-L1 for Runner 1 to be Faster
- GunnaSix
- · Replies 1 ·
How Do You Calculate the Total Acceleration of a Car on a Circular Path?
- jab2102
- · Replies 1 ·
Magnetostatics - Rotation of circular disc
- Keano16
- · Replies 2 ·
Checking Vectors Homework: Acceleration to Distance
- Awsom Guy
- · Replies 13 ·
Finding the Minimum Distance Between Two Projectiles in Projectile Physics
- aim1732
- · Replies 2 ·
Solving the Physics Puzzle: Cycling and Driving Velocities
- twenty-ten
- · Replies 2 ·
Particle in Stable/Unstable Motion, Find Frequency of Oscillation
- Oijl
- · Replies 1 ·
Finding Angular Frequency of Small Oscillations about an Equilibrium
- Oijl
- · Replies 1 ·
Launch velocity of the projectile
- Awsom Guy
- · Replies 2 ·
What Are Mesons and Baryons in Particle Physics?
- lampshader
- · Replies 1 ·
Calculating Tensions in a Beam Supported by Two Wires
- y3ahright
- · Replies 3 ·
Need help with two questions, dealing with electricity
- Marcelgluch
- · Replies 1 ·
Thermal energy power station problem
- dymand68
- · Replies 2 ·
Calculating x and y Components of a Force on a Block from Rope Pulling
- cjtaylor
- · Replies 2 ·
Distance as function of velocity
- E&M
- · Replies 4 ·
Two ropes holding a weight. System is in equilibrium, how do I find T3?
- N.C.
- · Replies 2 ·