Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Strangely difficult log question
- Coldie
- · Replies 6 ·
QUESTION: N.m Torque Calculation for Rotating Square Plate
- gauravkukreja
- · Replies 3 ·
Force on roll of paper - length of paper that unrolls
- physicsss
- · Replies 2 ·
Max Area Rectangle Plot: $1000 Budget
- chjopl
- · Replies 2 ·
Triple Integration for Volume: Finding Intersections and Sketching Functions
- Tarhead
- · Replies 3 ·
Solving Infinite Series Problem with L'Hopital's Rule
- kdinser
- · Replies 5 ·
Pat pulling rope over pulley to lift herself and chair
- newcool
- · Replies 11 ·
How Can You Determine the Principal Moments of Inertia for a Cone?
- Zenshin
- · Replies 2 ·
Rewriting sqrt[(1 + i tan t)/(1 - i tan t)] as cos t + i sin t
- john425
- · Replies 4 ·
Coefficient of kinetic friction on car
- unknownfrost
- · Replies 5 ·
How Is Projectile Motion Calculated in Physics?
- kmotoao
- · Replies 2 ·
How Large Can a Pulsar Be Before Its Surface Exceeds Light Speed?
- akane
- · Replies 6 ·
Hammer thrower - Angular acceleration
- physicsss
- · Replies 2 ·
What Are the Standard Rf Values for Plant Pigments in Spinach Chromatography?
- majinknight
- · Replies 2 ·
Shadow length and cone height related rates problems
- JasonJo
- · Replies 5 ·
At what angle does a skier lose contact with a frictionless snowball?
- eil2001
- · Replies 2 ·
Forces on plank with box and hollow ball rolling down incline
- buffgilville
- · Replies 8 ·
Moment of inertia of a sphere about a tangent axis using parallel-axis theorem
- envscigrl
- · Replies 2 ·
Running Speed Calculation for 62.5 kg Runner - 65.4 W Race
- nazarip
- · Replies 2 ·
Meriam Engineering Dynamics 5th ed.
- Will
- · Replies 2 ·
1000N crate pushed and pulled at 20 degrees: finding friction and acceleration
- jlshoop
- · Replies 2 ·
How Do Oxygen Molecule Quantities Differ in Two Physics Problems?
- jaidon
- · Replies 2 ·
Creative Physics Photo Ideas for Grade 11 Class
- TheShapeOfTime
- · Replies 2 ·
Is Function f(x) Differentiable at x = 4?
- ziddy83
- · Replies 2 ·
Why Is Calculating the Moment of Inertia for a Wagon Wheel Complex?
- envscigrl
- · Replies 2 ·
Solid Ball Problem: Kinetic Energy Calculation
- envscigrl
- · Replies 2 ·
Solving Integration and Work Problems in 1st Year University
- mspaic
- · Replies 11 ·
How to Calculate the Power of a Truck Traveling Uphill at 100 km/h?
- sp00ky
- · Replies 2 ·
Unit Test Review: Elevator Speed Calculation
- physicsgrade11
- · Replies 5 ·
How Do You Calculate Physics Machine Efficiency and Power?
- Nikki196
- · Replies 2 ·
How Far Can the Block Be Placed on a Rotating Turntable Without Sliding Off?
- siralan
- · Replies 2 ·
Finding integration limits for a joint normal probability region
- acgold
- · Replies 3 ·
Resistive force on a water skier at constant velocity
- mattx118
- · Replies 12 ·
Magnetic flux and emf as bar magnet passes through coil
- stunner5000pt
- · Replies 2 ·
Linear transformations and rotations
- phy
- · Replies 7 ·
Why Does My Calculation of Big Ben's Angular Momentum Keep Going Wrong?
- Cyrad2
- · Replies 2 ·
11000=12184/9n co-efficient of friction?
- EIRE2003
- · Replies 2 ·
How Can Friction Impact the Movement of a Chain Off a Table?
- gaborfk
- · Replies 2 ·
What is the Relationship Between Mu and Theta in the Inclined Plane Problem?
- tricky_tick
- · Replies 5 ·
Solving Differential Equations: Did I Do It Right?
- AKG
- · Replies 0 ·
Why Don't We Feel a Shock from Sunlight's Electric Field of 860V/m?
- phy
- · Replies 2 ·
Finding release angle from pendulum velocity and mass
- thslacker
- · Replies 2 ·
How many Yurbles at the party with 141 monsters and 350 socks?
- majinknight
- · Replies 6 ·
Deriving the L+-L- Formula in Quantum Mechanics
- venusfly
- · Replies 2 ·
Understanding Conceptual Questions for Exam - Physics 101
- cougar_21
- · Replies 4 ·
Why is the slope of the Fa graph not equal to m in this Atwood machine setup?
- Guru3
- · Replies 2 ·
How Does Electromagnetic Braking Work?
- physicsguy
- · Replies 2 ·
Car with tangential acceleration equal to centripetal acceleration
- jevans
- · Replies 2 ·
Converting torque and rpm to power in watts and horsepower
- alfmaniac
- · Replies 2 ·
Graphing mean, absolute uncertainity, etc
- iamhumble
- · Replies 1 ·
Solving Part C of Jerry's Skateboard Problem
- butz3
- · Replies 2 ·
Why is log(x^n) = n log(x)?
- nobb
- · Replies 5 ·
Calculating Tension: Basic Formula?
- ScienceGirl502
- · Replies 2 ·
What is the height at which the small object loses contact with the spheroid?
- vabamyyr
- · Replies 3 ·
Angular speed of two stars rotating about their common center of mass
- alamin
- · Replies 2 ·
How do you find an orbital radius from mass and orbital period?
- Format
- · Replies 12 ·
How Does Mechanical Energy Explain a Bungee Jump?
- tre2k3
- · Replies 3 ·
Solving f(x) Without Derivatives, Limits, or Integrals
- Omid
- · Replies 8 ·
Elastic Collision - Scattering
- arunma
- · Replies 2 ·
How can I solve for the velocities of two balls after an off-center collision?
- TraceBusta
- · Replies 2 ·
Find Line Intersection: Symmetric Equations
- Parth Dave
- · Replies 2 ·
Find Distance from Base to Center of Mass of Ladder
- buffgilville
- · Replies 2 ·
How Do You Calculate the Height of a Rock at Half Its Initial Speed?
- BRETTISRAD
- · Replies 2 ·
How Does Friction Affect the Maximum Speed of a Projectile in a Toy Cannon?
- Moszzad
- · Replies 19 ·
Finding Equilibrium Forces: Are My Vector Calculations Correct?
- IGeekbot
- · Replies 3 ·
Calculating Wheel Revolutions with Rotational Kinematics
- SnowOwl18
- · Replies 6 ·
Why Does Differentiating Arctan(x^2-1) + Arccsc(x) Yield Zero?
- Simfish
- · Replies 3 ·
Linear speed and reaction forces
- aneima6
- · Replies 5 ·
How Do You Calculate Electric Potential Inside a Nonconducting Sphere?
- stunner5000pt
- · Replies 2 ·
Solving Momentum Problem: 10 g Bullet & 10 kg Wood Block
- mattward70
- · Replies 6 ·
How Deep Will a Bullet Penetrate a Block on a Frictionless Surface?
- hauthuong
- · Replies 6 ·
How Does Adding a Weight Affect the Center of Mass of a Wheel?
- lmf22
- · Replies 2 ·
Finding the Sum of a particular Power Series
- DivGradCurl
- · Replies 2 ·
Angular momentum of the earth's orbit
- aneima6
- · Replies 8 ·
Suggestions on Forces/Kinetic Problem
- dekoi
- · Replies 2 ·
What Insights Can Be Derived from a Hall Voltage Versus Temperature Graph?
- Emc2brain
- · Replies 9 ·
Atwood machine with friction on one block
- natalydj83
- · Replies 1 ·
Does Schaum's Offer a University-Level Electronics Practice Book?
- JamesJames
- · Replies 2 ·
Minimum cost to enclose 3000 sq ft garden with shrubs and fencing
- mugzieee
- · Replies 3 ·
Short definition of young's modulus?
- benhorris
- · Replies 3 ·
How Do You Calculate Angular Acceleration from RPMs?
- ginaoh
- · Replies 3 ·
How Does Friction Impact Work and Energy in Physics Problems?
- 7C0A0A5
- · Replies 2 ·
Solve Pendulum Hitting Peg Problem with Conservation of Energy
- katyushak
- · Replies 16 ·
How can I standardize a given harmonic wave function?
- triplezero24
- · Replies 2 ·
Analysis Problem (proving differentiability at a point)
- AKG
- · Replies 2 ·
How Do You Minimize Work on an Inclined Plane?
- tricky_tick
- · Replies 1 ·
Finding zeros and factoring 32x^4-28x^3+113x^2-112x-60
- NickK
- · Replies 2 ·
Maxwell equations and Poynting vector for plane EM waves
- AXIS
- · Replies 11 ·
Quantum harmonic oscl. half space potential
- YZer
- · Replies 2 ·
Is my solution right or wrong ?
- Sanosuke Sagara
- · Replies 5 ·
Calculating Ball Velocity with Unit Vectors
- UrbanXrisis
- · Replies 3 ·
Solving Package A's Motion w/ Newton's 3rd Law
- FancyNut
- · Replies 4 ·
Drawing FBD for object inside elevator
- jhson114
- · Replies 3 ·
Adding/Subtracting Vectors - Resultant Magnitude Change?
- zero1520
- · Replies 2 ·
Stopping force for 850kg car moving at 110km/h
- physicsgrade11
- · Replies 5 ·
Calculating Relative Speed in One-Dimensional Collisions
- Pythagorean
- · Replies 3 ·
Do These Solutions Accurately Solve Basic Momentum Problems?
- justagirl
- · Replies 2 ·
Momentum and Conservation of Momentum
- PhysicPsychic
- · Replies 2 ·
Bullet fired into block attached to spring - finding impact speed
- doxigywlz
- · Replies 8 ·