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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Splitting Molecules and Separating the Atoms
- Luke77
- · Replies 1 ·
Understanding Chaos Theory: Unpredictability in Deterministic Systems
- Luke77
- · Replies 2 ·
Acceleration of a bouncing ball (no calculations needed)
- Feodalherren
- · Replies 8 ·
Which quantities are categorized as vectors or scalars?
- Fox_Hound
- · Replies 1 ·
Football Projectile Motion Homework: Solving for Angle and Formula
- bin-bin
- · Replies 1 ·
Testing Diffraction Theory with a Digital Camera Image
- msbell1
- · Replies 2 ·
Final Temperature of Drink After Adding Ice Cubes
- kachilous
- · Replies 4 ·
Finding the weight supported and at what angle
- Colts
- · Replies 2 ·
Question: What is the difference between e.m.f. and Potential Difference?
- psykatic
- · Replies 26 ·
What Is the Maximum Height Reached by a Falling Brick?
- iMAGICIALoTV
- · Replies 1 ·
Time taken for body under free fall
- Swetasuria
- · Replies 5 ·
Calculating the density of a sphere (uncertainty included)
- AryRezvani
- · Replies 3 ·
Electromagnetic induction on iron core question
- sgstudent
- · Replies 18 ·
Electromagnetism with an iron core
- sgstudent
- · Replies 1 ·
Two blocks -which will hit in lesser time?
- Tanya Sharma
- · Replies 9 ·
How Fast Are the Cars Moving Toward and Away from Each Other?
- Phys student
- · Replies 3 ·
Fluids Problem: Is there a Typo?
- BryMan92
- · Replies 4 ·
Trigonometry and figuring out the length of the hypotenuse
- mariner962
- · Replies 6 ·
What Is the Nature of Dark Matter?
- Luke77
- · Replies 3 ·
How Does the Distance Traveled by the Truck Compare to That of the Car?
- sarah111
- · Replies 4 ·
Determine the Charge on a Particle
- Pruddy
- · Replies 9 ·
What is the maximum altitude of a rocket launched from Earth's surface?
- Ahmed.Sandman
- · Replies 2 ·
Sound wave interference destructive interference problem?
- Douna2nd
- · Replies 4 ·
Solving 2D Motion Problems: Where to Start?
- creativeone
- · Replies 2 ·
How Do You Solve a Cargo Plane's 2D Kinematics Problem?
- creativeone
- · Replies 1 ·
Uncovering Projectile Motion Properties
- creativeone
- · Replies 1 ·
How Much Does Gravity Affect a Baseball's Trajectory Over 18.4 Meters?
- creativeone
- · Replies 1 ·
How Do You Calculate Initial Velocity and Launch Angle in Projectile Motion?
- creativeone
- · Replies 3 ·
Centripetal Motion Problems: Solving for Velocity and Acceleration
- helpmeplease8
- · Replies 2 ·
Qualitative Solid Spherical Conceptual
- roxnascarf9
- · Replies 3 ·
Adaptive Cruise Control: Maintaining a Safe Following Distance
- Dav15
- · Replies 3 ·
Interference by amplitude division (double reflection) for wedges
- A9876
- · Replies 5 ·
Block moving on a circular track-Work energy Circular Motion problem
- Tanya Sharma
- · Replies 34 ·
How to Calculate Distances for a 25° North of East Walk?
- Arooj
- · Replies 3 ·
Acceleration of the helicopter as it starts to rise
- anlenemilk
- · Replies 2 ·
Simple integral of dlnP/dt problem
- UCLphysics
- · Replies 6 ·
How to get a magnitude for polarization force?
- anees7112
- · Replies 8 ·
Standing on a scale at the equator
- Genecks
- · Replies 10 ·
Angular Momentum Conservation in a Rotating System
- assaftolko
- · Replies 6 ·
The Electric Flux on all sides of a cube
- ecsx00
- · Replies 9 ·
Finding magnitude of electric field of a cylinder
- ecsx00
- · Replies 1 ·
The concept of conservation of angular momentum
- assaftolko
- · Replies 1 ·
What is the minimum pressure in an evacuated tank half-filled with 40°C water?
- giacomh
- · Replies 2 ·
Thermo: Need help finding T2 and V2 in an adiabat
- Courtknee
- · Replies 3 ·
Finding the density of a hydrogen proton
- AryRezvani
- · Replies 3 ·
Mass of object during heat exchange
- v3ra
- · Replies 7 ·
Isobaric compression from isotherm to adiabat
- nlingraham
- · Replies 4 ·
Distance using acceleration and time
- mattykay
- · Replies 4 ·
Finding velocity using Galilean Transformations
- DODGEVIPER13
- · Replies 2 ·
Energy & Momentum Thinking Problem
- Nicolaus
- · Replies 3 ·
How Do You Calculate Time from Velocity and Distance in Physics Problems?
- Buzur
- · Replies 2 ·
Fluid mechanics. Plate pulled within viscous fluid.
- thepatient
- · Replies 1 ·
Tough Physics integration problem dealing with kinematics.
- lorenzosounds
- · Replies 3 ·
Vector airplane distance problem
- bdh2991
- · Replies 6 ·
Astronomy - synodic/sidereal periods
- accountkiller
- · Replies 2 ·
Unusual question about magnets with same poles.
- Dobbie
- · Replies 4 ·
Collision of two balls where some kinetic energy is lost
- hms.tech
- · Replies 7 ·
Calculating Velocity and Position with Constant Acceleration
- Warcus
- · Replies 6 ·
Odd projectile motion question.
- letsfailsafe
- · Replies 5 ·
Projectile Motion: Calculating Range, Maximum Height, Speed & Angle
- miley1234
- · Replies 4 ·
How Does Angular Momentum Affect Torque in a Suspended Hoop?
- decerto
- · Replies 3 ·
How Does Small y and d Affect the Difference Between r2 and r1 in Physics?
- A9876
- · Replies 1 ·
How Far Will the Glass Travel After Falling Off the Bar?
- quack91
- · Replies 1 ·
Work done by cyclic process (thermodynamics)
- cpatel23
- · Replies 2 ·
Help Solving Automobile and Train Problems
- fphysicsclass
- · Replies 25 ·
How Many Children in Year 8 Play Instruments?
- Natasha1
- · Replies 4 ·
The Magnitde of Fc: Graphically
- Mosaness
- · Replies 4 ·
Swimmer's velocity relative to the shore (vectors)
- ulfy01
- · Replies 3 ·
How many people needed to excite the lift cable to the 15th harmonic?
- A9876
- · Replies 15 ·
Derivatice of Complex Impedance
- Opus_723
- · Replies 4 ·
Physics help-Sources of errors and limitations
- Shordaay
- · Replies 4 ·
Motorcycle trooper overtaking a car.
- DatAshe
- · Replies 4 ·
Car Collistion using conservation of momentum
- Celestial92
- · Replies 4 ·
Coulombs Law: magnitude of the force between two point charges
- Pruddy
- · Replies 14 ·
Power output of a coal burning power plant
- SeanWade
- · Replies 2 ·
Solving for the Angle Between Vectors A and B
- LVanderlinden
- · Replies 2 ·
Two particles moving in circular orbits stopped suddenly. time to collide
- cler
- · Replies 7 ·
Analyzing the Leaning Tower of Pisa: Solving for C1 and C2
- unscientific
- · Replies 28 ·
How Many Neutral Points Exist Inside a Square with Four Fixed Charges?
- humanist rho
- · Replies 14 ·
Thermo question, two methods of changing volume/temp
- Greger
- · Replies 13 ·
Why is the cm frame beneficial for collisions?
- aaaa202
- · Replies 4 ·
How can the natural frequency of a stationary cylinder be determined?
- Ry122
- · Replies 3 ·
Circular Movement: Does Velocity Matter?
- aaaa202
- · Replies 2 ·
Problem With Cylinder Involving Mass and Volume
- The James
- · Replies 1 ·
Conceptualization of Free Falling Objects
- naturegal9
- · Replies 1 ·
Missile Defense System - Collide Missiles
- kchurchi
- · Replies 3 ·
Magnification of an Image formed by a converging lens
- fordy314
- · Replies 4 ·
What is the value of C2 when charged by a battery and connected to C1?
- PeachBanana
- · Replies 4 ·
[Point Charges] Can't figure this out
- Gr33nMachine
- · Replies 7 ·
How to find a speed when only a speed and velocity are given?
- DatAshe
- · Replies 4 ·
Work done on steam during phase change?
- XianForce
- · Replies 4 ·
Electricity Question for Unit 2 Edexcel
- gangnamstyle
- · Replies 3 ·
3 projectiles, same velocity, different distance, same destination
- Nexum1
- · Replies 15 ·
What Happens to Electron and Photon Energies in a 90-Degree Compton Scattering?
- Xyius
- · Replies 15 ·
Is It True or False About Acceleration, Velocity, and Position?
- kchurchi
- · Replies 6 ·
Calculating Speed of q: Point Charge Q Loses Charge
- sweetpete28
- · Replies 7 ·
Pressure after Pump with -0.4[bar], 0.8x104[N/m3], 3[m/s], D1/D2=1.4, HP=30[m]
- Karol
- · Replies 3 ·
Statistics of charged beads in electric field
- Beer-monster
- · Replies 3 ·
How Do You Calculate Displacement from Dallas to Chicago Using Vector Addition?
- bdh2991
- · Replies 5 ·