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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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 ·
speed of point charge q when fixed Q loses charge at constant rate
- 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 ·
Speed of two repelling point charges released from rest
- PeachBanana
- · Replies 8 ·
One Dimensional Motion Question
- Bahadar
- · Replies 4 ·
Use Newtonian Model to determine what the scale reads
- xyphr
- · Replies 1 ·
Solve physics problem using trigonometry knowing what are you doing
- blob84
- · Replies 5 ·
Why does a rotating chain become horizontal?
- Lindsayyyy
- · Replies 2 ·
Can't use a simple integral properly-must be retarded
- cantRemember
- · Replies 5 ·
Angular displacement of a curve ball
- jmgXD6
- · Replies 8 ·
How Much Sand Equals the Surface Area of a Cube?
- djkinney
- · Replies 3 ·
What Determines the Motion of a Hockey Puck on a Frictionless Surface?
- Demmy
- · Replies 26 ·
Calculating Distance for a 15 Minute Lead: Kinematics Question Explained
- jesusu2
- · Replies 4 ·
Calculating Walking Speed Based on Average Velocity and Distance Traveled
- yeahman68
- · Replies 6 ·
Find magnitude of a force on a ring.
- Colts
- · Replies 17 ·
Laying on the beach while sunseting question
- djkinney
- · Replies 12 ·
Collision of a stationary ball with a moving ball
- hms.tech
- · Replies 3 ·
How Far Will You Travel Before Catching Up with the Biker?
- Butterfly30
- · Replies 2 ·
How to Design a Digital System for Multiplying Binary Numbers?
- rumbidzayi
- · Replies 1 ·
How to find power of an engine in UCM?
- chrishans
- · Replies 1 ·
What Is the Relationship Between Temperature, Magnitude, and Scalar Quantities?
- Genecks
- · Replies 2 ·
1st Law of Thermo, work in a piston.
- twmggc
- · Replies 3 ·
Electric field intenstity of a cube
- navya17
- · Replies 1 ·
What are the physics behind quantum computing?
- sick1
- · Replies 4 ·
Velocity and acceleration and drag
- marco12345a
- · Replies 6 ·
Show that y(x,t)=y1(x,t)+y2(x,t) is a solution to the wave equation
- Duderonimous
- · Replies 4 ·
Acres to miles: conversion problem (book error?)
- Genecks
- · Replies 1 ·
Final temperature in reversible expansion
- twinklestar28
- · Replies 2 ·
Electric field magnitude between two charged disks
- mateo710
- · Replies 4 ·
Can you simplify dimensional analysis for me?
- therealDR.DOG
- · Replies 4 ·
Computing the angles of Vector to x,y,z axisses
- LVanderlinden
- · Replies 2 ·
How can we determine the biggest magnetic force on a wire?
- songoku
- · Replies 7 ·
Power consumption of a human running
- arkturus
- · Replies 3 ·
Why are reference angles necessary in trig
- Luke77
- · Replies 4 ·
[Electric Charge Force] I swear I'm doing this right.
- Gr33nMachine
- · Replies 4 ·
Simple math problem in one dimension
- Slusho
- · Replies 1 ·
Checking sources of error in five lab experiments
- Shordaay
- · Replies 2 ·
Resultant force from three forces.
- Colts
- · Replies 2 ·
Displacement vs distance in airplane, figure skater, and quarterback problems
- Girl@NCSU
- · Replies 1 ·
Second Half of a Trip - Speeding tickets
- kchurchi
- · Replies 7 ·
How many ping-pong balls fit in a room?
- albinoboy
- · Replies 10 ·
How Can I Learn Vector Basics for Physics Homework?
- chewykid92
- · Replies 5 ·
Nonuniform Volume Charge in a Cylinder
- ur5pointos2sl
- · Replies 14 ·
Energy Stored Charge Configuration w/ Picture
- PeachBanana
- · Replies 11 ·
Magnitude of Displacement for Harmonic Oscillator
- Dortega120
- · Replies 1 ·
Diffraction grating diagram for 520 nm and 630 nm light
- alicia113
- · Replies 1 ·
Proton launched between parallel plates with charge density 36nC/m²
- mcano
- · Replies 6 ·
The moment of inertia of a group of seven pennies
- warfreak131
- · Replies 1 ·
Order of magnitude problem involving the force of repulsion between two persons
- StrawHat
- · Replies 6 ·
Calculating Work Function of Metal in a Photocell
- SirNevermind1
- · Replies 2 ·
Pendulum consists of a rod of mass m attached to a light rod
- cler
- · Replies 1 ·
Finding dimensions of partial derivatives of force with respect to distance
- pyroknife
- · Replies 1 ·
Understanding Conservation of Momentum
- saravananrame
- · Replies 2 ·
Objective problem regarding friction.
- sankalpmittal
- · Replies 14 ·
AP Physics C lab involving incline planes featuring motion laws
- godmodex
- · Replies 2 ·
Angular momentum operator identity J²= J-J+ + J_3 + h*J_3 intermediate step
- xyver
- · Replies 1 ·
How to find/graph instantaneous speed vs time
- Arooj
- · Replies 7 ·
Charging a spherical shell by conduction
- bigplanet401
- · Replies 4 ·
How Is Electric Potential Difference Calculated from Work and Charge Movement?
- PeachBanana
- · Replies 5 ·
Dropping a bundle from a plane: Using Newton's Second Law
- cytochrome
- · Replies 1 ·
Need find end velocity given accel., time, distance
- LVanderlinden
- · Replies 1 ·
What Determines the Shape of an Atom?
- hyurnat4
- · Replies 1 ·
Nonuniformly charged spherical surface
- ur5pointos2sl
- · Replies 22 ·
Three point charges are arranged on a line.
- Mdhiggenz
- · Replies 5 ·
What Are the Effects of Five Charges in an Electrical Field?
- xma123
- · Replies 12 ·
Single slits involving one source of monochromatic light
- alicia113
- · Replies 1 ·
How Do You Calculate the Third Maximum Position in Single Slit Diffraction?
- alicia113
- · Replies 1 ·
Conservation of momentum problem from SAT II
- incog13
- · Replies 10 ·
The Difference Between Equation Uniform Acceleration and Average elocity
- Arooj
- · Replies 2 ·
Minimum volume of ice slab for a 45 kg woman to stand on
- Mosaness
- · Replies 16 ·
Momentum, Impulse and collisions Q
- leechyeah
- · Replies 19 ·
Need guidance on finding charge.
- cidr1337
- · Replies 20 ·
How Much Force Is Exerted on the Floor When Pushing a Box?
- jamesblim168
- · Replies 4 ·
How to calcoulate force applied?
- jamesblim168
- · Replies 3 ·
Forces on a weight stack pulling horizontally
- llhalsey
- · Replies 5 ·
Three-ball collision problem with coefficient of restitution 0.85
- apamnani1
- · Replies 2 ·
Is Magnetic Field Work Always Zero in Current-Carrying Conductors?
- smatik
- · Replies 3 ·
How Does Energy Loss Affect a Ball's Motion in Gravity?
- norhh
- · Replies 21 ·
Thin rod standing upright tips over
- cler
- · Replies 4 ·
Verifying motion in one dimension problem answers
- Anubis951
- · Replies 2 ·
How Do You Calculate Friction Forces for a Car on a Flat Surface?
- H4NS
- · Replies 3 ·
Circuit Simplification (Equivalent Resistance)
- Bcranger 0
- · Replies 9 ·
Gamma ray colliding with an electron
- lcd123
- · Replies 2 ·
Force of electric field and distance
- azurken
- · Replies 5 ·
Proof that gravity equals 9.8 metres per second?
- EasyTheySaid
- · Replies 9 ·
Mass concentration of water vapor at 273 K from partial pressure
- Nimmy
- · Replies 1 ·
Finding x and y pixel coordinates for a projectile game equation
- CheatyFace
- · Replies 20 ·
Projectile on horizontal surface
- Darth Frodo
- · Replies 4 ·
How far will a motorcycle travel before coming to a halt?
- Kartik.
- · Replies 2 ·
Solving Mechanics Problem with Friction Force
- kushan
- · Replies 35 ·
Calculating Air Velocity in a Pipe
- Karol
- · Replies 4 ·
How Do You Calculate Average Speed in a Mixed-Speed Relay?
- cowmoo32
- · Replies 12 ·
E&M honors project topics with calculus 2 background
- jonathan1
- · Replies 6 ·
How Long to Heat Air from 35°C to 1000°C with a 1400W Heater?
- blazerman
- · Replies 5 ·
Determining the magnitude of the magnetic field acting on a particle
- expatiated
- · Replies 2 ·
Determining the radius of curvature mass spectrometre question
- expatiated
- · Replies 1 ·
Initial velocity of projectile given angle and max height
- ulfy01
- · Replies 2 ·