Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Vector sum of forces A + B + C from a grid diagram
- aheimer89
- · Replies 12 ·
Is a Node Where There is Little Displacement in a Vibrating Wave?
- noname1
- · Replies 1 ·
What is the voltage across vc(0)?
- jofree87
- · Replies 1 ·
Where is the Center of Mass of Stacked Pizza Boxes?
- Mechdude
- · Replies 6 ·
How much force does the water exert on a boat docked on a pier?
- dyenz
- · Replies 3 ·
Mechanics Vibrations Homework: Piston Displacement & Time Calculation
- tom l
- · Replies 1 ·
Finding Launch Speed and Maximum Height of a Toy Rocket
- zcd
- · Replies 4 ·
Free Body Diagrams on friction less surface
- dch1runs
- · Replies 11 ·
Average speed for different time vs distance splits between two speeds
- bludragn0
- · Replies 1 ·
What is the equation for the pressure of a coalesced soap bubble?
- meagankm
- · Replies 1 ·
Car accelerating from rest overtaking truck at constant speed
- irubi005
- · Replies 1 ·
Simple kinematics question i think i am right just need to confirm
- ihatecats2014
- · Replies 3 ·
How much of an iceberg is beneath the surface Archimedes principle
- mizzy
- · Replies 3 ·
Kinetic energy with force F = A × V - (A · V)Â as t → ∞
- PhMichael
- · Replies 29 ·
One Dimensional Kinematics Question (Simple)
- PanChan89
- · Replies 1 ·
How can I rearrange an equation to solve for v without using t?
- tomwilliam
- · Replies 4 ·
Total electric force on a particle in an equilatteral triangle
- poipoipoi
- · Replies 1 ·
How to increase max speed of wave
- noname1
- · Replies 1 ·
2-D Kinematics Question (Simple)
- mohabitar
- · Replies 6 ·
Why is the Force Positive in the Integral of Work for a Rotating Point Mass?
- Karol
- · Replies 6 ·
Motion in 1D problem, it's not supposed to be this hard.
- Executioner
- · Replies 7 ·
Electric Field Direction for Electron Moving Parallel to Wire
- pat666
- · Replies 9 ·
Mechanics problem about simple harmonic motion
- gipc
- · Replies 5 ·
Crate on a cable statics question
- divineyang
- · Replies 2 ·
Understanding Buoyancy: Solving a Simple Cube Floating Question
- ooohlala
- · Replies 1 ·
Entropy and steady-state probabilities of a binary Markov source
- degs2k4
- · Replies 1 ·
Position of a Particle as Function of Time (Velocity, Acceleration, etc.)
- 09jml90
- · Replies 14 ·
Find powers p and q to make A=V^pT^q dimensionally consistent
- swatmedic05
- · Replies 29 ·
Finding the Exhaust Temperature of a Carnot Engine
- minszue
- · Replies 1 ·
Express 50 micrometers in meters
- LMSStu2010
- · Replies 8 ·
Understanding Forces Between Molecules and Temperature Changes in Substances
- harimakenji
- · Replies 5 ·
Standing Wave Analysis on a Stretched Wire with Fixed Endpoints
- SirRoland
- · Replies 2 ·
Very simple kinematics question
- ihatecats2014
- · Replies 9 ·
Simple circuit - Where is current going?
- Brilliant
- · Replies 1 ·
How far apart are these graduations?
- dami
- · Replies 3 ·
How can you test if a crown is pure gold without damaging it?
- dami
- · Replies 2 ·
What does the parameter (x - vt) represent in a wave function?
- jwxie
- · Replies 2 ·
How can I break down the steps and solve my basic algebra homework problems?
- Shotski
- · Replies 3 ·
Induced current and energy in a square wire loop in a changing magnetic field
- pat666
- · Replies 6 ·
How Do You Model the Motion of a Mass on a Spring?
- Kev1n
- · Replies 8 ·
Velocity and Acceleration Parallel?
- clamchowder
- · Replies 1 ·
How Do You Calculate the Mass of a Grain of Sand?
- scc
- · Replies 2 ·
Specific Heat Capacity and Specific Latent Heat
- GKRKarateKid
- · Replies 2 ·
2 spheres connected by wire, find tension
- vladimir69
- · Replies 4 ·
Converting Distance- Time Graph to Velocity- Time
- clamchowder
- · Replies 5 ·
Measuring Mass with a Triple Beam Balance
- harimakenji
- · Replies 6 ·
Find formula for how much longer each day is
- jja6782
- · Replies 2 ·
Two train cars colliding with constant acceleration and velocity
- FahimP
- · Replies 1 ·
Vector Qs: Football, Month, Book?
- Hitsaguya
- · Replies 4 ·
Calculate Force on Particle in Uniform Magnetic Field
- pat666
- · Replies 17 ·
Thermodynamics (Kelvin-Planck statement )
- dotcom
- · Replies 6 ·
Problem involving ratios to find the length of a shadow
- overhorizon
- · Replies 1 ·
Solving a Basic Vectors Problem: Huck Finn's Velocity on a Raft
- TheNovice
- · Replies 4 ·
Finding Velocity of Traverse Wave on String Using Dimensional Analysis
- pinsickle
- · Replies 2 ·
Motin in two dimensions,accelerated motin,motions
- nirajnishad
- · Replies 4 ·
Errors and precautions when discharging a capacitor?
- aoiwy
- · Replies 1 ·
Basic Statics problem with scalar components and force
- itsvt2013
- · Replies 2 ·
Finding i(t) without v(t) in a capacitor circuit
- jofree87
- · Replies 7 ·
Why is the approximation of small angles valid for cosine but not for sine?
- mathfilip
- · Replies 2 ·
Calc Conductivity of an intrinsic semiconductor
- nanostar
- · Replies 4 ·
What Was Your Original Speed on the Freeway?
- zeromodz
- · Replies 15 ·
Finding the Dimensionally Consistent Powers for Acceleration Equation
- swatmedic05
- · Replies 1 ·
Height where gravitational weight decreases to 0.99mg
- redwhite1
- · Replies 1 ·
Uncertainty in diameter to thickness ratio using error propagation
- MitsuShai
- · Replies 1 ·
Find the powers p and q that make this equation dimensionally consistent
- swatmedic05
- · Replies 6 ·
Finding magnitude and direction of A + 4B and A - B
- rfig08d
- · Replies 2 ·
Frozen and liquid kerosene difference?
- heraclius
- · Replies 11 ·
How to convert between unfamiliar metric units
- Meadman23
- · Replies 2 ·
Going down a slide CONSERVATION OF ENERGY
- mizzy
- · Replies 3 ·
A block of ice falls and a part melts
- Karol
- · Replies 1 ·
Magnetic force on an electron in Vermont's magnetic field
- thereddevils
- · Replies 1 ·
Calculating the Binding Energy of 12C
- thereddevils
- · Replies 4 ·
Why Is Average Relative Speed 4/3v in a Uniform Gas Speed Scenario?
- Oojee
- · Replies 3 ·
An AC circuit w/ only an inductor
- onedr0p
- · Replies 2 ·
Explanation of acceleration of a ball bouncing up and down on the ground
- city25
- · Replies 3 ·
What Is the Radius of Earth Based on Sunset Observation?
- Time-X
- · Replies 5 ·
Proton radius and angular speed at 2.7 MeV in a 3.5 T cyclotron
- pat666
- · Replies 1 ·
Isothermal Expansion, No Calculus
- Alexandra_H
- · Replies 1 ·
How Do You Calculate Acceleration with Rolling Friction and Force?
- reinrain
- · Replies 1 ·
Can Pulsars Provide More Accurate Time Standards Than Atomic Clocks?
- aphotictwil
- · Replies 5 ·
Object on a plane (equilibrium problem)
- ZacBones
- · Replies 2 ·
Define the Ampere: Force/Length = 2*10-7N/m
- pat666
- · Replies 2 ·
Max speed perpendicular to the wave's direction
- Bsky
- · Replies 2 ·
Expansion difficulty with clearance
- german1234
- · Replies 4 ·
Linear expansion in a brass plug and steel ring
- rhombus
- · Replies 5 ·
Special Relativity Rocket Problem
- dpeagler
- · Replies 2 ·
Astrophysics - tricky unit conversions?
- t_n_p
- · Replies 5 ·
Average force on a 1000 kg car striking a tree
- yek_zzz
- · Replies 3 ·
Centripetal acceleration blood plasma problem
- nlsherrill
- · Replies 6 ·
Can acceleration be relevant of third derivative?
- player1_1_1
- · Replies 1 ·
Calculating Length of Stretched Wire from Frequency
- Travian
- · Replies 2 ·
What Is the New Sound Intensity Level After a 2000-Fold Increase in Power?
- Travian
- · Replies 10 ·
Is the formula ½ V x t correct for stopping distance?
- Travian
- · Replies 8 ·
Acceleration from Vi, Vf and Distance
- Dekoy
- · Replies 2 ·
Components of a vector - don't know what I am doing wrong
- Hemingway
- · Replies 6 ·
Calculate Coefficient of Friction for a 200kg Load on a Horizontal Plane
- german1234
- · Replies 4 ·
Find speed of quasar from observed and actual wavelength readings
- Sarial
- · Replies 10 ·
Angles of a Vector on the Coordinate Plane
- dwagz
- · Replies 2 ·
Aerodynamic principles affecting paper plane flight
- mAfouk
- · Replies 3 ·
Question involving conservation law and springs
- mizzy
- · Replies 36 ·