Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
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 ·
Magnetic fields and loop of wire
- poskhare
- · Replies 5 ·
When will a bike and car meet if the bike accelerates first?
- igurmendez
- · Replies 9 ·
Electric Field for Equilibrium of Two Spheres with Charges in a Uniform Field
- Bradwast88
- · Replies 7 ·
A very annoying current electricity problem
- Swap
- · Replies 1 ·
How Do Basic Physics Equations Apply to Sports Scenarios?
- Simmerso
- · Replies 2 ·
Net Force: Tension problems with angles
- uni777
- · Replies 4 ·
Calculating electric field on a long insulating cylinder?
- coffeem
- · Replies 6 ·
What Are the Current Challenges in Scaling Down Microelectronics?
- hikaru1221
- · Replies 5 ·
Calculating Relative Velocity for a Swimmer Training in a River
- percy_07
- · Replies 7 ·
Non-constant index of refraction due to layered material.
- Fraqtive42
- · Replies 10 ·
What Is the Maximum Horizontal Force to Apply Without the Upper Block Slipping?
- barthayn
- · Replies 12 ·
Calculating Relativistic Doppler Shift for Moving Radar
- fluidistic
- · Replies 1 ·