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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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 ·
Need Help calculating Entropy & probabilities of a simple Markov Process
- degs2k4
- · Replies 1 ·
Position of a Particle as Function of Time (Velocity, Acceleration, etc.)
- 09jml90
- · Replies 14 ·
Dimensional Consistency of Acceleration Equation: Step-by-Step Guide
- swatmedic05
- · Replies 29 ·
Finding the Exhaust Temperature of a Carnot Engine
- minszue
- · Replies 1 ·
Physics ADV: Metric Prefixes - Solving 50\mum 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 ·
Solving a Royal Mystery: Archimedes & the Crown
- dami
- · Replies 2 ·
Help with understanding wave function
- jwxie
- · Replies 2 ·
How can I break down the steps and solve my basic algebra homework problems?
- Shotski
- · Replies 3 ·
Closed Wire Loop: Induced Current & Dissipated Energy
- 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 ·
Beginner PHYSIC problem HELP nneded
- 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 given v(t): Solving for R 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 ·
A gravatational homework question
- redwhite1
- · Replies 1 ·
Uncertainty for a ratio ( help)
- MitsuShai
- · Replies 1 ·
Find the powers p and q that make this equation dimensionally consistent
- swatmedic05
- · Replies 6 ·
Subtracting/multiply vector clarification on worked problem
- rfig08d
- · Replies 2 ·
Frozen and liquid kerosene difference?
- heraclius
- · Replies 11 ·
Question About Conversion 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 ·
Calculating Magnetic Force & Accel. of an Electron in VT
- 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 ·
Radius & Angular Speed of Proton in 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 ·
Homework in physics (average force and momentum)
- 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 ·
Stopping Distance: Calculate from 108km/h with ½ V x t
- 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 ·
What Are the Key Aerodynamic Principles Impacting Paper Plane Flight?
- mAfouk
- · Replies 3 ·
Question involving conservation law and springs
- mizzy
- · Replies 36 ·
Magnetic fields and loop of wire
- poskhare
- · Replies 5 ·
Acceleration Problem: Bike vs. Car - When Will They Meet?
- 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 ·
AP Physics: Do you think I lost points for this on the AP exam?
- GreenPrint
- · Replies 2 ·
Rate of decrease of the magnetic fields
- Oblakastouf
- · Replies 1 ·
How Does Friction Affect the Acceleration of a Truck Carrying a Heavy Crate?
- homyungtj
- · Replies 3 ·