Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Oscillation and Moment of inertia
- tempneff
- · Replies 3 ·
Calculating Kinetic Energy: Understanding the Equation and Common Errors
- m2009aquario
- · Replies 3 ·
Finding Velocity and Distance of a raised mass
- tjb5492
- · Replies 18 ·
Equivalent Resistance: To Include or Not to Include r5 and r6?
- sniderman
- · Replies 5 ·
Proton moving in a magnetic field
- erodger
- · Replies 10 ·
Waveform conversion of Analogue to Digital
- Kroose65
- · Replies 3 ·
Forces in equilibrium. Tension, ring, pulley and lots of string [With Picture]
- WilliamA
- · Replies 1 ·
Buoyancy calculating unknown density
- masterburn
- · Replies 4 ·
Kinetic Energy and Angular Velocity of a Rolling Sphere on an Incline
- ScienceGeek24
- · Replies 26 ·
Newton’s cannon ball and the moon
- runner2392
- · Replies 1 ·
Calculating Time for Cannon Ball to Orbit Earth at 4000mi Radius
- runner2392
- · Replies 2 ·
Calculate the Distance of lightning
- Crookedsky
- · Replies 1 ·
Solving for Inches in an Angstrom
- Drakkith
- · Replies 8 ·
Galileo's Acceleration Hypothesis
- FMAgent
- · Replies 13 ·
Centripetal Acceleration with Tarzan
- PeachBanana
- · Replies 3 ·
Time required to raise Temperature knowing heat transfer rate
- Tamarisk
- · Replies 1 ·
Find tension between blocks 2 & 3
- Rey4312
- · Replies 5 ·
Intermediate Physics Lab Analysis, Uncertainty and Linear Regression
- definition
- · Replies 1 ·
Find an expression for the sum of the series
- MegaDeth
- · Replies 1 ·
Proportion Problem Dealing with Moon's Period
- PeachBanana
- · Replies 3 ·
How Fast Can You Move 3.45 Meters on Tile with Different Footwear?
- Megatron20
- · Replies 3 ·
Centripital Acceleration problem
- Megatron20
- · Replies 1 ·
Oscillation damped oscillations ? how to calculate energy after t
- masterburn
- · Replies 10 ·
Magnetic Flux and Induced Voltage Interesing question
- stonecoldgen
- · Replies 5 ·
Work done by friction on a skier and resulting distance the skier travels
- Sequence1123
- · Replies 2 ·
Revolutions of a tire and angle in radians thru warranty
- chaotiiic
- · Replies 3 ·
Work required to move charged particle traveling in a circle
- xlava
- · Replies 2 ·
Particle detectors and Flemming LH rule
- jsmith613
- · Replies 1 ·
Help with introductory Physics (I keep getting different answers)
- KillerNWA
- · Replies 1 ·
Calculating Wavelength in Young's Double-Slit Experiment
- lolcheelol
- · Replies 2 ·
Calculating Voltage Drop and Current Through a Voltmeter
- badd99
- · Replies 8 ·
Satellite changing distance as θ changes how?
- LearninDaMath
- · Replies 4 ·
Gravity car/module/contraption thingy
- bhavana1012
- · Replies 3 ·
Electric potential between two point charges
- drawar
- · Replies 3 ·
How Does the Tension in a Cord Between Two Masses Compare to an Applied Force?
- PeachBanana
- · Replies 2 ·
What is the potential difference between two points in a uniform electric field?
- Genericcoder
- · Replies 10 ·
How do I properly convert from km/h to m/s?
- menco
- · Replies 3 ·
Why Is the Magnetic Field Uniform in a Non-Coaxial Cylindrical Cavity?
- c299792458
- · Replies 3 ·
Gaussian cylinder in the finite case
- hatsoff
- · Replies 1 ·
Newton's Second Law Concerning Net Force
- PeachBanana
- · Replies 5 ·
Cylindrical shell- electric potential problem
- giacomh
- · Replies 1 ·
How do I find the spacing(d) of a grating in a diffraction grating experiment.
- mutineer123
- · Replies 1 ·
Question on Physics problem of time and distance
- Daniol10
- · Replies 3 ·
Sloshing in a Rectangular Container: Finding Time Period
- crotical
- · Replies 8 ·
Does a magnetic field occupy space?
- rabcdred
- · Replies 2 ·
Need help calculating friction and normal force for Measuring Friction Lab
- jillime
- · Replies 1 ·
What is the Velocity of the Larger Cube as the Smaller Cube Melts?
- geniusno.198
- · Replies 2 ·
Isothermal Compression and Entropy Change
- PShooter1337
- · Replies 1 ·
Finding velocity as a function of time
- Mmarzex
- · Replies 4 ·
Kirchhoff's Rule and finding current with a system of equations
- MeMoses
- · Replies 4 ·
Electric Potential of a hollow cylinder
- forestmine
- · Replies 9 ·
Orbital angular disp. in 1 day & centrip. force and Acceleration of planets help
- kaoztheory
- · Replies 1 ·
Can a vector be perpendicular to both skew lines?
- knowLittle
- · Replies 5 ·
Time taken to reach 90% of terminal velocity
- newageanubis
- · Replies 2 ·
Physics Current Problem (I1,I2,I3)
- buddy72192
- · Replies 2 ·
Applications of Magnetic Fields
- stonecoldgen
- · Replies 3 ·
Forces on symmetrical electrostatic charges
- Roodles01
- · Replies 1 ·
What is a function that describes motion in a circular path?
- LearninDaMath
- · Replies 8 ·
Solving trig problem for trajectory
- PhysicsAdvice
- · Replies 1 ·
What is the pressure at 15 ft underwater?
- cwalker8184
- · Replies 1 ·
Calculating Work on a Stretched Spring
- shrutij
- · Replies 2 ·
What is the minimum work required to push a car up an incline with friction?
- PeachBanana
- · Replies 3 ·
Thermodynamics - Calculate the initial temperature of the iron.
- SAFiiNA
- · Replies 5 ·
Voltage and Current in RC circuits
- stonecoldgen
- · Replies 3 ·
What is the current through Resistor on RC circuit
- MeMoses
- · Replies 3 ·
A few quick conceptual questions about capacitators and dielectrics
- soccerscholar
- · Replies 3 ·
Find the Voltage in This Circuit
- Dawg91
- · Replies 2 ·
Work done by damping, harmonic oscillator, help?
- Lengalicious
- · Replies 15 ·
Capacitors - Conservation of Charge vs Conservation of Energy
- vineel
- · Replies 3 ·
The Energy of a Multiparticle System
- aaj92
- · Replies 7 ·
Movement of Water - Increasing day length
- Sekonda
- · Replies 2 ·
Solving Physics Problems: 2.00 kg Box Moving Right
- Rookie8391
- · Replies 1 ·
Moment of inertia for a hollow ball calculation
- AaronKnight
- · Replies 3 ·
A ball tied up at an angular plane: Forces and torque
- Zhartek
- · Replies 3 ·
Coulomb's Law with 3 Point Charges
- alever
- · Replies 4 ·
Work Done by Gravity on 265kg Load: 6.24x10^4 J
- PeachBanana
- · Replies 3 ·
Calculating Energy Lost due to Friction
- shrutij
- · Replies 5 ·
Electric dipole in uniform electric field
- svbalasub
- · Replies 7 ·
Theories on Series and Parallel capacitors
- john216
- · Replies 1 ·
Angular Momentum - Spherical Mass & Radius of Gyration
- Sekonda
- · Replies 10 ·
Change in Grav PE with the change in origin.
- mrhingle
- · Replies 3 ·
Adding a wrench to a series circuit ?
- mirandab17
- · Replies 7 ·
Capacitor Charge within a time period
- Regis Tro
- · Replies 1 ·
Conceptual Question about Power
- PeachBanana
- · Replies 6 ·
Calculating angle with coefficient of static friction value
- Fireant
- · Replies 26 ·
Solving Resistance of a Wire: 21V Across 32m, 18m?
- john216
- · Replies 3 ·
What force opens a folding knife?
- bklynrob
- · Replies 3 ·
Theories on Series and Parallel Resistors
- john216
- · Replies 1 ·
Finding largest angle - mechanics
- blackandyello
- · Replies 2 ·
Change of kinetic energy problem
- marjuna
- · Replies 12 ·
Terminal Voltage Formula Doesn't Apply?
- mirandab17
- · Replies 15 ·
Rocket Acceleration: Linear or Exponential?
- galaticman
- · Replies 1 ·
What is the Relationship Between Velocity and Distance for a Sprinter?
- mbkau00
- · Replies 2 ·
Circuit with 2 Batteries and 6 Resistors
- kjlchem
- · Replies 7 ·
Finding Constants Using Continuity Conditions
- glebovg
- · Replies 5 ·
How Do You Calculate the Mass of Object 2 After a Collision?
- bencdavidson
- · Replies 1 ·
Dimensional analysis and frustum of a cone
- selig
- · Replies 4 ·
What Are the Dynamics of a Bicycle Wheel with External Forces?
- icedcake
- · Replies 1 ·
Calculating Mass in an Elastic Collision
- bencdavidson
- · Replies 5 ·
Finding the Uncertainty of Vy in a Physics Equation
- RichardT
- · Replies 2 ·