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 Do You Calculate Tension and Angle in a Two-Mass Pulley System?
- Lovesphysics
- · Replies 3 ·
Flux of an infinite line of charge through a cylinder
- kindofsour
- · Replies 2 ·
How long will it take Micrometeorites to cover the moon ?
- ObviousManiac
- · Replies 6 ·
Finding Tension T1 in a Pulley System
- emilyb1995
- · Replies 14 ·
Lorentz factor = 10^6, solving for Beta
- demoncore
- · Replies 1 ·
Long jump projectile motion at 25° angle
- Silverbolt
- · Replies 2 ·
Find the Stopping Distance with Calculus
- kchurchi
- · Replies 5 ·
Finding the frequency of the combined motion
- RockenNS42
- · Replies 11 ·
Kirchoff's Equation w/ 2 Batteries and 4 resistors
- wizzleman
- · Replies 7 ·
What is the Ratio of Masses for Forces and Acceleration?
- physics=world
- · Replies 2 ·
Projectile Motion given only x and y distance
- tbbtfan14
- · Replies 1 ·
Rate of change of speed from acceleration vector at 128° angle
- shiv604
- · Replies 9 ·
The acceleration of a descending airplane
- deveny7
- · Replies 3 ·
Electromagnetics coulombs law and field intensity
- Alwaysprolol
- · Replies 3 ·
What Acceleration Does a Jet Need to Alter a Pendulum's Position?
- omc1
- · Replies 4 ·
How much gasoline is in the underground storage tank?
- astrostar2
- · Replies 5 ·
How Is Acceleration Calculated for a Block on a Frictionless Surface?
- omc1
- · Replies 3 ·
How Is the Centroid of a Triangle Determined Mathematically?
- phospho
- · Replies 3 ·
Find Pluto's year length using Kepler's third law.
- D.J Falcon
- · Replies 3 ·
Simple harmonic motion - Find amplitude given period
- BobRoss
- · Replies 25 ·
Pulley Free Body Diagram Problem
- MG5
- · Replies 15 ·
What Is the Average Kinetic Energy of Ethane at 410K?
- chemman218
- · Replies 3 ·
Special Theory of Relativity and Lorentz T. question
- estro
- · Replies 21 ·
Find the Trajectory's Launch Angle
- deveny7
- · Replies 2 ·
Relativity. Spacetime question. finding times
- ttttrigg3r
- · Replies 12 ·
Sign of the B-field experienced by a particle moving through a current loop
- Niles
- · Replies 9 ·
Average velocity from position vectors with linear and quadratic components
- piercegirl
- · Replies 7 ·
Calculating the Inertia Tensor of a Homogeneous Sphere
- Storm Butler
- · Replies 4 ·
Proving the voltage divider rule?
- EasyTheySaid
- · Replies 1 ·
Solve The Laws of Motion: Tension in a Bird on a Wire
- physics=world
- · Replies 2 ·
Orbits in gravitational field of a toroidal planet
- maves
- · Replies 16 ·
Calculating the Electric Field generated by a rod with charge
- jmarzouq
- · Replies 2 ·
Two blocks held by a rope on an incline
- trolling
- · Replies 6 ·
Norton Equivalent and Source Transformation problem
- tjenk48
- · Replies 1 ·
Cyclic thermodynamics processes
- Bipolarity
- · Replies 5 ·
Solving Vector Problems in Physics
- mrssmth
- · Replies 5 ·
Expression of an electric field
- joe_cool2
- · Replies 9 ·
How Can You Linearise a Cosine Curve for g-forces in Physics?
- Maluras
- · Replies 1 ·
Atwood's Machine (Help with Lab Report Conclusion)
- johnhuntsman
- · Replies 1 ·
Position and time interval of a particle
- mrssmth
- · Replies 1 ·
Sailboat Direction - Kinematics in Two Directions
- bimbambaby
- · Replies 7 ·
Uniform acceleration from rest over 7.50 seconds
- pphysics
- · Replies 1 ·
What is the height of the cliff?
- kchurchi
- · Replies 1 ·
What percent of jump range is spent in upper half at 7 m/s, 35°?
- vysero
- · Replies 7 ·
Ball thrown upward while running away horizontally
- Butterfly30
- · Replies 15 ·
Projectile motion stone throw problem
- vysero
- · Replies 10 ·
How do i find acceleration and x/y coordinates given time and i/j values?
- piercegirl
- · Replies 28 ·
Calculating Friction Force: A Practice Problem
- bcalkins
- · Replies 2 ·
Given a Vector addition and subtraction, how to find the Vector.
- shadow90
- · Replies 1 ·
Statics - Show a massless stick feels forces along the stick
- MeMoses
- · Replies 1 ·
Speed of a bullet (circular motion problem).
- -Dragoon-
- · Replies 10 ·
How to find t1,t2 when only given t3
- link107
- · Replies 1 ·
Ramp Problem, Friction, Find Theta
- maryhem
- · Replies 1 ·
Acceleration of a car given distance and time?
- Oceanaid
- · Replies 8 ·
Finding frequency of a standing wave on a 2.0 m string with 78 m/s wave speed
- Workout
- · Replies 4 ·
Quantum Mechanics (position uncertainty)
- roam
- · Replies 5 ·
The force net of a spring system
- ucentralf15
- · Replies 1 ·
Football/receiver projectile motion
- Arooj
- · Replies 1 ·
At what distance does a charge attain half its speed at infinity?
- alyssa.d
- · Replies 5 ·
How to calculate vector angles and magnitude
- jamesjames365
- · Replies 12 ·
Conversion of energy expression from Cartesian to spherical coordinates
- Syrus
- · Replies 1 ·
How Far Does a Boulder Travel Rolling Downhill with Constant Acceleration?
- Doraneli
- · Replies 2 ·
Projectile motion - velocity and distance
- piknless
- · Replies 2 ·
Energy of a photon absorbed by an elementary particle
- saridy
- · Replies 2 ·
A hare and a tortoise compete in a race Question? Distance and Time?
- flaren5
- · Replies 1 ·
Relative motion with angular velocity
- theBEAST
- · Replies 7 ·
How do I simplify this inequality
- MeMoses
- · Replies 2 ·
Picture to make sure my concepts are correct.
- Mdhiggenz
- · Replies 7 ·
Thermodynamics of Helium using a P-V Diagram
- mouzis
- · Replies 5 ·
Mass of Planet Using Radius and Doppler Effect
- Linuxkid
- · Replies 3 ·
Determine the polarizability of a wire segment.
- Pepjag
- · Replies 1 ·
Block held by a rope on an incline
- trolling
- · Replies 11 ·
Acceleration of body covering 150 m in the 8th second
- abhavi
- · Replies 1 ·
Measuring distance with parallax
- clandarkfire
- · Replies 10 ·
How does the object move if forces between two objects are equal and opposite?
- Overall01
- · Replies 9 ·
Finding number of atoms and volume
- fernanhen
- · Replies 3 ·
First Law of Thermodynamics - Isobaric Cooling
- chromium1387
- · Replies 1 ·
Find Lap Time: Is 0.8 Sec Correct?
- Mushroom79
- · Replies 2 ·
What is the correct method for finding the lattice constant of NaCl?
- paperstars
- · Replies 1 ·
Projectile Motion: Accleration along an incline.
- lnjn
- · Replies 4 ·
Calculating Contact Forces- Three objects
- student2013
- · Replies 3 ·
Finding Acceleration Given Coordinates
- MG5
- · Replies 2 ·
Positive Ion passing through a Magnetic Field
- Electro n00b
- · Replies 5 ·
How Does Friction Affect Train Acceleration on Different Grades?
- majormaaz
- · Replies 1 ·
Basic Motion Problem (Dropping Objects)
- doug1
- · Replies 1 ·
Find where and when the trajectory angle is 10 degrees?
- hwall95
- · Replies 4 ·
What is the period of a book swinging like a pendulum?
- jellyman
- · Replies 6 ·
Net force on a proton from two electrons at equal distance
- Mdhiggenz
- · Replies 11 ·
Object falling with non-constant gravity
- lastoneinspac
- · Replies 1 ·
Is the Pressure of Gas Constant When Expanding Against a Piston?
- Bipolarity
- · Replies 1 ·
Calculating capacitance of capacitor filled with 2 dielectrics
- darkv0id
- · Replies 2 ·
What do the variables in the Atwood's Machine equation signify?
- johnhuntsman
- · Replies 5 ·
Phase Diff. of 600 nm Light in Medium w/ Ref. Index 1.5
- charmedbeauty
- · Replies 2 ·
What is the Electric Field at 2.6 mm from the Axis of Coaxial Cylinders?
- tanzerino
- · Replies 6 ·
Two charged spheres hanging from a ceiling in uniform electric field
- Mdhiggenz
- · Replies 10 ·
Projectile motion, Cat jumping off table
- epsilonaught
- · Replies 1 ·
What is the speed of the golf ball when it lands on the elevated green?
- snoopy82
- · Replies 5 ·
What is the relationship between the following forces?
- Chuckfados
- · Replies 1 ·
The Electric Field of a Ball of Uniform Charge Density
- bfusco
- · Replies 4 ·
How to Calculate Average Acceleration with a Non-Straight Graph
- Daizin
- · Replies 7 ·