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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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 ·
Represent combinations of units in SI form
- christian71
- · Replies 1 ·
Snapshot Graph of String Displacement at Time Instant
- admartin
- · Replies 1 ·
Which box will start to slide first?
- Kelsob
- · Replies 2 ·