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 Can Two Perpendicular Vectors with Different Magnitudes Sum Up to (6, 8)?
- stunner5000pt
- · Replies 7 ·
How Can Clairaut's Theorem Help Solve for Function g(y) in Partial Derivatives?
- matpo39
- · Replies 2 ·
Can you calculate the speed of a man jumping onto a spring-loaded platform?
- quick02si
- · Replies 2 ·
Limit as h->0 when [cos(pi/2+h)]/h
- UrbanXrisis
- · Replies 2 ·
Question from Fundamentals of Physics, 6th edition (exhanced) .
- evermoore
- · Replies 4 ·
An object fired upward at a speed of 3.000 m/s
- SpeedeRi2
- · Replies 2 ·
Calculating Cube Deceleration on a Moving Board
- caseys
- · Replies 2 ·
Molecular Polarities and Physical Properties of Molecules
- v22
- · Replies 2 ·
Permeability & Permittivity of Free Space - Meaning
- garytse86
- · Replies 3 ·
How Does Center of Mass Influence Collision Outcomes?
- envscigrl
- · Replies 2 ·
What Is the Ideal Length for a Half Wave Dipole Aerial at 120MHz?
- Sanosuke Sagara
- · Replies 2 ·
An object travels in a straight line at a uniform velocity
- SpeedeRi2
- · Replies 3 ·
Vectors around a circular track
- seanlindo06
- · Replies 2 ·
Torque/acceleration with masses on pulley
- vtech
- · Replies 3 ·
Competition with 100 Dogs: Probability Explained
- OptimusPrime
- · Replies 2 ·
What'd I do wrong? [Angular Kinematics]
- AERam
- · Replies 2 ·
How Do Forces Distribute Among Blocks on a Frictionless Surface?
- jhson114
- · Replies 2 ·
Does the middle of the Earth spin faster than the outer part?
- Me247
- · Replies 2 ·
Mass and Velocity in Elastic Collisions
- tumbler19
- · Replies 3 ·
Distribution functions
- buddingscientist
- · Replies 4 ·
VSEPR Theory: Investigating Ionic Molecules
- Tanya Back
- · Replies 2 ·
Troubleshooting Electric Field Calculation: Qs, Rs, and N/C
- joej
- · Replies 2 ·
Calculating Revolutions/Minute for Centrifuge at 4.62 cm Radius
- matchboxdude
- · Replies 7 ·
Electric Field and Potential of Thin Charged Metal Plates: Analysis and Sketch
- stunner5000pt
- · Replies 2 ·
Determining Clockwise & Counterclockwise Torque: Help Needed!
- pinky2468
- · Replies 2 ·
Calculating Total Distance Traveled of an Object in Uniform & Constant Velocity
- SpeedeRi2
- · Replies 5 ·
Young's Modulus/Breaking Point
- Reisen
- · Replies 1 ·
Parallel Transport and Triangle Excess Angle
- jimbo007
- · Replies 1 ·
Cartesian coordinates and in polar coordinates?
- Poweranimals
- · Replies 2 ·
Calculate max height and t in max height?
- SpeedeRi2
- · Replies 2 ·
Help Solve Kristi's Physics Problem: Particle Deflection & Magnetic Force
- kristi.lynn
- · Replies 2 ·
Newtonian Gravitation with an extended body
- freemind
- · Replies 7 ·
Moments of Inertia, almost got it
- sisigsarap
- · Replies 4 ·
How Do You Calculate the Speed and Deflection of a Wave on a String?
- saksham
- · Replies 2 ·
Force & Tension on Figure 6-18 Pulley System w/ Crate Mass m = 52 kg
- tony873004
- · Replies 4 ·
Ball Rise Trajectory: How Fast Was the Ball Moving?
- UrbanXrisis
- · Replies 3 ·
How Can Physics Help in Making a Musical Instrument?
- knowmad
- · Replies 3 ·
Solving Calc II Integral & Graphing Solid Volume
- Spectre32
- · Replies 6 ·
Ice Surfing: Solving the Physics of Motion
- Chileboy
- · Replies 2 ·
Calculating Weight Changes in a Looping Plane
- Tanya Back
- · Replies 2 ·
A car crashes into a concrete wall
- envscigrl
- · Replies 2 ·
Calculate Moon's Gravity Acceleration | Radius 1.74x10^6m | Mass 7.35x10^22kg
- Mazdak
- · Replies 2 ·
Measuring coefficient of friction with only a ruler
- freemind
- · Replies 2 ·
How Do You Calculate the Minimum Angle to Push a Mop Considering Friction?
- newcool
- · Replies 10 ·
What is the tension in the string between two blocks with friction?
- Mivz18
- · Replies 8 ·
How do I find the tangential acceleration in non-uniform circular motion?
- mad
- · Replies 11 ·
Isotopes/uncertainty in measurement
- yxgao
- · Replies 7 ·
Designing a Landing Pad for an Egg Drop Project: Tips and Strategies
- acsokker
- · Replies 7 ·
Vector C & (A x B): True or False?
- Chen
- · Replies 4 ·
What are the intensity and wave properties of two simple wave problems?
- saksham
- · Replies 3 ·
How Do You Solve a Frictionless Pulley System with Unequal Masses?
- SnowOwl18
- · Replies 2 ·
Basic Physics - Spinning Head (mine)
- PhysicsNovice
- · Replies 9 ·
Physics Problem Help: Find Total Force on Q4
- suf7
- · Replies 42 ·
Angular Displacement: Solving for a Mountain Bike Wheel
- SnowOwl18
- · Replies 5 ·
Projectile motion with aerodynamic drag
- guywinford
- · Replies 3 ·
Calculating Jet Engine Output of an Airplane
- physicsss
- · Replies 2 ·
What is the speed of the space shuttle when a ball is dropped?
- UrbanXrisis
- · Replies 6 ·
Calculate the position of the center of mass of the weighted wheel
- physicsss
- · Replies 2 ·
Wind Car Theory .for assignment
- alen
- · Replies 6 ·
Pre-Algebra Struggles: What Can I Do?
- iownyou81
- · Replies 2 ·
Calculate stopping distance on level ground
- Lannie
- · Replies 2 ·
Converting Spherical Equations to Cylindrical and Rectangular
- DeadxBunny
- · Replies 2 ·
What Angle and Normal Force Are Involved When Pulling a Suitcase?
- jlshoop
- · Replies 10 ·
Determine the magnitude and direction of the resultant force
- Kdawg
- · Replies 2 ·
Electrostatic Forces on Charged Spheres: Calculations and Comparisons
- maxx
- · Replies 3 ·
Solving Spring/Work Problem: Find Block's Movement on Incline
- Fert
- · Replies 2 ·
Real numbers x and y, f(x+y)=f(x)+f(y)+1. If f(1)=2, what is f(3)?
- Xasuke
- · Replies 4 ·
Solving Division: Understanding Zero as a Placeholder
- roger
- · Replies 12 ·
Why Do My Calculations on Frictionless Hill Physics Seem Incorrect?
- kimikims
- · Replies 2 ·
Help With Part B: Find Final Speed of 12-pack
- rrastam
- · Replies 2 ·
Newton Physics Help: Solving for Coefficient of Friction on Rotating Platform
- ashik
- · Replies 2 ·
Magnetc force from current-carrying wires - help
- vsage
- · Replies 2 ·
Propagation of errors? (lab phenomenon question)
- StonieJ
- · Replies 10 ·
Vectory Geometry, problem involving spheres
- josephcollins
- · Replies 2 ·
Is This the Correct Approach to Finding GCD and LCM for Integer Pairs?
- dogma
- · Replies 5 ·
Using a Power Series to Approximate a Definite Integral
- DivGradCurl
- · Replies 3 ·
Forces and centripital acceleration
- benji
- · Replies 2 ·
What Is the Acceleration of Two Blocks in a Frictional System?
- natalydj83
- · Replies 2 ·
Rotational Motion About a Fixed Axis
- BlackMamba
- · Replies 3 ·
Confused with a series problem
- DivGradCurl
- · Replies 2 ·
Struggling to Solve a Spring + Gravity Problem
- underthebridge
- · Replies 2 ·
Calculating Potential Energy for 16 kg Object
- strugglin-physics
- · Replies 2 ·
In terms of Einstein's theory of heat capacity
- stunner5000pt
- · Replies 2 ·
Equilibrium Formula Derivation for Torque and Lever Systems
- pinky2468
- · Replies 2 ·
Calculate Tension: Mass, Examples, How To
- preet
- · Replies 3 ·
Question on Photoelectric effect
- stunner5000pt
- · Replies 7 ·
Solve Superman Problem: Stop Train in <1 hr
- SnowOwl18
- · Replies 2 ·
How Do Newton's Laws Apply in Calculating Contact Force Between Boxes?
- pulau_tiga
- · Replies 2 ·
Calculating Laser Beam Power and Wave Crests per Second at 632.8nm Wavelength
- stunner5000pt
- · Replies 3 ·
Calculating Electron Revolutions per Second in Electric Force Field
- guru
- · Replies 2 ·
Arghhh Coordinate geometry question
- ultraviolent
- · Replies 3 ·
What Determines Points of Zero Net Electric Potential Between Charged Particles?
- rishid
- · Replies 2 ·
How Much Work Did the Hamster Do on the Exercise Wheel?
- Hughey85
- · Replies 2 ·
Find Min Distance from x=20 to y=3√(x-15)
- buffgilville
- · Replies 2 ·
Find the constant of vain (wien)
- stunner5000pt
- · Replies 5 ·
How Do You Solve a Frictionless Collision Where Two Masses Stick Together?
- justinbaker
- · Replies 3 ·
Find the temperature and total radiancy of star
- stunner5000pt
- · Replies 3 ·
3-dimensional potential energy problem
- winhog
- · Replies 8 ·