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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Can somebody walk me through a statics problem?
- HeartEngineer
- · Replies 3 ·
And the last questions from the big and bad paper from me awesome
- Numeriprimi
- · Replies 1 ·
How Do You Determine Infinite Significant Digits in Calculations?
- Nellen2222
- · Replies 13 ·
Different magnets with a coil, what are the currents?
- Holchr
- · Replies 3 ·
The baseball pitcher on an asteroid
- buzz3
- · Replies 2 ·
Velocity change by force in one and two inertial frame confusion
- JordanGo
- · Replies 6 ·
Find the moment about the and axis
- Colts
- · Replies 5 ·
Equation for calculating pressure
- JamesBwoii
- · Replies 1 ·
Can Electrical Resistance be Measured Along Meridians and Parallels?
- Numeriprimi
- · Replies 5 ·
Identifying parallel elements in a circuit
- Pi Face
- · Replies 4 ·
A cart driven by a propeller with a constant acceleration
- omc1
- · Replies 14 ·
Accelaration of the chain as a function of x
- Tanya Sharma
- · Replies 15 ·
Exploring Wave Interference and Quantum Mechanics: A Swimming Pool Problem
- jawad1
- · Replies 9 ·
Total distance flown by bee between two approaching trains
- jawad1
- · Replies 9 ·
Electric field from a circle arc
- nautola
- · Replies 3 ·
Can you tell me why my trig functions aren't working?
- mrhingle
- · Replies 19 ·
What is the motion of K' in the direction of the x-axis?
- xWaffle
- · Replies 3 ·
Magnitude of Cable Tensions and Compressive Force
- nobodyuknow
- · Replies 3 ·
Quantum Mechanics Problem: ionization potential
- wee00x
- · Replies 1 ·
What is the centroid of a C-shape?
- nobodyuknow
- · Replies 6 ·
Representing instantaneous velocity vs time on a graph
- Violagirl
- · Replies 1 ·
Linear motion: a runner with two accelerations: 1 constant other not
- Genecks
- · Replies 4 ·
Looking for understanding of very basic force questions
- tigger66
- · Replies 1 ·
Node voltage method with current source and series resistor
- GreenPrint
- · Replies 9 ·
Radius of Curvature at Soap Bubble Contact Point
- vkash
- · Replies 9 ·
Particle moving along a parabola
- Peppino
- · Replies 5 ·
Uncertainty relation for femtosecond laser pulse frequency range
- Pi Face
- · Replies 1 ·
Elevator Acceleration and Ball Gets Dropped
- physicshelplz
- · Replies 1 ·
Spacecraft position after thruster fire using momentum principle
- peachhcake
- · Replies 1 ·
What is the acceleration of the blue car once the brakes are applied?
- maiad
- · Replies 4 ·
Rotational Kinetic Energy of Cl2?
- XianForce
- · Replies 5 ·
Physics Free-Fall Kinematics Flowerpot Problem
- Rockoz
- · Replies 6 ·
Spring Constant from Best Fit Line - sqrt(m) versus T
- icefall5
- · Replies 7 ·
Simple what is velocity at time t problem
- Dreaming
- · Replies 8 ·
Calculating approx. Values in km3, m3, cubic miles, and gallons
- kelpmonster1
- · Replies 3 ·
Time and air resistance question; throwing a ball upward.
- Kevin Willis
- · Replies 10 ·
Why Is Galaxy NGC 221 Exhibiting a Blue Shift in Its Light Spectrum?
- Engineergirl2
- · Replies 1 ·
Calculating Energy for Creating an Equilateral Triangle of Charges
- azolotor
- · Replies 1 ·
Charges in a Line Conceptual Question with picture
- PeachBanana
- · Replies 1 ·
Velocity-Time Graphs and Friction
- Mooshk
- · Replies 1 ·
Roller coaster problem with height and forces
- alexcc17
- · Replies 3 ·
Calculating Light Signal Velocity: Relativistic Effects at 0.5c
- Engineergirl2
- · Replies 1 ·
Derivation of y = bt^2 for velocity and acceleration
- Genecks
- · Replies 1 ·
Are My Calculations for Forces Acting on a Point Correct?
- Sl1ver
- · Replies 3 ·
How long will the sun shine for? (relativistic energy)
- ElijahRockers
- · Replies 1 ·
How to find the volume of a block that weighs 107 Newtons.
- FoliagedPegas
- · Replies 5 ·
How are velocity and displacement related for a wave pulse?
- Ipos Manger
- · Replies 1 ·
How fast must a pion travel 10.0 m in its 26.0 ns lifetime?
- ElijahRockers
- · Replies 7 ·
A Twin Paradox Question, totally lost.
- Engineergirl2
- · Replies 2 ·
Electric potential at the center of meter stick
- azolotor
- · Replies 1 ·
How Do You Calculate the Fly's Displacement in a 3D Room?
- vysero
- · Replies 3 ·
When Will the Compass Hit the Ground?
- omc1
- · Replies 2 ·
Solving Mouse Dropped by Owl - 6.3m Altitude
- omc1
- · Replies 2 ·
Rotation of cartesian coordinate system
- xzibition8612
- · Replies 5 ·
Find power absorbed or delivered
- Cisneros778
- · Replies 9 ·
Express Sum of Vectors in Unit Vector Notation
- dolpho
- · Replies 6 ·
Minimum initial velocity of the projectile launched at what angle
- vneff
- · Replies 2 ·
Webassign - Dropping a Package From a Helicopter
- berenmacbowma
- · Replies 5 ·
Solving Equilibrium of Glass Cylinder w/ Coil Wrapped Around It
- RichardEpic
- · Replies 1 ·
Probability of finding particle between L/4 and L/2 in particle-in-a-box
- wee00x
- · Replies 5 ·
Special Relativity - Velocity transformation problem
- seasponges
- · Replies 3 ·
Calculating Bird Flock RCS for Comparable Detection to a Fighter Jet
- Debo Industry
- · Replies 4 ·
Insulating charged sphere in conducting shell and electric field
- kyle9316
- · Replies 2 ·
Real and virtual images from mirrors
- sgstudent
- · Replies 5 ·
How do I calculate the average of uncertainties?
- PhizKid
- · Replies 14 ·
Calculating Electric Field Strength Using Gauss' Law
- 1MileCrash
- · Replies 3 ·
When are velocity and acceleration perpendicular or parallel for a thrown ball?
- jlyu002@ucr.e
- · Replies 3 ·
Heat pump problem with heat loss?
- AlyxDoll
- · Replies 2 ·
How to simplify a mixed series and parallel circuit
- yoohyojinn
- · Replies 2 ·
Kinematics involving two balls travelling at opposing directions
- maiad
- · Replies 8 ·
Friction question including inclined plane
- nepal
- · Replies 1 ·
How to find a force at a different angle?
- Kalookakoo
- · Replies 9 ·
Mass and density of an Olympic pool filled with water
- bentleyq
- · Replies 3 ·
What is the average speed for the entire trip?
- napolij
- · Replies 2 ·
Why Does a Charged Tape Attract to a Metal Sphere After Being Touched?
- GT bear
- · Replies 5 ·
How Far is the Ship from the Rocks When Sighting a Lighthouse?
- cphill29
- · Replies 3 ·
Pascal's principle hydraulic lift with torque involved
- fordy314
- · Replies 4 ·
Does this obey passive sign convention? (Circuits)
- lillybeans
- · Replies 2 ·
Charge from field, cylindrical symmetry
- ur5pointos2sl
- · Replies 2 ·
Kinematics-acceleration in two dimensions
- PEZenfuego
- · Replies 4 ·
Easy-acceleration with unit vectors
- PEZenfuego
- · Replies 7 ·
Dimentional Anaylsis: Solving for Revolutions
- valerieangel
- · Replies 2 ·
Uncertainty of Average Acceleration
- pry_or
- · Replies 6 ·
Finding potential energy of a constant force at a generic point
- nebbione
- · Replies 14 ·
How Far Will a Rock Travel Horizontally from a Volcano When Ejected at an Angle?
- SilentBlade91
- · Replies 2 ·
Simple Gear Ratio Problem: Solving for Wheel Rotation with Formula
- alexcc17
- · Replies 3 ·
Finding initial velocity of a projectile. Help with force and acceleration
- Sony95
- · Replies 15 ·
Why am I getting 1.23s instead of 1.18s for a ball thrown 20° below horizontal?
- MattPalmer
- · Replies 6 ·
Constant acceleration muon problem
- vysero
- · Replies 7 ·
Finding stretch in wires with different lengths and diameters using Young's modulus
- Nellen2222
- · Replies 1 ·
How to tell which function has distance proportional to time?
- gurpalc
- · Replies 4 ·
How Does Maximum Range Affect Projectile Separation at Equal Heights?
- ozone
- · Replies 3 ·
Calculating Moment About Axis AC for a Given Force Vector
- Colts
- · Replies 2 ·
How Do You Calculate the Work Done to Reach Maximum Height on a Planet?
- 000
- · Replies 10 ·
Force on charge q2 from q1 using Coulomb's law
- name of user
- · Replies 2 ·
Having trouble with some simple physic questions.
- Mr. Fish
- · Replies 14 ·
How to Calculate the Electric Field Between Two Conducting Infinite Plates?
- 1MileCrash
- · Replies 2 ·
How Do You Calculate the Power Output of a Motor on an Inclined Ramp?
- DoJang
- · Replies 5 ·
Solve 1D Motion Questions: Determine Velocity, Max Height, Time Req.
- oreosama
- · Replies 2 ·
Nellie Newton hangs at rest from the ends of the rope as shown.
- pbody
- · Replies 5 ·