Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Finding Constants for a Differential Equation
- Orion1
- · Replies 4 ·
Finding the center of a conic ax² + 2hxy + by² + 2gx + 2fy + c = 0
- mattmns
- · Replies 11 ·
Mechanical Energy of a Spacecraft
- kitz
- · Replies 4 ·
Calculate the buoyant force exerted by the water on the sphere
- MAPgirl23
- · Replies 3 ·
Can an egg bounce on a single spring from 1.5 meters?
- koozl
- · Replies 2 ·
Calculating square feet of a tent/triangle
- EvilMenace[2]Society
- · Replies 2 ·
Compressed reversibly and adiabatically problem
- koomanchoo
- · Replies 2 ·
What matters more for chemistry: atomic mass or atomic number?
- J_o_S
- · Replies 9 ·
How can I simplify inverse trig derivatives with fractions?
- Struggling
- · Replies 4 ·
Vector Dynamics on an Inclined Plane
- seiferseph
- · Replies 4 ·
Marathoner running at 11 mph twice using mean value theorem
- wisredz
- · Replies 8 ·
Young's interference: where do 540nm and 450nm bright fringes coincide?
- DDS
- · Replies 7 ·
How Does Bath Oil Depth Affect Soap Buoyancy?
- DDS
- · Replies 33 ·
Solve the Differential Equation: (1 - x^2) y'' - (4x) y' + (6) y = 0
- VinnyCee
- · Replies 2 ·
Solving Physics Problem: Find Coefficient of Friction
- Eiano
- · Replies 4 ·
Show that the intersection of finitely many conjugates of H has finite index
- AKG
- · Replies 15 ·
Finding Moment of Inertia for Rotated Solid: y=sinx, x-axis, [0,pi]
- devious_
- · Replies 2 ·
Light path in reflecting telescopes for research paper
- actingbiz1
- · Replies 2 ·
Help reviewing final exam physics problems
- Oxymoron
- · Replies 7 ·
Airplane magnitude and direction
- jena
- · Replies 2 ·
Is the Subset S Open, Closed, or Neither in Various Complex Spaces?
- Oxymoron
- · Replies 6 ·
What Is the Maximum Work Done and Thermal Efficiency of a Steam Plant?
- steamer
- · Replies 2 ·
How Can I Solve These Linear Transformation Problems?
- Mathman23
- · Replies 13 ·
Connecting with Other Participants in the International Talent Search
- physics4ever
- · Replies 2 ·
Proving Chain Rule for Partial Derivatives in Calculus 3 Extra Credit Problem
- ACLerok
- · Replies 5 ·
Circular Motion of a space station Problem
- kye6338
- · Replies 4 ·
What is the shortest path from A to B on the beach?
- punjabi_monster
- · Replies 4 ·
Given height, and velocity thrown upward, find air-time
- bigman8424
- · Replies 8 ·
Why is friction uphill on a cylinder on a slope?
- ascky
- · Replies 6 ·
When does Ax2 + Cy^2 + Dx + Ey + F = 0 represent a parabola
- gillgill
- · Replies 2 ·
Magnitude of hydraulic force to lift ladder at point C
- MAPgirl23
- · Replies 13 ·
Calculating Final Temperature with Aluminium and Ice
- ~angel~
- · Replies 2 ·
Cathode ray tube(CRT) question
- F|234K
- · Replies 7 ·
Speed of rotor tip with 7.6m diameter at 450 rev/min
- john_halcomb
- · Replies 6 ·
Solve Stone Thrown from 40m Tower at 60° Angle: Find Speed
- badman
- · Replies 12 ·
Simplifying the radical sqrt(6/70q²)
- xLaser
- · Replies 13 ·
Mass spectrometer separation of 24Mg and 25Mg isotopes
- scorpa
- · Replies 2 ·
Struggling with Electromagnetics Problem in Cheng's Book?
- ECE302
- · Replies 2 ·
Calculate Volume of Balloon to Lift 3670 kg Package
- DDS
- · Replies 9 ·
How Does Adding a Plastic Sheet Affect the Double Slit Interference Pattern?
- DDS
- · Replies 17 ·
Solving 5^(2x) + 4(5)^x = -3 with substitution
- cscott
- · Replies 10 ·
How far does light go in a nanometer?
- bigman8424
- · Replies 3 ·
Can You Prove Simple Harmonic Motion for a Mass Spring System?
- repugno
- · Replies 4 ·
Gravity on Venus and finding the sun's mass from orbital data
- MAPgirl23
- · Replies 9 ·
Downward, find airtime, velocity
- bigman8424
- · Replies 3 ·
How to Calculate Tension and Acceleration for a String Wrapped Around a Hoop?
- MAPgirl23
- · Replies 2 ·
How much heat will be generated when a bullet hits a cart?
- haki
- · Replies 2 ·
Measuring Spring Elongation in a Water-Filled Beaker
- DDS
- · Replies 17 ·
Boiling & Freezing water at the same time?
- futureteacher
- · Replies 3 ·
Wave Drag: Is it the Same as Fluid Resistance?
- Raparicio
- · Replies 4 ·
Which Electrode is the Cathode in an Electrochemical Cell?
- Mozart
- · Replies 4 ·
Difficult to understand a wave.
- bibstha
- · Replies 6 ·
What are some challenging chemistry questions and how can they be solved?
- ~angel~
- · Replies 2 ·
Expanding a trinomial using binomial theorem
- xLaser
- · Replies 11 ·
Calculating Beats in a Room with Multiple Speakers and Moving Student
- DDS
- · Replies 2 ·
What Happens if CuSO4 is Added Before Connecting the Power in Electroplating?
- ms. confused
- · Replies 3 ·
Partial Implicit Differentiation
- mattmns
- · Replies 3 ·
Fundamental frequency of wire with changed length, diameter and tension
- DDS
- · Replies 22 ·
How to Solve Physics Electromagnetism Problems
- seiferseph
- · Replies 4 ·
Solving Equilibrium Constant: 2A(g)⇌B(g)+C(g)
- jdstokes
- · Replies 2 ·
How Does Current Flow in a Direct Coupled Oscillator Circuit?
- preet
- · Replies 2 ·
Balanced net ionic equation for redox reaction
- LizziePearl
- · Replies 2 ·
What do you think of The Elegant Universe book?
- Nevek
- · Replies 6 ·
Increasing the speed of an ac motor
- HWeber
- · Replies 2 ·
Which class of levers is the most 'efficient'?
- abbott.121
- · Replies 2 ·
Are Hydrogen and Chlorine Gases at the Same Temperature in a Mixed Container?
- Jchem
- · Replies 2 ·
Eigenvalue problem what am i doing wrong?
- qqchico
- · Replies 18 ·
Parametric plot of baseball trajectory at different launch angles
- DivGradCurl
- · Replies 6 ·
Display a number, on a single 7 segment LED display
- MirrorM
- · Replies 2 ·
Having trouble figuring a problem out
- frankfjf
- · Replies 14 ·
Algorithm to check if an integer is prime in Java
- JasonJo
- · Replies 9 ·
Solve Stones and Velocity: 18 m/s, 11m, 0.77 sec
- jena
- · Replies 2 ·
Calculating Distance on a Rollercoaster Using Impulse Method
- Frank_Horrigan
- · Replies 5 ·
Why Is the Electromagnetic Force of the Table on the Book Considered Negligible?
- briton
- · Replies 3 ·
Finding mechanical and thermal energy of a pendulum from photogate data
- homeslice
- · Replies 5 ·
Finding object density from buoyancy in water and oil
- DDS
- · Replies 2 ·
Are the Paths of Reparameterized Functions Identical?
- jessawells
- · Replies 5 ·
What Are the Parameters for Creating 1G to 5G Forces in a Rotational Machine?
- golith
- · Replies 2 ·
Calculate Depth of Floating Instrument: 0.219 kg in Water
- DDS
- · Replies 2 ·
Can You Calculate the Mass of a Water Molecule Using Avogadro's Number?
- Kamataat
- · Replies 7 ·
Easy speasy but i dont get it.
- shimmeringlight
- · Replies 7 ·
Calculating Upward Contact Forces of Uniform Ladder
- m3trj
- · Replies 2 ·
Why do cells connected in parallel last longer?
- DeathKnight
- · Replies 1 ·
How many bounces until the ball reaches a height less than 15cm?
- ms. confused
- · Replies 20 ·
Trouble Drawing Diagram: 10 A Current North, 42° East Magnetic Field
- usfz28
- · Replies 2 ·
Maximizing sum of distances to power alpha on a sphere
- vladimir69
- · Replies 2 ·
Calculating Speed of 4kg Block using Energy Methods
- kitz
- · Replies 6 ·
Using gamma spectra to identify elements in rocks
- muralee
- · Replies 2 ·
Chemistry final exam questions on equilibrium, pH, and redox reactions
- Dooh
- · Replies 9 ·
What is the effect of a steady force on a cyclic object on a smooth surface?
- C0nfused
- · Replies 6 ·
How Is the Force Between Two Electrons Calculated at a One Meter Distance?
- Aprilshowers
- · Replies 8 ·
Calculating Volume Displaced for Sinking Objects
- michaelw
- · Replies 7 ·
Moment of Inertia of a particle
- verd
- · Replies 22 ·
Understanding X-Ray Spectra Graphs
- Snowy
- · Replies 4 ·
Measuring Spheres: How to Use the Formula (4/3 π r3)
- cubed
- · Replies 4 ·
Calculus N00b: Find the Second Derivative
- gschjetne
- · Replies 5 ·