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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Calculating Spherical Harmonics Cuadratic Dispersion
- altered-gravity
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One question, should be a quickie
- ninoslino
- · Replies 2 ·
Why Is My Calculation of the Net Electric Field Incorrect?
- Brianjw
- · Replies 4 ·
What is the force between two point charges at a 45 degree angle?
- jimithing
- · Replies 6 ·
Does only the Tangential momentum count
- Gmaximus
- · Replies 3 ·
How should I prepare for calculus and physics courses?
- Tom McCurdy
- · Replies 2 ·
Calculus maxima and minima word question can't understand
- singleton
- · Replies 2 ·
Solving a Rowing Kinematics Problem: Finding the Rate of the Current
- Omid
- · Replies 5 ·
What Is the Charge q That Balances Forces in a Square Configuration?
- sbraman
- · Replies 3 ·
How does kinetic friction affect a spinning body?
- Gmaximus
- · Replies 8 ·
Is My Approach to Solving the Schrodinger Equation Correct?
- cepheid
- · Replies 13 ·
Straw bridge design for 50cm span with weight loading test
- amwbonfire
- · Replies 3 ·
What are some numerically stable forms of common mathematical expressions?
- Kalimaa23
- · Replies 4 ·
Having trouble with Integration by Parts
- relinquished™
- · Replies 4 ·
What is the proper format for a term paper in English Comp. class?
- Math Is Hard
- · Replies 3 ·
Schwarz Inequality and Irrational Numbers
- courtrigrad
- · Replies 8 ·
How to Solve Cartesian Co-ordinates in Lagrangian Mechanics?
- mooberrymarz
- · Replies 8 ·
Book recommendations for nuclear physics fundamentals
- lakshmi
- · Replies 4 ·
2nd (and last) probl. - threshold temperature for intermediate vector boson Z?
- Linda
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Solving for F(x) = 1 / (sec x) + cos x
- Short term memory
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Solving Trigonometric Equation: Alternate Methods?
- Short term memory
- · Replies 3 ·
How Do You Calculate Final Pressure in Connected Ideal Gas Containers?
- Zorodius
- · Replies 5 ·
Integrating an Electric Field Due to an Arc of Charge in Polar Coordinates
- quarkman
- · Replies 3 ·
Finding Derivatives: y' of (sinx)^x and More
- parwana
- · Replies 5 ·
Calculating Time and Distance in a Moving Lift
- Jamez
- · Replies 18 ·
Cartesian coordinates in 3D problem.
- Gaz031
- · Replies 8 ·
Percent Uncertainty of a spherical beach ball
- Anamoly
- · Replies 3 ·
Resistance between points A and B in chain network with Kirchhoff's laws
- marlon
- · Replies 7 ·
Calculate the substitution resistance
- marlon
- · Replies 4 ·
How to find velocity using integration
- Shay10825
- · Replies 5 ·
Angular velocity and acceleration of a flywheel system
- faust9
- · Replies 7 ·
Finding the simplified form of a complex mathematical expression
- ambuj123
- · Replies 21 ·
Some wacky spring/hinge problem
- septinite
- · Replies 8 ·
Finding the angular displacement
- Schu
- · Replies 2 ·
How does water pressure affect an underwater living chamber?
- alonzo
- · Replies 2 ·
Moment of Inertia: Find Answers to 2 Problems
- mr_joshua
- · Replies 2 ·
What is the combined speed of two rugby players after a tackle?
- jazzchan
- · Replies 2 ·
Compute Expected Code Length of 5 Nodes
- david90
- · Replies 2 ·
Why can mosquitoes see in the dark?
- 1234
- · Replies 3 ·
Finding the Right Parameters for a Safe 40m Bungee Jump
- Aly
- · Replies 2 ·
Does Using a Lens with a Light Sensor Enhance Object Detection?
- kdkdkd
- · Replies 2 ·
Rms speeds at 20 degrees celcius of atoms of helium
- thomas
- · Replies 3 ·
Rate of Flow of Fluids Experiment?
- jengshe
- · Replies 2 ·
G and T of Pendulum: Solving Challenge Problems with Simple Formulas
- suffian
- · Replies 2 ·
Help with Newton's Problem | Get Assistance Here
- abc
- · Replies 8 ·
What Is the Correct Deceleration to Avoid a Collision in a Kinematics Problem?
- NoPhysicsGenius
- · Replies 9 ·
Solve Integration Problem: x^2/(x-2) dx
- Gaz031
- · Replies 7 ·
Trouble with this integral and only an hour to solve it
- Brianjw
- · Replies 2 ·
Carnot Engine - Carnot Refrigerator
- shingetsunohimitsu
- · Replies 2 ·
Calculating the Angle at Which a Marble Falls Off a Smooth Sphere
- dibilo
- · Replies 20 ·
Solve 2 Mass String Remote Control Problem
- AbsolutDreamcast
- · Replies 2 ·
How to rearrange coulomb's law equation to make q2 the subject
- jillmus
- · Replies 10 ·
Is the derivative of sec 5x equal to 5 sec 5x tan 5x?
- ladyrae
- · Replies 26 ·
Showing X and Y cannot both be further from 1 than each other
- jimbo007
- · Replies 2 ·
Having difficulty finding the inverse laplace transform
- Theelectricchild
- · Replies 8 ·
A probability problem, mathematics 12
- ak
- · Replies 2 ·
What requirements does an innovation need to be a good invention?
- EngTechno
- · Replies 2 ·
Solving Oscillating Buoy Problem - ANU Physics/IPhO Q3
- intern
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Does a box at the lake bottom experience buoyant force?
- conkermaniac
- · Replies 3 ·
Integration via substitution problem.
- Gaz031
- · Replies 2 ·
How Does the Diameter of a Water Stream Change as It Falls?
- e(ho0n3
- · Replies 11 ·
Magnetic Force on a Particle at Zero Velocity
- RunsWithKnives
- · Replies 5 ·
What is the moment of inertia for a rotating disk with a hanging mass?
- mr_joshua
- · Replies 4 ·
Simple physics experiment for quantum and nuclear concepts
- pinecone
- · Replies 2 ·
Did Ancient Olympians Jump from Heights with Weights?
- jinxy
- · Replies 2 ·
What Is the Speed of a Point on a Car Tire in Motion?
- scoutfai
- · Replies 3 ·
Advanced placement preparation books
- needhelpperson
- · Replies 4 ·
Reflection or not with two layers with different indices of refraction
- daisyi
- · Replies 3 ·
Why is the pressure inside a soap bubble higher than outside?
- e(ho0n3
- · Replies 18 ·
Do you prefer walking across a flat or arched type design?
- Hypercase
- · Replies 14 ·
How much will the aluminum wire stretch under a 3.57 kg load?
- Schu
- · Replies 4 ·
Rotational Motion FInding the total ENergy
- Schu
- · Replies 3 ·
Problems regarding static equilibrium
- siemieniuk
- · Replies 2 ·
How Does Increasing Coil Turns Affect Electromagnetic Force in a Solenoid?
- Leese_16
- · Replies 2 ·
Find Wavelength of Light Through Slits
- daisyi
- · Replies 4 ·
-Change in Mechanical Energy (Gr 11 Prac)-
- Dovekie
- · Replies 14 ·
Longitudinal waves, thickness of an element
- Zorodius
- · Replies 7 ·
Showing Tangency of a Line and Circle: Simplifying the Equation Method
- Gaz031
- · Replies 3 ·
Calculating Torque of a Solid Cylinder
- Schu
- · Replies 8 ·
Gauge pressure in an accelerating elevator with a water tank
- alonzo
- · Replies 4 ·
Partial derivative of a longitudinal wave displacement function
- Zorodius
- · Replies 3 ·
Two vertical wires in series with DC and AC current
- non-ricer
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What Are the Possible Values of m for a Tangent Line to a Circle?
- Gaz031
- · Replies 5 ·
Calculating Acceleration on a Parabolic Curve
- dibilo
- · Replies 6 ·
Parallelepiped with fixed surface area and maximum volume
- StonedPanda
- · Replies 3 ·
Finding force on a third particle given final velocity and center of mass
- mr_joshua
- · Replies 6 ·
Simple kinematics sprinter problem
- david90
- · Replies 6 ·
Solving for a variable in algebraic equations
- woz
- · Replies 3 ·
Standing wave frequency when sculpture is partially submerged in water
- Brianjw
- · Replies 9 ·
Two masses and pulleys: why do I keep getting g for acceleration?
- pirland
- · Replies 8 ·
Pressure of a Rotating Bucket of Liquid
- e(ho0n3
- · Replies 18 ·
Force within coil: compression or expansion?
- dajugganaut
- · Replies 8 ·
Why is the torsional constant of a wire inversely related to its length?
- yokan
- · Replies 2 ·
Braking force on a 1000 kg car stopping in 10 seconds
- galoshes
- · Replies 4 ·
Solve Physics Free Fall Question: Height of Building
- Corneo
- · Replies 6 ·
Estimating rubber loss from car tires and traffic volume
- Try hard
- · Replies 2 ·
Minimum concrete dam thickness to prevent overturning
- e(ho0n3
- · Replies 7 ·
Job Comparison: NASA, Boeing, Northrop Grumman - Pros/Cons
- EngTechno
- · Replies 2 ·
C Programming: Using fopen() to Write Files
- Math Is Hard
- · Replies 8 ·
Calculating Wave Pulse Travel Time with Clothesline Density
- daisyi
- · Replies 3 ·