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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How Do Transformations Affect Logarithmic Graphs?
- maccaman
- · Replies 5 ·
Finding total resistance of circuits with cells in parallel
- highschoolguy
- · Replies 4 ·
What Are Some Good Websites for Physics Practice Questions?
- zeuse
- · Replies 2 ·
Maximum charge on parallel-plate capacitor with field limit
- imationrouter03
- · Replies 5 ·
Arc Length of Curve r(t) from 0 to 1: Find the Integral
- SummerPhysStudent
- · Replies 2 ·
Solve the Crazy e/m Problem: Change in Capacitance Required for Detection
- imationrouter03
- · Replies 8 ·
Can You Solve ax^2-40x+40=0 for Both a and x?
- dbn
- · Replies 9 ·
How Far Must a Key Be Depressed to Detect a Change in Capacitance in a Keyboard?
- imationrouter03
- · Replies 3 ·
Find the Apparent Weight: Solving for Volume
- akatsafa
- · Replies 2 ·
Angular momentum after hydrogen photon emission and electron microscope wavelength
- yoshima
- · Replies 3 ·
Proving tan2x·secx = 2sinx·sec2x and related identity
- KnowledgeIsPower
- · Replies 15 ·
Question when doing a simple investigative experiment .
- terpsgirl
- · Replies 2 ·
Which Circuits Cannot Be Reduced to a Single Equivalent Resistor?
- conkermaniac
- · Replies 11 ·
Calculating Final Temperature of Isolated System with Ice and Water
- marcov8
- · Replies 10 ·
Work and internal energy in an ideal gas cycle
- khermans
- · Replies 6 ·
Understanding Buoyant Force: Impact of Density on Objects Immersed in Water
- akatsafa
- · Replies 5 ·
Simple harmonic motion and amplitude of an object
- wilmerena
- · Replies 2 ·
Two like charges repel with 3.5N; what's the force if distance increases fivefold?
- DSM4Life
- · Replies 5 ·
How do I find the launch speed of a projectile?
- wilmerena
- · Replies 3 ·
How Much Should Guitar String Tension Be Reduced to Lower Frequency by 2%?
- bpogi
- · Replies 5 ·
What is the Relationship Between R, v0, θ, and d in Projectile Motion?
- bullet_ballet
- · Replies 2 ·
Why do mirrors reverse images left-to-right?
- relinquished™
- · Replies 4 ·
Entropy Question: Calculating Entropy Change for a Diamond
- Jerzey2Atl
- · Replies 2 ·
Initial Velocity Calc From Potential Energy (2D Projectile Motion)
- AcEY
- · Replies 2 ·
Angular displacement of car tires during acceleration
- wilmerena
- · Replies 2 ·
Can anybody differentiate this to simplest formy=4/3+5cosx
- lakshmi
- · Replies 12 ·
Physics Assesment : Copper wires resistance
- Turkish
- · Replies 2 ·
How Do I Solve Problems Involving Work and Kinetic Energy?
- Physicshelpneeded
- · Replies 3 ·
Calculating Electric Force between Identical Charged Rods
- AgPIper
- · Replies 5 ·
Angular Momentum of a Spinning Coin
- cpuwildman
- · Replies 7 ·
Calculating Force on Potassium Ion Due to Electric Field
- thebigbluedeamon
- · Replies 2 ·
Electric Potential (w/ a pendulum :P)
- AgPIper
- · Replies 2 ·
What is the net magnetic field at a point due to perpendicular currents?
- thebigbluedeamon
- · Replies 3 ·
Find Min Value of r for Unfalling Brick
- e(ho0n3
- · Replies 11 ·
C program: reading chars then ints
- Math Is Hard
- · Replies 6 ·
Precipitating cations with HCl and H2S using solubility rules
- ACLerok
- · Replies 2 ·
Math Struggles: A College Student's Dilemma
- decibel
- · Replies 7 ·
Light question .difficulty finding answer
- terpsgirl
- · Replies 3 ·
What Equation Do You Use to Calculate Average Net Force on a Bouncing Superball?
- Physicshelpneeded
- · Replies 9 ·
What is the acceleration of a simple pendulum at the lowest point of its swing?
- Rockdog
- · Replies 13 ·
Who First Proposed Sun-Like Stars Exist? The Arguments Behind It
- hellfire
- · Replies 3 ·
Acoustics homework problem help
- quarky
- · Replies 2 ·
How Much Additional Force Is Needed to Hold a Water Hose Stationary?
- djlightsout06
- · Replies 10 ·
How Fast Does the Ladder Slide Down the Wall?
- ladyrae
- · Replies 3 ·
Is doctorate the highest level at a university?
- EngTechno
- · Replies 16 ·
What Factors Affect the Measurement of Reaction Rates in a Closed System?
- mikeyman2010
- · Replies 7 ·
Calculate missing mass from given impulse
- siemieniuk
- · Replies 2 ·
Puzzler for newbies to electrostatics
- maverick280857
- · Replies 13 ·
Comparing particle counts in ionic and molecular solutions
- recon
- · Replies 6 ·
What Is the Probability of Selecting Two Cards That Sum to 3 from a Stack of 6?
- UrbanXrisis
- · Replies 7 ·
Can one become an ameteur Mathematician or Physisict still?
- ygolo
- · Replies 3 ·
Finding hero's speed to catch escaping warship at L4
- Omid
- · Replies 2 ·
C program; trouble with doubles
- Math Is Hard
- · Replies 15 ·
How Is Speed Calculated in Elastic Collisions?
- chickens
- · Replies 5 ·
No. of disjunctions during meiosis
- avaxtasafi
- · Replies 2 ·
Find Friction for Cube on Rough Floor
- e(ho0n3
- · Replies 6 ·
Thermal expansion of diameter of pipe filled with water
- thermalquestion
- · Replies 8 ·
Light rays between mirrors at 125 degrees and refraction problems
- supermenscher
- · Replies 8 ·
Determining Tension in Uniform Steel Cable
- e(ho0n3
- · Replies 10 ·
Perpetual Motion: Can the Student's Idea Work?
- dajugganaut
- · Replies 6 ·
Solving Vector Problems: Displacement and Magnitude Calculations
- schrodingersequation
- · Replies 2 ·
Thank you for helping me with my self-paced physics lab
- daisyi
- · Replies 2 ·
Can somebody explain Einstein's mass-energy relation?
- lakshmi
- · Replies 3 ·
Correcting Typos in REA Solution Books to Mechanics
- Will
- · Replies 2 ·
How Do You Solve These Temperature and Heat Problems?
- terpsgirl
- · Replies 3 ·
Final temperature when 30g ice at -20°C mixes with 60g water at 60°C
- daisyi
- · Replies 2 ·
Conservation of momentum of plate drop
- romy
- · Replies 2 ·
Is x rational if xy/(x+y) = a, xz/(x+z) = b, yz/(y+z) = c?
- sjaguar13
- · Replies 3 ·
How does increasing nuclear force affect nucleon potential energy?
- lakshmi
- · Replies 2 ·
What is the Net Force and Reading on Spring Scale F2?
- Physicshelpneeded
- · Replies 3 ·
Electromagnetic wave frequency and wavelength calculation errors
- supermenscher
- · Replies 5 ·
Electric flux through a planar loop with charges on either side
- Theelectricchild
- · Replies 2 ·
Kinetic energy and momentum of two objects
- wilmerena
- · Replies 5 ·
How Do You Calculate Rotation Angles and Motion in Physics Problems?
- winterma
- · Replies 2 ·
Totally lost on magnetic flux question
- supermenscher
- · Replies 2 ·
How Should a Constant Force Affect an Acceleration-Time Graph?
- Physicshelpneeded
- · Replies 3 ·
Can AM Radio Waves Pass Through Glass Better Than FM?
- Kloka
- · Replies 2 ·
How Does Throwing an Anchor Overboard Affect a Barge's Buoyancy?
- Brianjw
- · Replies 3 ·
Conservation of a mechanical energy question
- wilmerena
- · Replies 2 ·
Can Modulo Calculations Demonstrate These Number Theory Properties?
- 1+1=1
- · Replies 2 ·
How Slow Must the Car Go to Stay Safe on a Wet, Unbanked Curve?
- akatsafa
- · Replies 2 ·
Question on aristotles theory of motion
- terpsgirl
- · Replies 2 ·
Where Can I Find Practice Midterms for College Physics?
- StonedPanda
- · Replies 2 ·
This Must B Da Most Easiest Phy Prob.
- scisyhp
- · Replies 6 ·
Work and Kinetic Energy and elastic collision
- siemieniuk
- · Replies 4 ·
Explosion Question did I do this correctly?
- siemieniuk
- · Replies 5 ·
Force and acceleration and graphs
- Physicshelpneeded
- · Replies 3 ·
How Do I Draw a Scale Diagram for Two Forces Acting on an Object?
- Physicshelpneeded
- · Replies 2 ·
Unsatisfied with Borland C++: Needing Assistance
- SeaBorne
- · Replies 2 ·
Atmosphere height with linearly decreasing air density
- Zorodius
- · Replies 5 ·
Bucking bull SHM and hollow sphere pendulum period
- Brianjw
- · Replies 7 ·
Why Should the Boat Head in a Specific Direction to Cross the River Quickly?
- mikeyman2010
- · Replies 5 ·
Finding distance, time, and acceleration for v=2x-9/x
- faust9
- · Replies 9 ·
Calculating Distance Using Speed and Time: A Kinematics Problem
- Omid
- · Replies 2 ·
Defferentiate this to simplest formy=a+bcosx/b+acosx
- lakshmi
- · Replies 15 ·
Resources for secondary math teachers and NCTM membership worth it?
- 1+1=1
- · Replies 3 ·
How do you finish tests faster?
- Mark
- · Replies 13 ·
Calculating Kerosene Tank Height from Leak Rate
- daisyi
- · Replies 6 ·
Calculate RPM of 100m Diameter Space Habitat for Simulated Gravity
- galoshes
- · Replies 9 ·
Fish maintaining position in water
- Zorodius
- · Replies 3 ·