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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Approximating Alternating Series w/ 0.0000001 Accuracy: 4 Terms Needed
- ProBasket
- · Replies 4 ·
Are there any good math notes website?
- Fila
- · Replies 2 ·
Why don't these perpendicular planes look perpendicular in Maple?
- Omid
- · Replies 7 ·
Correctly solve this wave related question with step-by-step explanation
- Logistics
- · Replies 4 ·
How to Solve Parabolic Equations
- yeuVi
- · Replies 3 ·
What is the blood beat frequency?
- confused1
- · Replies 2 ·
What is the misconception about the polar equation of a hyperbola at theta = pi?
- RadiationX
- · Replies 3 ·
Calculating Time to Melt 8.78kg of Ice in a Styrofoam Icebox
- espnaddict014
- · Replies 2 ·
Period of lightly damped system with amplitude decay
- Ady_h
- · Replies 2 ·
Solving Pendulum Question on Physics Quiz: Length 2m, 10 Oscillations in 32 secs
- NoHeart
- · Replies 2 ·
How Much Current Flows Through a 300-W Computer Using 120 V?
- mark9159
- · Replies 2 ·
Solving y'(t) = 0.06 - y/1040 by separation of variables
- JasonJo
- · Replies 2 ·
Finding the derivative of tan⁻¹(1/ln(x))
- UrbanXrisis
- · Replies 8 ·
How to differentiate an absolut value, f(x)=│x^2-4│
- gillgill
- · Replies 5 ·
Why does dy disappear when integrating dy/y?
- UrbanXrisis
- · Replies 19 ·
What Are Good Physics Textbooks with Problems and Solutions Included?
- Dathascome
- · Replies 6 ·
Intervals of Increase and Decrease for e^x = e^-2x
- erik05
- · Replies 4 ·
How Much Gold Can Be Plated Using the Current That Plated 4.97g of Silver?
- scavok
- · Replies 3 ·
Gravitational force between a particle and sphere
- UrbanXrisis
- · Replies 18 ·
Finding specific heat and heat of fusion from a 1000g heating graph
- Tokimasa
- · Replies 2 ·
Why can't I multiply independent binomial probabilities for drawing colored M&Ms?
- OneSquared
- · Replies 2 ·
Solving for x in an Arithmetic Progression with Given Sum and Terms
- mark-ashleigh
- · Replies 8 ·
Propane Tank Problem: Will Any Propane Vent at 125 psi?
- nineeyes
- · Replies 2 ·
Trouble with Simple Harmonic Motion
- shawonna23
- · Replies 5 ·
Blackbody radiation and stefans constant
- Logistics
- · Replies 3 ·
How Loud Are 1000 Flies Compared to One?
- confused1
- · Replies 3 ·
Who Can Solve These College-Level Science Problems?
- wassam
- · Replies 6 ·
Checking Answers for Comparison Test
- ProBasket
- · Replies 6 ·
Sojourner rover gravity, weight, and energy on Mars
- dabouncerx24
- · Replies 2 ·
Help With 3 Forgotten Problems Before Monday Test
- lilnate525
- · Replies 6 ·
What is the Power Loss in a 20 Ohm Resistor in a Circuit?
- poopoo16
- · Replies 9 ·
Understanding Second Order Algorithms
- schattenjaeger
- · Replies 12 ·
Two positive numbers with sum 18, product of first and square of second is maximum
- scorpa
- · Replies 6 ·
How Does Aperture Size Affect Exposure Time in Photography?
- sghaussi
- · Replies 3 ·
Writing a math poem with five math words
- air_zxt
- · Replies 8 ·
How Does Object Distance Affect Image Position in Refraction Problems?
- sghaussi
- · Replies 2 ·
Closest approach of two trains on perpendicular tracks
- stunner5000pt
- · Replies 2 ·
Calculate Resolving Power of Microscope w/ 1.30cm Aperture
- six789
- · Replies 10 ·
Ellipse Compression and Expansion
- cocoavi
- · Replies 2 ·
Find planet mass and surface weight from density function D(r)
- ninjagowoowoo
- · Replies 9 ·
How Does Wavelength Affect Single Slit Diffraction Patterns?
- six789
- · Replies 20 ·
Refraction of light at air/water interface
- komal
- · Replies 2 ·
Volume of air bubble rising from 80m depth in seawater
- ibnuts
- · Replies 28 ·
Electromagnetic problem from 3rd year course
- ApeXaviour
- · Replies 2 ·
Could Tunnel Construction on the Moon Solve Earth's Practical Problems?
- UrbanXrisis
- · Replies 3 ·
Thermistors and potential divider circuits
- goodall
- · Replies 2 ·
Using comparison tests on three series
- ProBasket
- · Replies 3 ·
Calculating Angular Momentum of an Aircraft Near Pittsburgh
- tony873004
- · Replies 2 ·
Bernoulli's Principle of a pipe
- APool555
- · Replies 5 ·
Solve 2^(2x) = 8x for x
- abia ubong
- · Replies 13 ·
Calculating Energy to Rotate Magnetic Dipole in Solenoid
- dibilo
- · Replies 2 ·
Why graph frequency vs. 1/wavelength in resonance experiment
- SphericalStrife
- · Replies 2 ·
How Does a Split Ring Commutator Enhance Motor Speed?
- milkshake14
- · Replies 2 ·
Understanding Alternating EMF and Electric Field in Circular Plate Capacitors
- bertholf07
- · Replies 2 ·
Left and Right Hand Rules - Physics
- scorpa
- · Replies 5 ·
How Can Energy Be Used Without Performing Work?
- znicolaou
- · Replies 3 ·
Calculating Impact Speed of Asteroid on Earth - Neglecting Atmospheric Friction
- ninjagowoowoo
- · Replies 2 ·
Catapult/Seesaw Calculations, part 2?
- Milchstrabe
- · Replies 8 ·
How Do You Solve This Related Rates Problem Involving Two Cars and a Pulley?
- ktpr2
- · Replies 5 ·
Démontrer la Croissance de (Un+1) / Un
- Sabine
- · Replies 21 ·
Resistance of Non-Conductors: Temperature Effects
- AdmiralZ
- · Replies 4 ·
Differentiating f(x)^g(x) using logarithmic differentiation
- monet A
- · Replies 8 ·
Finding the Correlation Between 6-Month Temperature and Crawling Age
- leon1127
- · Replies 2 ·
Integrating Force: Derive Distance L for AP Question
- aber
- · Replies 4 ·
How Do You Calculate the Damping Coefficient of a Pendulum?
- Punchlinegirl
- · Replies 2 ·
Calculating Angular Velocity of 0.600 m Flywheel
- masterthephysics
- · Replies 16 ·
What is the process for determining the Fourier series of (sin(x))^2?
- Gza
- · Replies 5 ·
Is Distributing or Using FOIL Better for Expanding (5t-1)(25t^2+5t+1)?
- thomas576
- · Replies 4 ·
Counting 5-digit numbers with distinct and odd digits
- tae3001
- · Replies 5 ·
Conservation of angular momentum of a turntable
- ~angel~
- · Replies 9 ·
Why is the derivative of cos(sin(x)) equal to cos(sin(x)) not -sin(sin(x))?
- monet A
- · Replies 3 ·
Solve Pendulum Problem: Indiana Jones Swinging at 17°
- Punchlinegirl
- · Replies 2 ·
Building a rocket to launch an egg 30-40 feet safely
- explorien86
- · Replies 8 ·
What Are the Easiest Methods to Solve nPr=60 for n When r=3?
- zenity
- · Replies 2 ·
Snowball melting: finding diameter decrease rate from surface area
- ktpr2
- · Replies 2 ·
Planar graphs with minimum degree
- JaeSun
- · Replies 2 ·
Calculating Satellite Orbit Period: A Misstep
- Punchlinegirl
- · Replies 2 ·
Prove that primes of the form 4n+1 are infinite
- tamalkuila
- · Replies 5 ·
Laws or motions and a truck that won't move.
- azertyq
- · Replies 2 ·
Charge on fingertip from electrostatic spark to metal truck
- Josh123
- · Replies 2 ·
Help with integrating the factorial function x!
- abia ubong
- · Replies 2 ·
Finding the Area of ABMN: A Geometry Problem
- fork
- · Replies 5 ·
Grinding wheel angular velocity, acceleration and stopping time
- la673
- · Replies 8 ·
Finding d2y/dz2 for Calculating Derivatives with Variable Change
- mattlorig
- · Replies 2 ·
Force Exerted by Table on Stick at Release
- No Name Required
- · Replies 27 ·
Revolving Ball on String Problem
- PhysicsinCalifornia
- · Replies 8 ·
Calculating Acceleration of a Yo-Yo Using Torque and Moment of Inertia
- Liokh
- · Replies 5 ·
Prove that sin 1 > cos ( sin 1 )
- maverick280857
- · Replies 2 ·
How many photons per second trigger the eye as a detector?
- Reshma
- · Replies 10 ·
Rotational Dynamics disk of radius Question
- Hoofbeat
- · Replies 3 ·
Pendulum period in accelerating frames and spring-mass resonance
- ninjagowoowoo
- · Replies 3 ·
Gravity on mass on earth's surface vs sun-earth gravity
- ninjagowoowoo
- · Replies 2 ·
How Do You Convert Molarity to PPM for Calcium Hardness in Pools?
- dagg3r
- · Replies 3 ·
Why is the constant positive in y = 1/(6x-x²+13)?
- UrbanXrisis
- · Replies 11 ·
What Current Will Flow Through a Rescuer in an Electrical Accident?
- jmandas
- · Replies 2 ·
How many 6-digit numbers greater than 800,000 from digits 1, 1, 5, 5, 5, 8?
- Format
- · Replies 2 ·
Calculating Maximum Acceleration in Simple Harmonic Motion
- Punchlinegirl
- · Replies 3 ·
Thermodynamics work required per unit mass problem
- nineeyes
- · Replies 2 ·
Solve 2D Vectors Problem: Ferry Boat Crosses River
- jen333
- · Replies 4 ·
Refresh my memory on centripital force/acceleration
- benji
- · Replies 2 ·