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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Kinetic energies of proton and electron in neutron decay with neutrino
- m00nd0g68
- · Replies 6 ·
Is Neutron Decay Consistent with Einstein's Mass-Energy Relationship?
- mike217
- · Replies 2 ·
An expression equivalent to [cos(x)+sin(x)]/[cos(x)+sin(x)]
- aisha
- · Replies 5 ·
Where Can I Find a Solution Book for Physics 4th Edition Volume I?
- Tom McCurdy
- · Replies 5 ·
Two charged spheres suspended by string: force and angle problem
- benji
- · Replies 3 ·
Accelerating an electron to half the speed of light
- Kawrae
- · Replies 3 ·
Finding currents in a multi-loop circuit
- skivail
- · Replies 6 ·
How Do You Solve This Limit Problem Involving Square Roots and Squares?
- thegame1234
- · Replies 2 ·
Are quantum theories incomplete in explaining particle organization?
- whatzzupboy
- · Replies 5 ·
Coulombs law, and 3 point particles (vector question)
- michaelw
- · Replies 2 ·
Understanding Linear Dependence in Matrix Multiplication
- amb123
- · Replies 2 ·
Completing the square in deriving the quadratic equation
- mathzeroh
- · Replies 12 ·
Finding frequency of light(simple physics)
- eax
- · Replies 2 ·
Relative motion in 1 and 2 dimensions
- RadiationX
- · Replies 2 ·
Object moving on circle at x=-2m with velocity in j direction
- RadiationX
- · Replies 5 ·
Find the rate at which its temperature changes
- jbot2222
- · Replies 2 ·
Grounded conducting cylinder using Laplace
- meteorologist1
- · Replies 5 ·
How do I find the integral of sin^3 (t) cos(tà
- courtrigrad
- · Replies 6 ·
Volume of solids of revolution with y=(x+2)^(1/2) and y=(2-x)(2+x)
- Sombra
- · Replies 2 ·
Algebra-should be simple, but isn't
- cepheid
- · Replies 19 ·
Can You Find the Function Given Its Derivative and Initial Conditions?
- courtrigrad
- · Replies 7 ·
How Fast Does Someone Travel Standing on the Equator?
- shawonna23
- · Replies 2 ·
Is the Ratio of [A^-] to [HA] Always 1 for Weak Monoprotic Acids?
- tandoorichicken
- · Replies 2 ·
Solving Forces and Angles to Load Fuel Drum
- k3l
- · Replies 5 ·
Solve Logarithmic Equation: Find x in 4.6*1.06^(2x+3)=5*3^x
- thomasrules
- · Replies 5 ·
Finding the larger angle A where csc A = 5.7023
- DethRose
- · Replies 10 ·
How many cycles until pressure decreases k times?
- Yegor
- · Replies 3 ·
Dynamics smooth circular bar Problem
- supersix2
- · Replies 8 ·
Calculating Torque, Power, and Work in a Magnetic Motor - Solving Part D
- andrew410
- · Replies 6 ·
How Do You Solve Cotangent for 4.0527 Radians?
- DethRose
- · Replies 14 ·
Trig substitution for integral of x²/√(4x²+8)
- ProBasket
- · Replies 6 ·
Magnetic field needed to overcome friction on a current-carrying rod
- andrew410
- · Replies 6 ·
Physics behind how a stethoscope works
- liv
- · Replies 2 ·
What are the challenges of solving partial derivative problems in mathematics?
- tandoorichicken
- · Replies 3 ·
Rocket Problem - Law Of Conservation Of Momentum
- adabistanesoophia
- · Replies 2 ·
A couple of basic physics problems
- ucsbjosh
- · Replies 2 ·
Current needed for zero tension in a current-carrying conductor in a magnetic field
- andrew410
- · Replies 2 ·
Thermo Heat Transfer: Water Boiling at 1 Atm Pressure
- bird91
- · Replies 2 ·
What is the volume of a rain drop?
- bjon-07
- · Replies 2 ·
How do you integrate \int e^{\sec x} \sec x\tan x dx ?
- courtrigrad
- · Replies 15 ·
Torque exerted by cranksahft on load
- sisigsarap
- · Replies 2 ·
How Does Electrostatic Force Affect Neutral and Charged Spheres?
- leolaw
- · Replies 4 ·
What is the pH of a solution containing formic acid and potassium formate?
- Kawrae
- · Replies 4 ·
Calculating Mass of a Car with KE of 1*10^6 J
- Lovely
- · Replies 10 ·
Digital Electronics: Binary-Coded-Decimal to Seven-Segment Decoder
- GTdan
- · Replies 2 ·
How to Solve a Limit Question with an Infinite - Infinite Equation
- mad
- · Replies 7 ·
How Do You Calculate the X-Component of Electrical Force on a Charge?
- GingerBread27
- · Replies 2 ·
Thin film interference on pavement
- Kawrae
- · Replies 2 ·
Ferris Wheel Acceleration: Find Magnitude, Direction, and Revolution Time
- AKstreet
- · Replies 2 ·
Calculate Force of Electric Dipole Moment
- Gale
- · Replies 9 ·
Finding current magnitude and direction through two resistors
- compute_a_nerd
- · Replies 2 ·
When and how to apply Bernoulli's equation?
- kv2
- · Replies 6 ·
Gaussian surface, and uniform charge density
- FrogPad
- · Replies 3 ·
How Does Force and Torque Affect Bicycle Chain Performance?
- theknownothing
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Determine all planes orthogonal to (1,1,1)
- Benny
- · Replies 3 ·
Questions on Mechanics (moments)
- faisal
- · Replies 6 ·
How Can You Find Seven Unit Fractions That Sum to One?
- courtrigrad
- · Replies 7 ·
Can Induction Prove the Sum of i^5 from 1 to n?
- Tom McCurdy
- · Replies 2 ·
Understanding Trig Function Questions in the Range of Pi to 2Pi
- DethRose
- · Replies 4 ·
Calculate the work done by the sliding the piano
- SilverFalcon
- · Replies 2 ·
Expert Tips for Succeeding in High School Calculus
- dekoi
- · Replies 2 ·
Simplifying [f(10+h)-f(10)]/h for f(x)=8x²-7x+5
- speed racer 5
- · Replies 7 ·
Derivative of integral with arctan and indefinite integral of sine
- mewmew
- · Replies 4 ·
How to Prove Divisibility in Math Problems?
- Nx2
- · Replies 10 ·
Trouble Solving a Plane Flight Path Problem
- Mivz18
- · Replies 2 ·
Recursive multiplication with repeated addition
- courtrigrad
- · Replies 3 ·
Calculate Frenet Apparatus for Space Curve
- Sneaksuit
- · Replies 7 ·
Where to find grade 11 physics practice questions online
- Canadian dude
- · Replies 2 ·
What is the center of mass of a pyramid?
- TraceBusta
- · Replies 20 ·
Tricky mean life question (potassium)
- JamesJames
- · Replies 4 ·
Kinematics of wooden box on slide
- theCandyman
- · Replies 4 ·
Electroscope Forces: Calculating Total Charge Applied
- thisisfudd
- · Replies 4 ·
Calculating Magnetic Field Inside a Toroidal Sample Using Ampere's Law
- Nylex
- · Replies 9 ·
How Does Differentiation Relate to Limits and Approximations?
- Phymath
- · Replies 7 ·
What Are Some Unique High School Physics Experiment Ideas?
- Lianah
- · Replies 2 ·
Which subject test matters more for pharmacy, chemistry or biology?
- Dooh
- · Replies 10 ·
What Are the Possible Values of Tan X for the Given Equation?
- Link
- · Replies 2 ·
Determine the coefficient of static friction between car and track
- HurricaneH
- · Replies 4 ·
Trig substitution for integral of x³/√(3x²−1)
- ProBasket
- · Replies 7 ·
Finding spectral exitance over a finite wavelength band using Planck's law
- cant_stop_shaking
- · Replies 3 ·
Can All Subgroup Permutations in S_n Be Even or Half Even?
- ti89fr33k
- · Replies 5 ·
Position x(t) for Particle Moving at Acceleration a(t)=6t-2
- the_d
- · Replies 2 ·
Proving ln x inequality using mean value theorem lemma
- matrix_204
- · Replies 9 ·
DeBroglie wavelength its due at 12am
- LakeMountD
- · Replies 4 ·
Net electric force on a corner charge in a rectangular array
- Kawrae
- · Replies 3 ·
Can the Set of 2x2 Matrices with Determinant Zero be a Subspace?
- andytran
- · Replies 5 ·
Checking u-substitution for exponential integrals
- courtrigrad
- · Replies 15 ·
Where to Find Free Cumulative Physics Review Resources Online?
- lotsoluv4ya
- · Replies 2 ·
Formula for average acceleration
- mugzieee
- · Replies 3 ·
Calculating Piston Velocity Using the Law of Cosines
- courtrigrad
- · Replies 5 ·
Initial velocity of a rocket that takes 14 seconds to fall
- Demise
- · Replies 12 ·
What is the volume of 1 g of butter with a density of 0.92 g/cm^3?
- tobyguy
- · Replies 2 ·
Why does rubbing a comb attract tissue paper?
- chase222
- · Replies 2 ·
Electromagnetism everyone's favorite
- lobstrain
- · Replies 7 ·
Expected family size with geometric distribution for girl birth
- semidevil
- · Replies 2 ·
Calculating Volume Increase for Cube w/ Expanding Surface Area
- Tom McCurdy
- · Replies 7 ·
Applications of non linear thermistor
- richnfg
- · Replies 4 ·
Finding particle speed in electric field and zero points between charges
- cnugrl
- · Replies 2 ·