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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What Is the Unit Vector Perpendicular to Both 4i - 3j + k and the z-Axis?
- Matt2k
- · Replies 2 ·
Polynomial long division with -6x^4+2x^2-8x+1 divided by 2x^2-3
- aisha
- · Replies 7 ·
Finding the Roots of Z^6 + 64 = 0
- MercuryRising
- · Replies 4 ·
Tried getting a common denominator for both fractions
- aisha
- · Replies 10 ·
Volume of cork needed to keep 20% of a 40kg child above water
- shadow2006
- · Replies 2 ·
Acceleration of top and bottom weights when cutting the top spring
- aviv87
- · Replies 7 ·
Mass connected to two springs - simple harmonic motion
- Skomatth
- · Replies 2 ·
How Does Friction Affect the Motion of Blocks on Dual Inclined Planes?
- bassmann
- · Replies 2 ·
Two pucks colliding on air hockey table at angles 65° and 37°
- Katerina Villanova
- · Replies 2 ·
Answer Momentum Question: Find Puck A & B Final Speeds
- Katerina Villanova
- · Replies 2 ·
Genetics Desperately waiting for replies
- saltrock
- · Replies 2 ·
Suggestion for cool, interesting experiments
- niehls
- · Replies 2 ·
How Do I Find the Antiderivative of x((2x^2) - 2)^3?
- buffgilville
- · Replies 3 ·
Coefficient of kinetic friction between the chair and the waxed floor?
- togepyamy
- · Replies 5 ·
How long was the mallet in contact with the ball?
- tony873004
- · Replies 2 ·
Two Oscillator Frequencies on the moon
- mikezietz
- · Replies 4 ·
How can I find y' for two logarithmic equations?
- Dantes
- · Replies 2 ·
How do you find the square root of 5+12i?
- aisha
- · Replies 10 ·
Proving a local minimum exists between two local maxima
- trap
- · Replies 5 ·
How do you prove properties of the error function?
- vtnsx
- · Replies 2 ·
Spring-mass block splitting at maximum speed and extreme position
- NotaPhysicsMan
- · Replies 9 ·
Spring and Projectile Motion Problem
- mkcompu
- · Replies 2 ·
Derivative of x tan(3x) + csc²(1-x³)
- Vadim
- · Replies 2 ·
Why is current the same at all points in a series circuit?
- sp00ky
- · Replies 2 ·
Find Spring Constant for Mass-Spring System
- ccbb
- · Replies 2 ·
Finding spring constant from mass and compression at equilibrium
- Flinthill84
- · Replies 8 ·
Limit of the nth root of n factorial as n approaches infinity
- twoflower
- · Replies 13 ·
What Went Wrong in Calculating Equilibrium Temperature?
- mikep
- · Replies 2 ·
How Fast Must a Bullet Travel to Tip a Cube on Its Edge?
- gaborfk
- · Replies 23 ·
Comets and orbital periods and such
- vatechacc
- · Replies 2 ·
Express (1/Z₁)-(1/Z₂) as a+bi where Z₁=3-i and Z₂=7+2i
- aisha
- · Replies 12 ·
How Do You Isolate and Solve for z in the Equation 4z - z(3+i) = -1+3i?
- aisha
- · Replies 4 ·
How long does it take for rotating platform to stop
- Alem2000
- · Replies 2 ·
How Does Recoil Affect Bullet Velocity in Physics?
- zoetrope
- · Replies 2 ·
Gravitational potential energy inside uniform-density Earth
- vatechacc
- · Replies 2 ·
What is the Probability Distribution of X in a Two Dice Roll?
- Mo
- · Replies 9 ·
Need Help on Masterphysics.com? Solutions Here!
- madmanx
- · Replies 2 ·
Where Does a Car Exert the Greatest Force on a Mountain Road?
- DLxX
- · Replies 4 ·
How Does Damping Affect the Amplitude of a Compound Pendulum?
- Brewer
- · Replies 2 ·
Finding the Final Temperature of a Water Mixture: A Chemistry Problem
- wolfson_1123
- · Replies 2 ·
Centripetal Force in Uniform Centripetal Motion: Direction?
- UrbanXrisis
- · Replies 5 ·
Solving the Pendulum Problem: Find d for a Complete Circle
- ek
- · Replies 4 ·
Arithmetic Sequence Series Problem
- nobb
- · Replies 2 ·
2kg ball in simple harmonic motion
- clh7871
- · Replies 2 ·
Circular Motion Fun: Calculate Mass Speed at Highest Point
- Khartoum
- · Replies 2 ·
What Is the Equation of a Level Curve Through a Given Point?
- DeadxBunny
- · Replies 2 ·
When is s(t)=t³-3t speeding up?
- UrbanXrisis
- · Replies 2 ·
Is the Directed Graph for this Circuit Correct?
- SpeedBird
- · Replies 2 ·
How did mathematicans define sin?
- primarygun
- · Replies 18 ·
Can You Stump the Science Teacher with This Simple Coffee and Milk Experiment?
- Dirkspink
- · Replies 26 ·
Calculating Vertical Velocity: Derivatives and Rates of a Waterskier on a Ramp
- SyntheticVisions
- · Replies 3 ·
How Does Cross Sectional Area Affect String Wavelength Calculation?
- buffgilville
- · Replies 2 ·
Finding the train whistle frequency from observed Doppler shift
- buffgilville
- · Replies 2 ·
Guitar string frequency and tension calculation
- buffgilville
- · Replies 2 ·
Prove Sum Divisible by 5 with 5 Arbitrary Natural Numbers
- Zurtex
- · Replies 2 ·
Finding polynomials with specific limits and inverse functions
- matrix_204
- · Replies 2 ·
Gauss' Law in Dielectrics Part II
- joshanders_84
- · Replies 2 ·
How Does the Center of Mass Move in a Layered Bubble System Within Cooling Lava?
- Silimay
- · Replies 1 ·
Solving Power Problems: Finding d & l
- PixelHarmony
- · Replies 2 ·
Find the speed of the driven wheels in rpm
- tony_engin
- · Replies 3 ·
Gravitation acceleration question
- jenavira
- · Replies 2 ·
Finding mass and center of mass of a non-uniform 30 cm rod
- Ineedphysicshelp
- · Replies 2 ·
How Do Fourier Series Model the Motion of a Struck String?
- daydreaming1989
- · Replies 2 ·
Hey whats mechanical energy got to do with it? +__+ yeesh
- puregoodboi
- · Replies 2 ·
Why is the derivative of e^u equal to e^u times du/dx?
- UrbanXrisis
- · Replies 4 ·
Centripetal acceleration lab questions on spinout ride
- ballahboy
- · Replies 3 ·
What is meant by "each occupied by one particle at the same time"
- JamesJames
- · Replies 2 ·
Angular momentum of a merry-go-round
- quick
- · Replies 3 ·
Solving Lawn Mower Problem: Retarding Force, Normal Force, Acceleration
- trixid
- · Replies 2 ·
Pressure difference in a bucket sitting in an elevator
- mikezietz
- · Replies 2 ·
Internal Resistance in a Battery
- joshanders_84
- · Replies 2 ·
Proof of 5.875m Initial Height of Batted Ball
- aisha
- · Replies 8 ·
Projectile motion of a particle
- Nylex
- · Replies 5 ·
Measuring height of building with barometer
- Bcisewski
- · Replies 14 ·
Coal plant efficiency and wasted heat from power and fuel data
- roland8727
- · Replies 3 ·
Finding Exact and WKB Wavefunction for V(x) in E=10 Situation
- JamesJames
- · Replies 5 ·
How Fast Can Air Travel Through a 2.5 Inch Pipe at 14.7 PSI?
- synapicphysic
- · Replies 2 ·
Does the sequence n/2^(n+2) converge to 0?
- kdinser
- · Replies 3 ·
Speed of Blood in Arteriole and Capillaries
- dphoos
- · Replies 2 ·
Food and nutrition research project ideas for high school
- Garret
- · Replies 9 ·
Does the Limit of a Polynomial Diverge as x Approaches Infinity?
- quasar987
- · Replies 2 ·
How Do You Solve a Max Min Quadratic Problem in Economics?
- aisha
- · Replies 3 ·
Solving Adiabatic Process Problem: Find Final Volume & Pressure
- Spectre5
- · Replies 3 ·
Relativistic velocity addition with sandwich at 0.20c
- Mivz18
- · Replies 8 ·
Circular motion of steel block
- nat
- · Replies 2 ·
Understanding R, c, and x in Power Series
- kdinser
- · Replies 3 ·
How Does Cue Ball Velocity Affect Target Ball Speed in Billiards?
- Lorax
- · Replies 5 ·
Calculus Problem with simplifying
- K - Prime
- · Replies 3 ·
How can I use physics to explain the jump on my marble roller coaster?
- ameriland_06
- · Replies 6 ·
Terminal velocity of a ping pong ball
- disruptors
- · Replies 2 ·
Calculating Organ Pipe Length: Open vs. One End & Beat Frequency Comparison
- dphoos
- · Replies 2 ·
Calculating Distance in Circular Motion: Earth to Moon Spacecraft Force Analysis
- futb0l
- · Replies 2 ·
Woman walking toward center of rotating platform
- americanangel
- · Replies 4 ·
How to find the 10th derivative of f(x)=\sqrt{1+x^2} using binomial series?
- DivGradCurl
- · Replies 4 ·
Finding energy eigenvalues and expectation values in a 3D quantum system
- AKG
- · Replies 16 ·
Force of weight of the suspended ball
- Biya
- · Replies 4 ·
A few questions on pH < before a test
- peter444
- · Replies 2 ·
Find the final temperature of the ball
- dphoos
- · Replies 4 ·
Calculating Friction Force for Car in Circular Motion
- gillgill
- · Replies 3 ·
Maximum Projectile Speed for Safe Hanging: 20kg Wood Ball and 2m Long Wire
- darkdryad
- · Replies 3 ·