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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Solving Liquid Problems: Calculating Forces and Height Differences
- Jacob87411
- · Replies 2 ·
Autonomous Differential Equations: Equilibrium Solution and Deviation Equation
- Townsend
- · Replies 3 ·
Total charge of e in a given volume of water
- Bailey
- · Replies 15 ·
Finding published chemistry or biochemistry articles for analysis
- Dooh
- · Replies 5 ·
Calculating Electron Speed After Release from Rest
- evilempire
- · Replies 4 ·
Estimate the area under the graph of f(x) =x^2 + 4x from x=1 to x=9
- ProBasket
- · Replies 2 ·
Relative velocity of two cars and aircraft displacement vectors
- richnfg
- · Replies 3 ·
Calculating Coriolis Force for Projectile on Rotating Earth
- quasar987
- · Replies 16 ·
How Does Continuity Ensure Differentiability in Integral Functions?
- AKG
- · Replies 1 ·
Average Oxygen Molecule Travel Distance in a Tank
- Kawrae
- · Replies 2 ·
Electric force on q1 with two and three charges in equilateral triangle
- radtad
- · Replies 8 ·
Unlock the Mystery of Kinetic Energy with Expert Guidance - Major Help Needed
- Femme06Fatale
- · Replies 10 ·
How to Hit a Target 795 m Away and Clear a 60 m Hill?
- nineeyes
- · Replies 5 ·
Calculating Work Function from Retarding Potential of 2.92V for 250nm Radiation
- jaidon
- · Replies 2 ·
What is the Magnitude of Acceleration?
- blk5oh
- · Replies 2 ·
Electric field problem - Plastic Slab
- meteorologist1
- · Replies 2 ·
What are the values of a and b after the code executes?
- courtrigrad
- · Replies 14 ·
Simple problem that i dont know how to do
- neiliam
- · Replies 2 ·
Agravic Point Calculation Between Earth and Mars
- kdinser
- · Replies 2 ·
Speed of Object with 3x Rest Mass
- DaVinci
- · Replies 25 ·
Find the zeros of the function:
- JBauer
- · Replies 10 ·
Max Height of Rocket in Free Fall: Solving for a, t1, and g
- reesejm
- · Replies 3 ·
Logical Operator Replacement: b1 XOR b2 and deMorgan's Laws
- courtrigrad
- · Replies 4 ·
Something in special relativity that is supposed to be easy
- Ahmes
- · Replies 6 ·
Period ratio for damping at half critical damping value
- stunner5000pt
- · Replies 5 ·
Calculating Max/Min Energies of Particle P1 in Decay of A
- crit
- · Replies 3 ·
Difference between Classical Momentum and Relativistic Momentum
- DaVinci
- · Replies 2 ·
Radioactivity - background rate
- thegame
- · Replies 4 ·
Rotational force compared to spring constant?
- pirland
- · Replies 8 ·
Isentropic Compression of Bose Gas with Subcritical Temperature T < T_c
- tiger_striped_cat
- · Replies 2 ·
Calculate Falling Pot Velocity: Lw, t, g
- reesejm
- · Replies 2 ·
What Is the Vertical Displacement Between Two Jumping Basketball Players?
- reesejm
- · Replies 3 ·
Does Pressure Force Change with Container Volume in Water Filled Containers?
- Azeri
- · Replies 4 ·
Three points in the plane calc problem
- ProBasket
- · Replies 6 ·
Plane parallel to given plane containing a line, and plane containing two lines
- tandoorichicken
- · Replies 3 ·
Solving Electron Motion Problem: Electric Field Direction & Strength
- DLxX
- · Replies 5 ·
What Is the Distance Between the Helicopter and the Package After 2 Seconds?
- Tabe
- · Replies 16 ·
Problems from today calculus test
- twoflower
- · Replies 5 ·
Motion, Work, Energy, and Power
- sp00ky
- · Replies 2 ·
Sine and cosine law in oblique triangles
- aisha
- · Replies 4 ·
Finding moment of inertia and angular momentum of binary stars
- lucifer
- · Replies 2 ·
Charges of Ions in Periodic Table
- courtrigrad
- · Replies 8 ·
Calculating Displacement in Elastic Collision of Pool and Croquet Balls
- Tabe
- · Replies 3 ·
Net force on roof from sudden atmospheric pressure increase
- NotaPhysicsMan
- · Replies 15 ·
How Do You Solve the Equation log(x) = 2cos(x) in the Interval 0 < x < 2π?
- ms. confused
- · Replies 3 ·
Wave Diffraction: Albert's Questions
- albert611
- · Replies 2 ·
What is the velocity of the can when it flies out of the cart?
- Tabe
- · Replies 7 ·
Why can't a neutral rho meson decay to two neutral pions?
- K8181
- · Replies 6 ·
Beads sliding on a rotating hoop
- newcool
- · Replies 3 ·
Calculate Average Velocity for 1.5hr Bike Ride
- jai6638
- · Replies 8 ·
Electric Field Question: Calculating Electron Speed and Ignoring Gravity
- DLxX
- · Replies 5 ·
Finding frictional force on a 5 kg block accelerating at 6 m/s²
- jai6638
- · Replies 12 ·
Electric potential/potential energy
- triplezero24
- · Replies 6 ·
Why can't I find force from just mass and constant velocity?
- ncrowley1818
- · Replies 3 ·
Why does current direction change the sign of delivered power?
- DaVinci
- · Replies 8 ·
What is the Correct Equation for Calculating Change in Entropy of Water?
- Kawrae
- · Replies 2 ·
Differentiation Question Concerning natural log
- courtrigrad
- · Replies 3 ·
Find the point that divides AB in ratio 2:5
- roger
- · Replies 12 ·
The irrationality of the square root of 2
- lokisapocalypse
- · Replies 10 ·
Calculating Bridge Pillar Forces: Solving a Seesaw Problem
- jjjsarnis
- · Replies 4 ·
How can a Helmholtz arrangement be used to null out magnetic fluctuations?
- Brainy_Mike
- · Replies 2 ·
Is Work Positive or Negative in Thermodynamics?
- Haftred
- · Replies 4 ·
Solve System of Equations via Gaussian Elimination
- EvLer
- · Replies 3 ·
Change of Phase and Latent Heat
- Soaring Crane
- · Replies 3 ·
How Far Must a Helicopter Fly to Decrease Sound Intensity by a Factor of 4?
- bbfcfm2000
- · Replies 5 ·
Non-Inertial Frame: Explain the Tilting Balloon
- matpo39
- · Replies 2 ·
How Many Functions, Book Arrangements, and Distinct Digits Can Be Calculated?
- Townsend
- · Replies 11 ·
Question: localised mode, localisation effect of linear atomic chain
- jaykay
- · Replies 2 ·
Counting Feynman Diagrams with n Vertices
- vincentchan
- · Replies 2 ·
What percentage of bags are rejected due to weight?
- Matt.D
- · Replies 4 ·
Electric potential of a negatively charged sphere
- bulbanos
- · Replies 5 ·
If the speed of sound is 340m/s, how high is the cliff?
- sundrops
- · Replies 26 ·
Finding acceleration from two velocities and positions
- sundrops
- · Replies 16 ·
Bullet embeds in block on frictionless table
- urbettybo0p
- · Replies 5 ·
An electrical and a quantum question
- joej
- · Replies 6 ·
Kinematics - Bullet moving on a table hitting a block
- urbettybo0p
- · Replies 10 ·
Factoring 6x(x^2+1)^2(x^3-1) from an algebraic expression
- courtrigrad
- · Replies 10 ·
When to use negative signs with electric field vectors?
- LakeMountD
- · Replies 2 ·
Functions, intersections, and unions
- lokisapocalypse
- · Replies 3 ·
What Is the Initial Separation Between Two Charged Particles?
- NeoKrypt
- · Replies 3 ·
Protecting an egg drop with 5 sheets of paper and masking tape
- ynotdance87
- · Replies 6 ·
Identifying Points of Discontinuity in a Continuous Function
- courtrigrad
- · Replies 8 ·
What is the rebound speed of a bumper car after colliding with a wall?
- futb0l
- · Replies 7 ·
Unit Vector z in Spherical Terms: (1, 0, 0)
- formulajoe
- · Replies 4 ·
Calculating Constant Force for a 150-kg Merry Go Round with a 1.50m Radius
- sbpatel
- · Replies 3 ·
Magnitude of Force to move blocks
- ncrowley1818
- · Replies 7 ·
Calculating Charge Distribution in a Parallel Plate Capacitor
- figs
- · Replies 2 ·
Is Mid(n) an Underestimate for Trapezoid Integration on an Increasing Function?
- chjopl
- · Replies 2 ·
Having problems with this limit
- twoflower
- · Replies 22 ·
Solving Method of Images Problem for Infinite Conducting Cylinder
- natski
- · Replies 2 ·
Lights dim when refrigerator is on
- gillgill
- · Replies 2 ·
General problems with coriolis force
- Dracovich
- · Replies 3 ·
What is the secant of 5pi/4 and how was it determined to be -sqrt(2)?
- aisha
- · Replies 2 ·
Verification of Implicit Differentiation
- courtrigrad
- · Replies 5 ·
Accuracy of a gravitational force approximation
- DivGradCurl
- · Replies 5 ·
Convergence of sum with n² over (2+1/n)ⁿ
- twoflower
- · Replies 7 ·
Spherical conductor with cavities
- meteorologist1
- · Replies 3 ·
Entering force direction in CAPA assignment for two positive charges
- GingerBread27
- · Replies 2 ·
How to solve quadratic and absolute value inequalities
- Sombra
- · Replies 9 ·
Solving 0.012M/(d-x)^2=M/x^2 for x
- thomasrules
- · Replies 12 ·