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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Figuring out the curvature of a line?
- mr_coffee
- · Replies 6 ·
How Do You Calculate the Probability of Getting the Flu?
- rad0786
- · Replies 2 ·
How Can You Calculate Cliff Height Using Sound?
- babbagee
- · Replies 1 ·
How Do You Calculate Rocket Trajectory Without Air Resistance?
- antiflag403
- · Replies 8 ·
Ball bouncing off wall momentum change
- Dooga Blackrazor
- · Replies 1 ·
Solve Physics Problem: Blocks and Distance
- plane
- · Replies 3 ·
How can I integrate sin(x)/(1-x) using the substitution method?
- NINHARDCOREFAN
- · Replies 1 ·
Is My Approach to Finding Max/Min on a Circular Disk Correct?
- Giuseppe
- · Replies 1 ·
How to start moment couple problems
- caddyguy109
- · Replies 31 ·
Find (a) the tension in the cable
- PhysicsinCalifornia
- · Replies 2 ·
Coffee club seating constraint problem with 8 members
- fizz
- · Replies 2 ·
How Do You Calculate the Coefficient of Kinetic Friction for a Sled?
- PhunWithPhysics
- · Replies 10 ·
Finding plane equation, perpendicular line, and distance from point to plane
- deryk
- · Replies 2 ·
How Far Can a Particle Travel at 0.99c Before Decaying?
- asdf1
- · Replies 3 ·
Maximum and minimum curvature on the polar curve r = 3 + sin θ
- trap
- · Replies 9 ·
Deriving the y' acceleration component in special relativity
- mntb
- · Replies 2 ·
Who Will Reach the 200 Meter Line First: The Runner or the Bicyclist?
- justinL
- · Replies 1 ·
Challenging math questions involving polynomial functions
- an_mui
- · Replies 9 ·
Solve Entropy Change of Nitrogen in a Polytropic Process
- mohdfasieh
- · Replies 2 ·
Why did copper sheeting corrode the iron nails on HMS Alarm?
- futb0l
- · Replies 1 ·
Simple integration but i forgot how to do it
- mr_coffee
- · Replies 7 ·
Speed of Motorboat Going Downstream at Point 'a': 6 km/hr
- JAIN JAIMIK
- · Replies 1 ·
How do you determine the average velocity of an object?
- Lloydsgurl
- · Replies 7 ·
Strategies for Evaluating Trigonometric Integrals
- Pseudo Statistic
- · Replies 4 ·
Does the Potential Energy Increase or Decrease in Quantum Theory Problem 5?
- R.Harmon
- · Replies 3 ·
Fourier series for sinh t on (-1,1) and 1+|t| on (-π,π)
- danai_pa
- · Replies 1 ·
Proton orbiting a charged sphere at 3×10⁵ m/s
- x-men
- · Replies 1 ·
Are There Infinite Plane Formulas for a Given Vector?
- skiboka33
- · Replies 7 ·
Motion of a Pendulum: Find Max Velocity
- factor_of_2
- · Replies 1 ·
How Does Magnetic Field Continuity Affect Scalar Potential in Linear Materials?
- quasar987
- · Replies 1 ·
How Wide is the Canyon Based on Echo Time?
- king_2005
- · Replies 3 ·
Maximum angle for pushing a box across floor with friction
- prettynerd
- · Replies 1 ·
Implicit differentiation of xcos(y) + ycos(x) = 1
- CACain
- · Replies 3 ·
What is the formula for finding the area of a sector in a circle?
- LocationX
- · Replies 4 ·
How to derive coefficient of friction?
- Meteo
- · Replies 3 ·
Calculate the total momentum after the collision
- daewoo
- · Replies 3 ·
Why Are These Dynamics Problems So Challenging?
- akademiks
- · Replies 1 ·
Determine Projectile Motion velocity
- dekoi
- · Replies 14 ·
Bond Angle, Can Someone Tell Me if I'm Correct?
- amcavoy
- · Replies 7 ·
Vibrations and the wave equation
- Tony11235
- · Replies 1 ·
Force of gravity on a spaceship - can't get right answer.
- confusedbyphysics
- · Replies 2 ·
Solving the Speedster Puzzle: Calculating Time to Catch Up
- Sar06
- · Replies 4 ·
Six astronomy problems: gravity, light, orbital mechanics, Mars communication
- astronomystudent
- · Replies 1 ·
Calculate Photons/Angstrom at Cassegrain Telescope - V=9, zenith=60°
- goleafsgo113
- · Replies 1 ·
Finding the Initial Velocity of an Egg Thrown Near a Building
- babbagee
- · Replies 6 ·
Solving 3^{20} $\pmod{100}$ Without FLT
- amcavoy
- · Replies 2 ·
Particle sliding on rotating inclined plane with Coriolis force
- lovelyrita24
- · Replies 1 ·
How Far Does a Block Travel Up an Incline After Shooting from a Spring Gun?
- MAPgirl23
- · Replies 3 ·
How Does Gravitational Force Affect a Snowball Fired from a Cliff?
- Ginny Mac
- · Replies 1 ·
Max speed and displacement of particle on rotating slope with Coriolis force
- lovelyrita24
- · Replies 1 ·
How Does Bessel's Method Determine Lens Focal Length?
- Perses
- · Replies 1 ·
Projectile Trajectories: Finding Optimal Firing Angles and Flight Times
- tralblaz
- · Replies 11 ·
Calculating Average Power for Acceleration: 630 kg Car, 0-65 mi/h in 6.0 sec
- wr1015
- · Replies 2 ·
Find the average and uncertainty of the length of the table?
- Haftred
- · Replies 2 ·
Sprinter acceleration and jet aircraft speed problems
- Sins
- · Replies 1 ·
Challenging question think you're smart enough?
- plane
- · Replies 1 ·
How to find resultant for 3 given vectors
- idon'tgetit
- · Replies 2 ·
How to Prove an Infinite Intersection of Closed Sets is Closed in R^n?
- trap
- · Replies 2 ·
Can You Determine the Basis for the Range of a Linear Transformation?
- iNCREDiBLE
- · Replies 3 ·
Linear Transformations: Proving Linearity and Finding Inverse Functions
- Rizzamabob
- · Replies 3 ·
What is the Most Probable Speed of a Gas at a Given Temperature?
- Romperstomper
- · Replies 2 ·
Calculate Force on Electron in Magnetic Field: 61500V, 0.477T
- U154756
- · Replies 3 ·
Linear vs Proportional Relationship
- AdnamaLeigh
- · Replies 1 ·
What Happens to a Particle in an Infinite Well After Measuring Its Position?
- quasar987
- · Replies 4 ·
How Do You Derive the Formula for the Sum of Consecutive Squares?
- sitedesigner
- · Replies 8 ·
Watch hanging at 15° from vertical on accelerating moped
- plane
- · Replies 20 ·
Solving a System of Forces Problem: Analytical Approach
- Augusto1987
- · Replies 4 ·
Minimum stopping distance for 6000 kg steel load on truck
- emily69_420
- · Replies 2 ·
Find the Shortest Distance Between Two Lines: L1 and L2
- brad sue
- · Replies 2 ·
Calculating initial velocity for object
- babbagee
- · Replies 2 ·
Solving an Inhomogeneous System: A Coset of W in R^m
- hgj
- · Replies 2 ·
Vector Space Axioms which fail certain matrices
- gaborfk
- · Replies 6 ·
Can 1 cubic foot of helium keep different weights afloat in fresh vs salt water?
- ksaun
- · Replies 21 ·
I found a proof for the vector chain rule, but it makese no sense to me
- mr_coffee
- · Replies 2 ·
Confusing arken/weber problem (del in triple vector product)
- Brad Barker
- · Replies 8 ·
Probability and Multinomial Coefficients
- hotmail590
- · Replies 7 ·
Find the probability it will be red
- mutnauq
- · Replies 3 ·
Sketching the plane curve r(t) = <cos(t), sin(t)>
- mr_coffee
- · Replies 1 ·
What is the max volume given certain restrictions?
- APool555
- · Replies 1 ·
Proving the cross product rule for derivatives
- mr_coffee
- · Replies 10 ·
Shotputter projectile motion with release above ground
- scorpa
- · Replies 15 ·
Velocity of a person falling 100 meters with air resistance
- honeydukes
- · Replies 2 ·
Need some math help very difficult problems
- marmot83457
- · Replies 9 ·
Is the center of gravity always inside the object?
- r3dxP
- · Replies 1 ·
Law of conservation of enegry and one task
- p_kolya
- · Replies 2 ·
What constraints must a 3D rotation matrix satisfy to preserve vector length?
- mind game
- · Replies 1 ·
How Do You Calculate the Second Derivative in Implicit Differentiation?
- MercuryRising
- · Replies 8 ·
Is my u-substitution for ∫(x+2)√(x-3)dx correct?
- cunhasb
- · Replies 6 ·
Finding real-valued solutions from complex solutions of y''+y=0
- amcavoy
- · Replies 8 ·
Magnitude and angles of resultant couple moment from two valve handles
- caddyguy109
- · Replies 1 ·
Finding distribution by using mgf(moment generating function)
- grimster
- · Replies 10 ·
Why Does a Marble Fall Faster in a Pool Than in a Narrow Tube?
- ultraviolent
- · Replies 2 ·
Solving Snooker Ball Physics Problem: u^2(m-M)=v^2(M+m)
- alias25
- · Replies 5 ·
Reaction forces at supports A and B with distributed load
- plucker_08
- · Replies 2 ·
Coulomb's Low And Dirac Delta Functio
- life engineer
- · Replies 4 ·
Ampere's Law and current density
- arutha
- · Replies 2 ·
Finding Banked Angle of a Curve on Level Road
- Dagg
- · Replies 7 ·
Solving the System: x^2+(y-5)^2=9 and y=x^2+K
- answerseeker
- · Replies 1 ·
Finding Coefficient of Static Friction for Amusement Ride
- jshaner858
- · Replies 2 ·