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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How can dimensional analysis be used to catch mistakes in physics problems?
- rc75
- · Replies 4 ·
Factoring polymonial with complex roots
- ACLerok
- · Replies 3 ·
Term containing x^{20} in (2x - x^4)^{14}
- ms. confused
- · Replies 5 ·
M Underwater Vehicle Water Pressure
- samemikejones
- · Replies 2 ·
Finding the 26th Derivative of g(x) at 0
- R_Y_A_N
- · Replies 15 ·
Mass sliding down one wedge and up another
- UglieDuckie
- · Replies 7 ·
Calculating Max Speed of a Particle on String
- vroman
- · Replies 2 ·
Wallpaper Groups, Free Groups, and Trees
- AKG
- · Replies 13 ·
Why should brakes be applied slowly on slick roads?
- ka123
- · Replies 4 ·
Archimedes principle, bernoulli's equation
- Lalasushi
- · Replies 6 ·
What happens to a compressed spring's elastic potential energy when dissolved in acid?
- stupidkid
- · Replies 2 ·
How Do You Calculate the Compression of Aluminum and Brass Rods Under Force?
- Lalasushi
- · Replies 2 ·
Vector sum of electric fields at point B with two charges
- mr_coffee
- · Replies 6 ·
How Do You Calculate the Angle in a Towing Scenario Using Work and Force?
- nissanfreak
- · Replies 7 ·
Computer Architecture Practice Final Questions
- JasonJo
- · Replies 9 ·
Acceleration Caused by some Forces on a Cart,
- SpeeDFX
- · Replies 7 ·
Can I Factor Equations for Diff. Eq. Solving?
- Beez
- · Replies 3 ·
How Does Running Two Heat Engines Affect the Second Law of Thermodynamics?
- Erik Horwath
- · Replies 2 ·
Adiabatic expansion of argon gas
- Erik Horwath
- · Replies 4 ·
F(t) = square root of 3t+2 / 4t-3
- kim
- · Replies 7 ·
Calculus problemwork needed to produce a pile of sand
- kagaku
- · Replies 7 ·
So, it looks like your method may be wrong.
- Gtotheiles
- · Replies 3 ·
Autonomous differential equations
- DivGradCurl
- · Replies 2 ·
How Is Spring Compression Calculated When a Mass Is Dropped on It?
- John O' Meara
- · Replies 2 ·
What is the Constant Volume Specific Heat for Diatomic Gases?
- melanie
- · Replies 4 ·
Period of oscillation for bounded motion in potential U(x)=-a/x+b/x²
- danai_pa
- · Replies 6 ·
If you find the scalar potential of a conservative vector field
- schattenjaeger
- · Replies 4 ·
Jane swinging across river on vine with horizontal wind force
- njvc3
- · Replies 6 ·
Calculating Puck Speed After Collision
- Swatch
- · Replies 3 ·
How Can I Solve These Math Problems for My Exam Tomorrow?
- GrP
- · Replies 2 ·
How Does Beam Sag Affect Belt Tension in Metric Units?
- Bando
- · Replies 2 ·
Calculating Work Due to Gravity on a Mars Spacecraft
- ninjagowoowoo
- · Replies 3 ·
What went wrong in calculating the mass of planet Mongo?
- ninjagowoowoo
- · Replies 9 ·
Stacking height of plastic bottles crates
- chi
- · Replies 2 ·
How Does Horizontal Force Affect an Object's Vertical Velocity?
- Eiano
- · Replies 3 ·
How to Solve Cx^3-2Ex+2k=0 Equation?
- danai_pa
- · Replies 3 ·
Determining Linear Independence: Use Coordinate Vectors
- Benny
- · Replies 3 ·
What is the speed of light in AU's per hour?
- Struggling
- · Replies 2 ·
How Is Pressure Exerted by Photoelectrons Calculated on a Charged Electrode?
- Oerg
- · Replies 20 ·
Line tangent to an elipse given one point
- thursdaytbs
- · Replies 9 ·
Why Can Human Eyes Only See Visible Light?
- Spastik_Relativity
- · Replies 5 ·
Can x be expressed in terms of a?
- wisredz
- · Replies 5 ·
Electric potential, Resistance , Capacitor
- a_aziy
- · Replies 2 ·
Understanding Fluid Pressure: How Deep Can a Snorkeler Safely Dive?
- physics noob
- · Replies 4 ·
Max speed on roller coaster at top of circular loop
- physics noob
- · Replies 2 ·
How to calculate this determinate
- jdstokes
- · Replies 2 ·
Quantum Mechanics, one-dimensional box problem
- danai_pa
- · Replies 3 ·
Finding errors in two differential equations solutions
- Beez
- · Replies 2 ·
How Does Heron's Ancient Steam Engine Calculate Angular Acceleration?
- Phoenix314
- · Replies 3 ·
Check my answers: rainfall power, gravitational force, and lever jack efficiency
- GJBenn85
- · Replies 13 ·
Vector dynamics problems
- glarredondo
- · Replies 2 ·
What generates what in Maxwell's equations?
- tiagobt
- · Replies 2 ·
How can you use a substitution to solve a quartic equation?
- stupidkid
- · Replies 8 ·
Q Find the curve whose polar subtangent is constant
- himanshu121
- · Replies 1 ·
How Many Typing Orders Are Possible If Letter 8 Is Typed First?
- Gtotheiles
- · Replies 2 ·
Why was defining the inch with barley grains both practical and flawed?
- frozen7
- · Replies 4 ·
Finding satellite altitude from gravitational force and potential energy
- ninjagowoowoo
- · Replies 4 ·
Understanding a Challenging Combinatorial Identity
- Pietjuh
- · Replies 2 ·
Electric Field/Magnetic Field Questions
- lightuplightup
- · Replies 2 ·
What Happens to Atom Speeds and Directions in an Elastic Collision?
- John O' Meara
- · Replies 2 ·
Calculating Pressure in Two Connected Vessels
- ice888
- · Replies 4 ·
Derivation of formula - electrons in an electric field
- synthesized
- · Replies 4 ·
Calculate Your Speed after Elastic Collision on Ice in Buffalo
- badman
- · Replies 4 ·
Is a Homogeneous System of Linear Equations Inconsistent When n Exceeds r?
- jdstokes
- · Replies 2 ·
How Does Angular Velocity Change When a Girl Moves on a Rotating Turntable?
- physics noob
- · Replies 6 ·
Is Every Eigenstate of L^2 an Eigenstate of Lz?
- Henk
- · Replies 4 ·
Finding power needed for helicopter to reach 5500 m in 900s
- seiferseph
- · Replies 7 ·
Finding xy from 3x+4y=7 and 2y=6x+6
- staples82
- · Replies 8 ·
What is the Blood Pressure Difference in a Narrowed Artery Segment?
- texasgrl05
- · Replies 4 ·
What Steps Can Solve the Frictional Force in a Banked Curve Problem?
- HeatherH
- · Replies 3 ·
How Do You Derive the Q Value Equation for a Forced Harmonic Oscillator?
- e(ho0n3
- · Replies 10 ·
Solving the Helicopter Problem - What is the Answer?
- Viper2838
- · Replies 4 ·
Why Do Passengers Lurch Forward When a Car Brakes Suddenly?
- stupidkid
- · Replies 23 ·
Elastic deformation of stacked copper and brass cylinders under compression
- texasgrl05
- · Replies 6 ·
How to Convert Volume in Feet to Acre-Feet
- Enos
- · Replies 4 ·
Simple rotation/elasticity problem
- ninjagowoowoo
- · Replies 7 ·
Is Your C++ Character Range Check Correct?
- gringo
- · Replies 2 ·
What Formulas Should I Use to Calculate the Speed of an Object Before Impact?
- laker_gurl3
- · Replies 4 ·
Where Does a Bullet Strike a Target 200m Away?
- frozen7
- · Replies 9 ·
Why do we use 60 seconds in a minute and minutes in an hour?
- flesym_deredrum
- · Replies 4 ·
Dirac delta function properties with quadratic and product rules
- danai_pa
- · Replies 2 ·
Solving cos 3x = sin 2x using complementary angles
- misogynisticfeminist
- · Replies 5 ·
What Type of Reaction Occurs Between Propene and Br2 or HBr?
- J_o_S
- · Replies 12 ·
Solve Bug Spiral Problem with Parametric Equations
- anisotropic
- · Replies 16 ·
Work to pull a leaking bucket from an 80 ft well
- JohnRV5.1
- · Replies 2 ·
Calculating Angular Speed of Amusement Park Ride
- theNeonGod
- · Replies 3 ·
How Does a Rigid Wall Affect a Particle's Wavefunction in Quantum Mechanics?
- danai_pa
- · Replies 2 ·
Why Don't the Vectors (1,2,-5), (3,8,-19), and (1,-2,3) Span R^3?
- Benny
- · Replies 4 ·
Proofs for recursive sets using induction
- evanx
- · Replies 2 ·
Finding the gravitational force
- nissanfreak
- · Replies 2 ·
Tension in hanging scaffold and ladder friction angle problems
- Scirel
- · Replies 7 ·
Volume above cone φ = π/3 inside torus ρ = 4sin φ
- eok20
- · Replies 3 ·
What Formulas Do I Need to Ace My Physics Test Tomorrow?
- nissanfreak
- · Replies 2 ·
Is Ae^i(kx+ωt) an admissible wavefunction for a free particle?
- danai_pa
- · Replies 2 ·
How Do You Determine the Slope of a Tangent Line for the Curve 2cy = x^2 - c^2?
- EvLer
- · Replies 9 ·
Sphere colliding with plank: finding distance between impacts
- naznad
- · Replies 2 ·
Linear first order differential equations - just a question
- DivGradCurl
- · Replies 2 ·
Calculating electric field at a point due to 2 charges
- mr_coffee
- · Replies 4 ·
What is the bulk modulus and how is it used in fluid statics problems?
- TeTeC
- · Replies 3 ·
Can a radar detect a plastic object?
- panthera
- · Replies 4 ·