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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Calculating Heat Loss/Gain in Copper & Liquid
- Dark Angel
- · Replies 2 ·
Projectile Motion Problem: Finding the Height of a Fence (Intro Physics)
- willworkforfood
- · Replies 2 ·
Calculating Drop Locations: The Physics of Water Dripping from a Shower Nozzle
- courtrigrad
- · Replies 3 ·
Diff Geo - Ferret Serret Apparatus
- sparkster
- · Replies 2 ·
Which Hand Points in the Positive Z Direction?
- mr_coffee
- · Replies 8 ·
Can You Calculate the Trajectory of an Object Orbiting Earth at High Speed?
- chui
- · Replies 4 ·
How Far Must Protons Be to Equate Electrostatic and Gravitational Forces?
- Tony11235
- · Replies 2 ·
Understanding Homomorphism: Z24 to Z18 with Phi(1)=16 Explained
- gonzo
- · Replies 5 ·
How Is Work Calculated in Physics Problems Involving Force and Displacement?
- tubworld
- · Replies 5 ·
What is the distance from Q1 for a zero electric field at point P?
- jena
- · Replies 6 ·
How Long for Rocket to Reach One-Tenth Light Speed?
- courtrigrad
- · Replies 2 ·
Electron in a uniform electric field.
- evgeniy
- · Replies 2 ·
Can the Change in Gravitational Field Strength Exceed Its Original Value?
- ngkamsengpeter
- · Replies 2 ·
Deriving Conditions for D field
- hhh79bigo
- · Replies 2 ·
Finding the general solution of this ODE
- Benny
- · Replies 1 ·
How Do You Calculate the Phase Difference Between Two Sinusoidal Waves?
- Wen
- · Replies 3 ·
How Does a Gold Nucleus Affect an Alpha Particle at Close Range?
- echau
- · Replies 7 ·
Describe the set of points Calc III equation of sphere
- mr_coffee
- · Replies 10 ·
Determining the period of a periodic motion
- insertnamehere
- · Replies 3 ·
Solution: Solve Gaussian Elimination | 2x1 + 1x2 = 4
- TonyC
- · Replies 3 ·
Elementary row operations question
- TonyC
- · Replies 8 ·
Intersection points of the graph its solutions?
- yourmom98
- · Replies 3 ·
Calc III, Inequalitites problem
- mr_coffee
- · Replies 3 ·
Velocity and Acceleration in a 100 Meter Dash
- Tabe
- · Replies 8 ·
How Does f(x) Behave as x Approaches 4 from Both Sides?
- kendal12
- · Replies 6 ·
Calculating Forces Between q1 and q2
- shahidkhilji
- · Replies 12 ·
Memorizing the Bohr Radius: Is it Necessary?
- asdf1
- · Replies 2 ·
Solve ODE with Trig: xy'=y+3x^2cos^2(y/x)
- asdf1
- · Replies 9 ·
Mirror image reversal - why only l/r, not up/down
- judgecrater
- · Replies 2 ·
How to rearrange this trig function?
- aisha
- · Replies 5 ·
Understanding Trigonometric Transformations: Analyzing a Horizontal Translation
- aisha
- · Replies 7 ·
How are equations derived from models in physics?
- Werg22
- · Replies 4 ·
Solving Submarine Problem - Alex
- Vanity
- · Replies 5 ·
Why Does a Slide-Wire Potentiometer Require a Higher Voltage Battery?
- nutzweb
- · Replies 2 ·
Static Universe Theroy and Red shifts in galaxy spectra
- samaank
- · Replies 1 ·
Im having trouble with a few preoblems.
- thschica
- · Replies 9 ·
Fluid Pressure and Fluid Force in Calculus II
- Shay10825
- · Replies 12 ·
Why Am I Struggling with Calculating the Electric Field in This Setup?
- evangelic04
- · Replies 4 ·
Finding Coefficients in Trigonometric Functions
- Bob19
- · Replies 6 ·
Need help translating from Physics to English
- willworkforfood
- · Replies 6 ·
Don't know how to calculate the velocity
- brad sue
- · Replies 4 ·
What is the Strength of a 40,000 Gauss Magnet?
- chui
- · Replies 2 ·
Graphical Analysis of Functions: Finding g(x+3) at x=1
- sportsguy3675
- · Replies 6 ·
Calculating Tension in a Pulley System with Spring Scales
- lilkrazyrae
- · Replies 4 ·
How Does y=sin(x) Compare to y+3=2sin(3x+π/2)?
- aisha
- · Replies 9 ·
Which Hand Points in the Positive Z Direction in a 3D Coordinate System?
- mr_coffee
- · Replies 2 ·
Proof: One more irrationality proof
- mattmns
- · Replies 5 ·
Help me with this phy experiment thingo
- lilsheltie
- · Replies 2 ·
How High and How Long Does a Foul Ball Travel When Hit Straight Up at 22 m/s?
- thschica
- · Replies 6 ·
How Does Kinetic Energy Change at Maximum Height in Projectile Motion?
- Brianne
- · Replies 6 ·
How do I calculate the equivalent resistance for this circuit?
- Delta-One
- · Replies 2 ·
Find normal and friction force on a crate full with artichokes
- lilkrazyrae
- · Replies 1 ·
Fluid Dynamics: quickest way to pour water out of a bottle
- blondnc
- · Replies 3 ·
? Earth's Gravitational Field Effect on space shuttles
- samaank
- · Replies 6 ·
Find p in Parabola Problem with {x | -50 < x < 50}, {y | 0 < y < 20}
- yourmom98
- · Replies 1 ·
Why you can't mix x and y components of vectors?
- Shay10825
- · Replies 10 ·
Graphing force and acceleration
- teh_game
- · Replies 21 ·
T Transistors and Amplification?
- cpasillas22
- · Replies 2 ·
Does Mass Affect Orbital Velocity for Satellites in Similar Earth Orbits?
- samaank
- · Replies 11 ·
2 problems on simple harmonic motion
- Wen
- · Replies 17 ·
Is the Force on a Block on an Incline Dependent on Velocity?
- smallbrain
- · Replies 2 ·
Linearization of Non Linear Equation
- BlackJackal
- · Replies 2 ·
Direction and magnitude of the net electrostatic force
- rice_racerus
- · Replies 3 ·
My book's throwing equations out of nowhere
- VietDao29
- · Replies 6 ·
Need Help With College Algebra Factoring
- AshyLarry
- · Replies 2 ·
Suppose that the function T has period 7 and that T(0)=3
- ludi_srbin
- · Replies 7 ·
Calculating the Height for Half Weight at Earth's Surface
- Dooga Blackrazor
- · Replies 3 ·
Physiological Effects of High Acceleration: Investigating with a Rocket Train
- courtrigrad
- · Replies 1 ·
Find Magnitude of Order: What is it?
- brandon1
- · Replies 4 ·
Y=-3sin(2x) shifted new equation?
- aisha
- · Replies 4 ·
Solving 1D Kinematics Problem: Maximum Reaction Time for Avoiding Deer Collision
- willworkforfood
- · Replies 10 ·
Homogeneous system of linear equation:
- TonyC
- · Replies 9 ·
Solve Mechanics Question: Find Acceleration, Final Speed, & Average Speed
- Pseudo Statistic
- · Replies 3 ·
Determine whether there is a train collision
- courtrigrad
- · Replies 8 ·
Unanswered Thread: Help with EGR Problem
- caddyguy109
- · Replies 17 ·
Where Can I Find the Best Resources for Self-Teaching Calculus and Physics?
- Neohaven
- · Replies 12 ·
How Do You Escape the Room Using Two 50-Foot Ropes and a Knife?
- erraticimpulse
- · Replies 17 ·
How Do You Solve Particle Motion Equations in an Electromagnetic Field?
- akinoshigure
- · Replies 1 ·
How Do You Solve This Partial Fraction Decomposition Problem?
- TonyC
- · Replies 16 ·
How Many Buses Maximize Parking Lot Income?
- TonyC
- · Replies 9 ·
How Does a Crossbow Bolt Behave in Space?
- AdnamaLeigh
- · Replies 3 ·
How Do You Calculate GPM From Pump Cylinder Dimensions and Stroke Rate?
- scientist
- · Replies 6 ·
Electric energy of a dielectric sphere
- hhh79bigo
- · Replies 2 ·
Understanding Trig Function Behavior: Period, Amplitude, and Shifts
- aisha
- · Replies 5 ·
Simple question about velocity and acceleration
- h_k331
- · Replies 7 ·
Is the Potential in a Particle's Potential Well Always Real?
- eljose
- · Replies 2 ·
Equations of speed and position under a constant force
- Raikou Tatsu
- · Replies 3 ·
Can She Clear the Intersection or Stop in Time?
- aceXstudent
- · Replies 4 ·
Calculating Distance Using Work-Energy Theorem
- kylejustin
- · Replies 6 ·
Isomorphic Semi-Direct Products
- AKG
- · Replies 2 ·
Universal Quantifier: Determining Truth Value in Existential Statements
- mattmns
- · Replies 2 ·
Electric field - magnitude and direction
- ahuebel
- · Replies 5 ·
What Are the SI Units of the Gravitational Constant G?
- Grave9
- · Replies 6 ·
Calculating Stopping Distances: Braking vs. Accelerating at an Intersection
- thschica
- · Replies 8 ·
What is the Net Force on a Helium Nucleus Due to Proton and Electron Charges?
- Whatupdoc
- · Replies 3 ·
Solving Calculus Problems: Asymptotes, Normal Lines, and Average Rate of Change
- jai6638
- · Replies 35 ·
Is It Beneficial to Take Geometry and Algebra 2 Simultaneously?
- njkid
- · Replies 6 ·
Solving this equation: d(xy)/dx = a^xy
- Rosnet
- · Replies 9 ·
What Determines Rebound Height in a Physics Lab Experiment?
- ludi_srbin
- · Replies 3 ·
Statics: Magnitude of vectors HELP
- mrpburke
- · Replies 20 ·