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 Happens to the Force Between Two Touching Charged Spheres When Separated?
- TheMadCapBeta
- · Replies 2 ·
What is the required tension in a high wire for a 50 kg person to safely cross?
- magystical
- · Replies 2 ·
Find Work Done by Engine in One Propeller Rev - 171 hp, 2310 RPM, 527.612 N*m
- ACLerok
- · Replies 3 ·
What Is the Correct Electric Field Calculation for a Point Charge?
- nautica
- · Replies 3 ·
Parallel Resistance for Two Identical Headlights with 6V Battery
- nautica
- · Replies 2 ·
Bungee jump from a bridge, how to find h
- jperez94
- · Replies 2 ·
How Does the Relativistic Doppler Shift Equation Simplify for Low Velocities?
- gnome
- · Replies 2 ·
Solve f(x) for a and b: Calc Workshop Help
- ACLerok
- · Replies 3 ·
What are the Moments and Forces in These Statics Problems?
- formulajoe
- · Replies 3 ·
Help with Confusing Fluid Problem: Filling a Pool
- mindhater
- · Replies 2 ·
Solving Easy Work Problem: 10N x 3.5m and 805 N x 22m
- diciccod
- · Replies 2 ·
Waves Investigation [Using water]
- Acidvoodoo
- · Replies 2 ·
How to interpret this projectile motion problem
- mcintyre_ie
- · Replies 2 ·
Help with Momentum: Change in Momentum & Force Magnitude
- badboyben03
- · Replies 2 ·
What Is the Correct Calculation of Stress in Welded Cylindrical Rods AB and BC?
- freespirit
- · Replies 5 ·
Rotational kinematics and grinding wheel
- ACLerok
- · Replies 2 ·
Find Initial Velocity of 5.5g Bullet Impacting 22.6g Block
- melal
- · Replies 2 ·
Differentiating electromagnetic field
- jlmac2001
- · Replies 4 ·
Solve Fluid Motion Problems: Blood Pressure & Oil Flow
- moonlit
- · Replies 6 ·
Free Fall Problems: Solving for Speed Without Calculus - Formula Included
- holly
- · Replies 2 ·
Elastic head-on collision physics
- Eminem04
- · Replies 4 ·
Understanding Electric Current and Capacitance: Tips and Examples for Success
- nautica
- · Replies 5 ·
Solve Lava Bubble Layer Problem: Speed & Direction
- DivGradCurl
- · Replies 2 ·
Non-free-fall Acceleration Problem
- holly
- · Replies 3 ·
How to Integrate by Parts Twice for e^3x cos(x)?
- Klion
- · Replies 4 ·
Centroid of a shape with a half circle hole
- cathliccat
- · Replies 3 ·
Integral of Natural Log Part II
- wubie
- · Replies 4 ·
Quick Algebra Questions: Factoring and Solving Equations Explained
- physicszman
- · Replies 3 ·
Hyperfine and fine structure ENERGIES
- student1938
- · Replies 2 ·
Help my girlfriend with average force, she has a test tomorrow (Should be easy)
- Unknown
- · Replies 2 ·
Integrating Natural Logarithmic Functions
- wubie
- · Replies 3 ·
Ball rolling down ramp off a table
- KingNothing
- · Replies 2 ·
Solving for Initial Speed of a 5.5g Bullet Impacting Wood Block
- CoolBlueR
- · Replies 2 ·
What constant force does the punter exert on the ball?
- pinkbubbles04
- · Replies 2 ·
Dropped Rock Kinetic Energy Problem
- NIT14
- · Replies 5 ·
Searching for female physicists
- kl2d1726
- · Replies 5 ·
Solving a Car's Travel in a Flat Circle - Can You Help?
- Xamfy19
- · Replies 4 ·
Help for High School Physics Student: Drawing Force Diagrams
- dgessler
- · Replies 2 ·
Solving Poiseuille's Law Flow Rate Problem | Help Needed
- rddimtbo
- · Replies 1 ·
Where is the Electric Field Zero Between Two Charges?
- mrbling
- · Replies 7 ·
Why alkanes are said to be saturated
- recon
- · Replies 2 ·
Problem with composite functions
- krusty the clown
- · Replies 5 ·
Help with physics transformation homework
- Dagenais
- · Replies 2 ·
Need Help? Solve 2 Physics Problems
- spudnick
- · Replies 3 ·
Equilvalent Resistance Problems
- mustang
- · Replies 4 ·
Calculating Electric Field in a Line of Charge Problem
- Andrew.
- · Replies 4 ·
Webpage title: How to Calculate <x> for a One-Dimensional Harmonic Oscillator
- spdf13
- · Replies 2 ·
What is the maximum altitude reached?
- Themachine8
- · Replies 3 ·
Calculate the normal force and the tension in the string
- hadoken22
- · Replies 3 ·
Irrotational and divergenceless?
- jlmac2001
- · Replies 2 ·
Solve Resistance Problem 27: Finding Resistance of A | Problem 28 Solution
- mustang
- · Replies 2 ·
How Does Electric Field Strength Change with Distance from a Point Charge?
- pringless
- · Replies 2 ·
How Is the Potential Energy of a Skydiver-Earth System Reducing?
- Crashdowngurl
- · Replies 3 ·
How Does Physics Enhance Car Performance and Safety Features?
- Kensai
- · Replies 3 ·
Calculating Internal Resistance of a Voltage Source from Terminal Voltage Drop
- nautica
- · Replies 5 ·
How do I calibrate a thermistor for measuring the melting point of a chemical?
- richMMIV
- · Replies 1 ·
Calculating Force to Pull Copper Ball Upward
- anneseanandy
- · Replies 3 ·
Newtonian mechanics on a particle
- jlmac2001
- · Replies 2 ·
SecondOrder Nonhomogenous Linear Differential Equations
- wubie
- · Replies 1 ·
How can I determine the speed of a bullet fired into a block of wood?
- Crashdowngurl
- · Replies 3 ·
Solve Laplacian for sqrt(x^-y^2) & ln(r^2)
- jlmac2001
- · Replies 4 ·
Verifying the Conservativity of F and Finding Scalar Potential for F=-gradV"
- jlmac2001
- · Replies 2 ·
Need help with conduction and oscillation question.
- Skyblitz
- · Replies 2 ·
Powering 4 Blue LED's in Parallel: Dropping Voltage to 3.5V
- Cummings
- · Replies 5 ·
EMF in Rectangular Loop: Solve Now!
- infinitelylong
- · Replies 2 ·
What is the Formula for Converting Rotational Speed to Linear Speed?
- celect
- · Replies 3 ·
Electric potential in regions of concentric thin, conducing, spherical shells
- yanyin
- · Replies 3 ·
Finding the y-intercept of a Parabola: A Hint
- Echo 6 Sierra
- · Replies 6 ·
What are vectors and how are they used in physics?
- Maxwell
- · Replies 3 ·
Photoelectric Effect: Max Current, Cutoff Potential, Kinetic Energy
- marshall4
- · Replies 2 ·
Mastering Forces on an Inclined Plane: Final Exam Question Help
- paigegail
- · Replies 2 ·
Force of Object on Inclined Place
- paigegail
- · Replies 2 ·
Solving Resistor Problems 17, 26, & 27
- mustang
- · Replies 2 ·
Solve Series Resistor Problems: 7, 11 & 13
- mustang
- · Replies 2 ·
Simple Quantum Mechanics Problem
- student1938
- · Replies 13 ·
What is Young's Modulus and How Does it Differ Between Materials?
- Magg$
- · Replies 20 ·
What Are the Key Concepts of Mass, Pressure, and Buoyancy in the Atmosphere?
- Krivanka
- · Replies 2 ·
How Fast Does a Girl Enter the Water When Diving from a 15m Platform?
- meawinner
- · Replies 2 ·
At what time will the particle be traveling at 32 degrees
- Xamfy19
- · Replies 7 ·
Finding the Angle Between Two Vectors
- formulajoe
- · Replies 3 ·
Calculating Receiver's Path and Speed to Catch Thrown Ball
- neochris
- · Replies 3 ·
Calculating Initial Velocity for a Basketball Player's Leap
- pepperoni
- · Replies 4 ·
How did they calculate the speed of light?
- crystal cascade
- · Replies 4 ·
What Is the Magnitude of the Force?
- HandcuffedKitty
- · Replies 3 ·
Physics hw =p need formula help
- tzvu
- · Replies 5 ·
Clueless about electric charges questions;
- Matt Jacques
- · Replies 2 ·
How Do You Calculate Acceleration in Different Scenarios?
- adversary
- · Replies 2 ·
Theres something about gravitational
- ACLerok
- · Replies 2 ·
How Do You Calculate Electric Fields of Spherical Charges Using Gauss's Law?
- eku_girl83
- · Replies 3 ·
Circular Movement: Understanding m = 0.4Kg - Helpful Picture Included!
- DR33
- · Replies 2 ·
Calculating Work and Kinetic Energy of Jet-Powered Train
- DarkAnt
- · Replies 2 ·
Calculating Tension of Steel Wire at Different Temperatures
- HWManiac
- · Replies 3 ·
How can I solve the problem of circular movement with a 0.4 Kg object?
- DR33
- · Replies 2 ·
Why Is Charge Measured in Nanofarads Instead of Coulombs?
- AngelofMusic
- · Replies 2 ·
Discover the Heat Transfer in a Thermo-Aluminum Calorimeter with Metallic Blocks
- PrudensOptimus
- · Replies 1 ·
Smallest Argument of Complex Number z |z+8i|=4
- kishtik
- · Replies 2 ·
Electric field in two dimensions
- stunner5000pt
- · Replies 2 ·
Discovering Frustration with Physics: Help Appreciated
- Kozel
- · Replies 2 ·
Solving Christmas Tree, Ocean, and Triangle Physics Problems
- hyen84
- · Replies 2 ·