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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Understanding Electrical Potential
- ybansal
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Understanding Mirror Reflections: Solving for the Distance of a Third Reflection
- ritwik06
- · Replies 5 ·
Work and Energy with Electricity
- xxkbxx
- · Replies 6 ·
Projectile Motion involving eletric fields
- SF2K4
- · Replies 7 ·
Understanding Collision Scenarios in Physics-based Game Development
- Ruddiger
- · Replies 9 ·
Forces on a Collar Applied by Cable and Rod
- Bradracer18
- · Replies 6 ·
Explain Apparent Weight & Fluid Mechanics (3)
- kingwinner
- · Replies 2 ·
Simple Charges/Induction Question
- Rockstar47
- · Replies 1 ·
Find Delta r for Particle Displacement of 65m in 41° Direction
- IUBritt09
- · Replies 2 ·
What is the force exerted on cylinder A in a V-shaped trough?
- Bradracer18
- · Replies 10 ·
Free electron border between relativity and non-relativity
- Odyssey
- · Replies 5 ·
What is the entropy change of aluminum?
- KrazyX24
- · Replies 1 ·
Electric Potential: Find V between 6.17 nC & -4.32 nC Charges
- shaka23h
- · Replies 3 ·
Solve Gauss' Law Problem: Electric Flux Hemisphere
- Rockstar47
- · Replies 2 ·
Converting Units: How Do I Convert kg/cm^3 to kg/m^3?
- Ian Larkin
- · Replies 2 ·
Dynamics - velocity from polar coordinates
- Reverend Lee
- · Replies 1 ·
Calculating Work Done by Variable Force
- rock4christ
- · Replies 4 ·
Real photo of an atom or maybe quark?
- nerubz
- · Replies 3 ·
Calculate the speed of aircraft
- ritwik06
- · Replies 9 ·
How Do You Calculate Acceleration and Velocity in Physics Problems?
- jkt
- · Replies 1 ·
Why Do Standing Waves Require Specific Wavelength Conditions?
- suspenc3
- · Replies 1 ·
Equation for airtime given velocity?
- Toptomcat
- · Replies 3 ·
Solving for Two Identical Violin Strings
- stylez03
- · Replies 28 ·
Gauss's Law Charged Hollow Conductor
- ice109
- · Replies 18 ·
How Do You Calculate Electric Flux Through a Circular Disk in an Electric Field?
- Physicus2
- · Replies 1 ·
Torque/moment of intertia questions
- Koolaid
- · Replies 8 ·
How Does Gauss' Law Apply to Non-Zero Electric Flux in a Rectangular Box?
- Joules23
- · Replies 7 ·
Why Doesn't Lightning Pull the Cloud to the Ground?
- gabby989062
- · Replies 1 ·
Some questions about light and vision.
- GPMann
- · Replies 5 ·
Explaining Angular Frequency: \theta, m, R, r & k
- suspenc3
- · Replies 1 ·
What Is the Mass of a Nucleon?
- Odyssey
- · Replies 2 ·
Hydrodynamics Bernoulli's equation
- Gyroscope
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What is the Electric Field at Points 1, 2, and 3 between Two Charged Sheets?
- abeltyukov
- · Replies 6 ·
Solving Simple Harmonic Motion Problems| Physics HW
- suspenc3
- · Replies 10 ·
Billiard ball collision problem
- danield
- · Replies 15 ·
Calculating Stone Heights and Velocities in Basic Physics Problems
- Rasine
- · Replies 1 ·
Electron Accleration Calculation | Homework Solutions
- soulja101
- · Replies 1 ·
Simple Hamonic Motion(spring system)
- suspenc3
- · Replies 2 ·
Solve Spring Question: 6kg Mass Moves 4m/s
- dnt
- · Replies 3 ·
Destructive interference in wavelengths question
- StudentofPhysics
- · Replies 2 ·
Calculating Number of Fringes with Wavelength and Slit Width
- StudentofPhysics
- · Replies 1 ·
Prisim and angle of deviation problem
- buttterfly41
- · Replies 1 ·
Electromagnetism II - Potential and Electrical Field of a Spherical Shell
- Asrai
- · Replies 8 ·
How far above the release point will the ball and stone pass each other?
- meggy8716
- · Replies 4 ·
What is the time difference between two cars when traveling at different speeds?
- hemang
- · Replies 9 ·
Quick Acceleration Formula: Solving for Time, Distance, and Acceleration
- Kristopher
- · Replies 8 ·
How Does a Wall Collision Affect a Ball's Momentum and Contact Time?
- dnt
- · Replies 13 ·
Calculating Electron Acceleration in an X-ray Machine
- wakejosh
- · Replies 4 ·
Why Does the Direction of an Electric Field Match the Force on a Proton?
- Soaring Crane
- · Replies 1 ·
Does Shape Affect the Tension in Strings Suspended in Water?
- cy19861126
- · Replies 4 ·
Phase difference in CR and LR circuits
- cash200107
- · Replies 1 ·
How far does a baseball drop when thrown at 42.4 m/s over 15.3 m?
- hemang
- · Replies 2 ·
Sensation of weightlessness homework
- ritwik06
- · Replies 10 ·
Why Is the Frequency of the Standing Wave in the Wire 2f?
- teleport
- · Replies 4 ·
Air Temperature Affects 512HZ Tuning Fork Resonance
- soulja101
- · Replies 5 ·
Maximum speed for pendulum problem
- soulja101
- · Replies 7 ·
Calculating the Speed of a Bird Flying at an Angle
- shehri
- · Replies 2 ·
Will the Unsecured Shed Roof Withstand the Storm Winds?
- vu10758
- · Replies 1 ·
Heat Capacity and Energy supplied
- nina
- · Replies 3 ·
How Does Projectile Motion Affect a Stone Thrown from a Cliff?
- blaziken's_charizard
- · Replies 5 ·
What if eyes were sensitive to infrared?
- ritwik06
- · Replies 11 ·
Simple question about potential energy of two-atom system
- Signifier
- · Replies 1 ·
Density and simple harmonic motion
- vu10758
- · Replies 5 ·
How Far Is the Sound Level from a Loudspeaker at Different Decibels?
- ultimateguy
- · Replies 1 ·
Force Diagram of Electrostatic Forces
- Soaring Crane
- · Replies 2 ·
What Do the Variables in the Projectile Trajectory Equation Represent?
- randomvictim
- · Replies 10 ·
Fluid Displacement and the Drop in Water Level Explained
- vu10758
- · Replies 1 ·
Calculating Length of Pipe Open at Both Ends
- soulja101
- · Replies 1 ·
Mach Value64: Calculate Jet Speed after 41s at 12ms2
- soulja101
- · Replies 1 ·
Net force is required to bring the truck to a stop
- soulja101
- · Replies 2 ·
Coulomb's Law and repulsive force
- Soaring Crane
- · Replies 1 ·
What Is the Acceleration of a Rock at the Apex of Its Flight?
- soulja101
- · Replies 3 ·
Athlete Climbs w/ 4 Potato Chips - Amount Heated 44
- soulja101
- · Replies 1 ·
Time to Accelerate from 30.0 m/s to 50.0 m/s - 5s
- soulja101
- · Replies 2 ·
What is the force of gravity at different distances from the center of Earth?
- soulja101
- · Replies 4 ·
Calculate the change in the box's kinetic energy
- lzh
- · Replies 9 ·
How High Does a Sphere Rise Above Water After Being Released from the Bottom?
- vu10758
- · Replies 2 ·
How Does the Work Function of Cesium Impact Photoelectric Effect Calculations?
- MarkusNaslund19
- · Replies 1 ·
Electron's Speed in Field and Charge
- Soaring Crane
- · Replies 1 ·
How Many Influenza Viruses Land on You from a Cough?
- anf9292
- · Replies 1 ·
Calculate Spring Extension for Horizontal Projectile Launcher
- Dunno03
- · Replies 6 ·
What is the weight of a 19kg stone?
- soulja101
- · Replies 9 ·
Average Velocity: Solve 1.00*10É2(N), 1.50*10É2m(S), 5.0*10É1(E) @ 40 m/s
- soulja101
- · Replies 2 ·
Calculating Kinetic Energy and Height Change
- soulja101
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Relationship between work and potential energy
- lzh
- · Replies 11 ·
What Is the Optimal Launch Angle for Maximum Distance?
- Curious-T
- · Replies 4 ·
Solve Spring Problem: 97.6g Ball Dropped from 58.7cm
- lzh
- · Replies 2 ·
What Causes Surface Tension Force to Hold a Needle on Water?
- dobry_den
- · Replies 6 ·
Find Diameter of Circle with 300 Bases - 3.44E-2μm
- anf9292
- · Replies 1 ·
Why Aren't Birds Electrocuted on Powerlines?
- pivoxa15
- · Replies 15 ·
Vacuum Well Pump: Understanding Pressure & Density
- Idea04
- · Replies 5 ·
Mechanical energy of sliding beads
- lzh
- · Replies 9 ·
Viscosity of Water: Calculating Temperature-Dependent Flow
- Bradracer18
- · Replies 5 ·
Fluid Dynamics: How Does a Hydraulic Press Work?
- bunion
- · Replies 1 ·
What Causes a Sledge to Accelerate on Rails in Physics?
- Brewer
- · Replies 4 ·
Calculate Jet Engine Thrust for 800 kg Jet Takeoff with 4 m/s^-2 Acceleration
- BIGEYE
- · Replies 2 ·
What are some strategies for building a successful spaghetti mouse trap car?
- koujidaisuki76
- · Replies 6 ·
Relativity : Muons traveling Qns
- Delzac
- · Replies 1 ·
Relativity : Traveling to Andromeda galaxy
- Delzac
- · Replies 1 ·
Work Done by a Force: A Breakdown
- IMGOOD
- · Replies 1 ·