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 Impulse on Bungee Jumper
- shadowice
- · Replies 14 ·
What Is the Maximum Tension a Block Can Suspend at Equilibrium?
- unknown_2
- · Replies 2 ·
How to Solve 2D Collision Billiard Balls
- Hotsuma
- · Replies 2 ·
Conservation of energy of a pulley problem
- eshelton
- · Replies 24 ·
Magnetic Flux and Induced Current
- Nivlac2425
- · Replies 6 ·
Calculating Nitrogen Gas Density at 20°C: Solutions and Explanation
- bballboy1191
- · Replies 1 ·
Separation and Potential/Kinetic Energy
- guitarman
- · Replies 2 ·
At what angle does snow appear to fall to a driver going 79 km/h?
- lauriecherie
- · Replies 3 ·
What is the Relationship Between Shear Stress and Density for Fluids?
- womfalcs3
- · Replies 2 ·
Mutual Inductance: Solving with Ampere's Law
- Frillth
- · Replies 3 ·
Relating charge to current and finding voltage in a copper wire
- RafaFutbol
- · Replies 1 ·
Physics3, angle of refraction, beam displacement
- Yroyathon
- · Replies 9 ·
Calculating Net Force and Resistive Force on a Boulder
- Ricky006
- · Replies 2 ·
Determine the focal length of a lens
- rayhan619
- · Replies 4 ·
Mass of a paper clip using the net torque equations
- rwsjyiy
- · Replies 1 ·
Pivoting Rod (How to find angular acceleration)
- physics817
- · Replies 17 ·
How Much Force to Overcome Static Friction and Move a Crate?
- wcbryant87
- · Replies 1 ·
Thermodynamic Identities Proof - Gibbs and Helmholtz
- TFM
- · Replies 32 ·
Parachutist jumping from plane Conservation of Energy
- Jordash
- · Replies 3 ·
Gravitational force on inclined plane
- Joe91090
- · Replies 11 ·
Energy Conservation or Momentum?
- azn4life1990
- · Replies 8 ·
Capacitors connected to each other
- magevivi
- · Replies 1 ·
How Much Energy is Lost Through Walls When Heating a Home?
- fball558
- · Replies 3 ·
Find the velocity of the stock car
- Joe91090
- · Replies 24 ·
Energy transformation in spring and friction problem
- junior78
- · Replies 2 ·
What kind of thermodynamic process is an air bubble rising to the water surface?
- corona7w
- · Replies 1 ·
Rectangular and polar coordinates
- Joe91090
- · Replies 4 ·
Finding Initial Velocity for Cannon Projectile to Hit Enemy Headquarters
- JME7679
- · Replies 1 ·
Solving Tension in Cables: 20 kg Speaker 2.5 m, 2 Cables 20°
- xgoddess210
- · Replies 3 ·
How many people before it sinks
- superjen
- · Replies 4 ·
A Kirchhoff's Law Circuit Analysis Problem
- Ownaginatious
- · Replies 1 ·
Magnetic field from two current-carrying wires
- Kruum
- · Replies 8 ·
How must a voltmeter be connected in a circuit?
- jimbo71
- · Replies 2 ·
Why Does Water Freeze from the Top?
- looody
- · Replies 3 ·
Conical pipe outlet pressure with 2m height difference
- BIGEYE
- · Replies 1 ·
What Are the Solutions to These Thermodynamics Problems?
- clairez93
- · Replies 8 ·
What is the Efficiency of a Heat Engine?
- TFM
- · Replies 37 ·
Impulse and Momentum of a force on a ball
- peaceandlove
- · Replies 3 ·
What does the European standard for cookware say about lid design and force?
- coffeekwok
- · Replies 1 ·
What Is the Resistance of a Device Using 3 Amps and 120 Volts?
- preciousk72
- · Replies 1 ·
Newtons laws of motion, tension problem
- Ewiges00
- · Replies 4 ·
Year 12 Sound Problem (Involves resonance in a closed pipe).
- caitie_72
- · Replies 3 ·
Finding object distance, radius, and magnification for hubcap mirror images
- freepancakes
- · Replies 1 ·
Solving Spherical and Cylindrical Capacitors for Inner Radii
- meph11
- · Replies 5 ·
Motion that changes from constant a to constant v
- fizzle45
- · Replies 1 ·
Ball thrown in the air, calculate time to hit the ground.
- T.J.12
- · Replies 1 ·
Binary Stars: Equal Mass, 350 Million km Separation, 5.4 Earth Years Orbit".
- RileyAllen
- · Replies 1 ·
Stored charege and potentials of two capacitors in series
- zoner7
- · Replies 1 ·
How Is Sound Intensity Calculated at Different Distances from a Trumpet?
- dimpledur
- · Replies 2 ·
Electric Field inside a Sphere (Gauss' Law)
- jumbogala
- · Replies 2 ·
Non-Ohmic Device Study: I-V Graphs and Light Bulb Analysis
- negat1ve
- · Replies 1 ·
Calculating Minimum Angle in Multiple-Slit Interference
- robera1
- · Replies 4 ·
How Does Shortening a Rope Affect Astronauts' Angular Momentum?
- haydn
- · Replies 1 ·
How Do You Calculate the Force on a Junction Point in a Two-Spring System?
- makeAwish
- · Replies 1 ·
What did I do wrong in calculating the x-component of net displacement?
- Joe91090
- · Replies 10 ·
Jet Pilot Loop: Solve 2 Physics Problems in 1 Hour
- RileyAllen
- · Replies 1 ·
[b]1. The problem statement, all variables and given/known
- Joe91090
- · Replies 7 ·
Whats the average current does this rotating charge represent
- xswtxoj
- · Replies 5 ·
Calculate the Electric Field at One Corner of a Square
- jumbogala
- · Replies 5 ·
How Do You Calculate the Spring Constant of a Charged DNA Molecule?
- bastige
- · Replies 4 ·
Theoretical angular momentum problems
- nns91
- · Replies 4 ·
Magnetic Force on Moving Parallel Plate Capacitor
- jason.maran
- · Replies 5 ·
Finding vertical displacement component on 27.1° slope
- Joe91090
- · Replies 8 ·
How to get this 2 dimensional equation
- superyoo
- · Replies 4 ·
Conservation of Energy - Elevator Problem.
- dhchemistry
- · Replies 12 ·
Physical Movement Caused by Current
- carrotcake10
- · Replies 4 ·
Finding string segment lengths when bead slides on rotating string
- aal0315
- · Replies 12 ·
Solving Projectile Problems: Time, Height, and Speed Calculations
- Johny 5
- · Replies 1 ·
How Do You Calculate the Height of Oil in a U-Tube?
- superjen
- · Replies 1 ·
Pendulum lab relationship between straight-line equation and period equation?
- BOYOHBOY4
- · Replies 1 ·
How Do Newton's Laws Apply to a Block and Toboggan on a Frictionless Surface?
- aal0315
- · Replies 17 ·
Is the Electric Field Parallel to the Surface of Conductors and Insulators?
- hunneysaummya
- · Replies 1 ·
Fluid mechanics mercury problem
- clairez93
- · Replies 1 ·
Tension in two strings and different angles
- Todd88
- · Replies 7 ·
How Do You Calculate Image Distance and Height Using Lenses?
- dsptl
- · Replies 6 ·
How to Find Net Torque and Angular Momentum in a Pulley System?
- nns91
- · Replies 11 ·
Finding Density of a Floating Block
- superjen
- · Replies 1 ·
Why does my lightbulb V vs I graph approach a horizontal asymptote?
- ajenkin9
- · Replies 3 ·
What is the kinetic energy now?
- genu
- · Replies 3 ·
Calculating Fluid Density: P2-P1/gh
- superjen
- · Replies 3 ·
How to Calculate Resistance and Current in a Parallel Circuit
- coolnufc
- · Replies 22 ·
Finding the force due to uniform charged rod
- mattbonner
- · Replies 4 ·
Potential difference to stop an electron question
- cwesto
- · Replies 19 ·
How to Find Acceleration and Velocity in a Block and Wedge System
- springo
- · Replies 3 ·
What is the mass of the charged balls in a magnetic field with given parameters?
- theneedtoknow
- · Replies 2 ·
Calcyulating number of protons and neutrons in early universe
- TFM
- · Replies 12 ·
What is the Capacitance of the Unknown Capacitor in the Circuit?
- xswtxoj
- · Replies 1 ·
What is the Young's modulus of this iron alloy wire?
- magma_saber
- · Replies 4 ·
Phase shifts in reflected and refracted rays at an interface
- bokonon
- · Replies 6 ·
Magnitude/Direction of Current in a Circuit
- vrobins1
- · Replies 1 ·
How Does Temperature Affect Beat Frequency in Organ Pipes?
- dimpledur
- · Replies 1 ·
What are the common uses of spectrum tubes?
- dsptl
- · Replies 13 ·
Attempt: How to Calculate Acceleration in Pulley Systems
- starprincess
- · Replies 3 ·
Magnetig flux of a straight conductor
- Kruum
- · Replies 4 ·
Resonant Frequency of a tuning fork
- KYPOWERLIFTER
- · Replies 4 ·
Solving a Physics Problem Involving a Square & Magnetic Field
- Frillth
- · Replies 1 ·
Electric field due to charged rods
- -EquinoX-
- · Replies 1 ·
Defibrillator Energy Dissipation Calculation
- phy112
- · Replies 2 ·