Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Isobaric System (work done by, or on?)
- audilover
- · Replies 1 ·
How Does Electric Field Vary with Distance in a Cylindrical Setup?
- weesiang_loke
- · Replies 1 ·
Finding tension and acceleration for two masses on a pulley
- drastice
- · Replies 16 ·
Calculating Electron Kinetic Energy in a Cathode Ray Tube
- dmitriylm
- · Replies 7 ·
Drawing shear force and bending moment diagrams for a cantilever beam
- Lowrie
- · Replies 1 ·
How Much Water Turns to Ice When Mixed with Ice at Subzero Temperatures?
- rahiem01
- · Replies 13 ·
Calculating E-Field Inside a Hollow Sphere with Concentric Shells
- flyingpig
- · Replies 27 ·
How Do You Convert d3p to a Function of Frequency Nu in Spherical Coordinates?
- erok81
- · Replies 3 ·
Potential Energy of two spheres
- lcam2
- · Replies 1 ·
Unit conversion inside a derived gausses law eq
- bobasp1
- · Replies 4 ·
Why is Angular Momentum Conserved on a Frictional Surface?
- Telemachus
- · Replies 2 ·
Centripetal acceleration where to start
- Caitiemarie89
- · Replies 1 ·
What is the Voltage read on a Real Voltmeter?
- tomrja
- · Replies 3 ·
What is the equivalent capacitance of the capacitors shown in the figure?
- cjames9001
- · Replies 1 ·
Efficiency of a heat engine in a reversible cycle
- JSmith123
- · Replies 1 ·
Equivalent Resistance Calculation for Resistors in a Circuit
- cjames9001
- · Replies 6 ·
Why do we need an Earth wire in our appliances?
- Terocamo
- · Replies 4 ·
Which optics software is recommended for drawing optics schematics?
- ricky1986
- · Replies 1 ·
Why Can We Only Calculate Average Speed During a Stone's Fall?
- snowdog301
- · Replies 2 ·
Electric potential midway between two equal point charges
- 123yt
- · Replies 6 ·
Volume flow and speed of the flow with different cross-sections and heights
- Ryker
- · Replies 6 ·
Power consumption of 600W device when voltage drops from 220V to 160V
- chawki
- · Replies 14 ·
Building a Model Car: Ideas for Traveling 10 Meters
- sophistry
- · Replies 1 ·
Linear Expansion of Steel Girder Due to Temperature Change
- chawki
- · Replies 8 ·
Real-World Collision Investigation Project for High School Physics Students
- dkifer
- · Replies 2 ·
Dated box of dates, incline ramp, find normal force
- royblaze
- · Replies 8 ·
How Does the Resistance of a Light Bulb Change When It's On Versus Off?
- natash
- · Replies 1 ·
Understanding a Charged Device: Polarization and Grounding
- runningirl
- · Replies 1 ·
How much water would be required to absorb this heat?
- Intrusionv2
- · Replies 3 ·
Baseball thrown from street passes window at 23m with 14m/s upward
- Pius
- · Replies 3 ·
Newton's 2nd Law/Coefficient of friction
- aces9113
- · Replies 5 ·
Work, evaporation and internal energy in first law of thermodynamics
- rijo664
- · Replies 2 ·
What Is the Acceleration of a Rolling Tire's Top and Bottom?
- joej24
- · Replies 12 ·
Rocket Propulsion - Varying mass
- P-Illiterate
- · Replies 2 ·
Maximum height and time for object launched at 13.8 m/s
- theredeemer
- · Replies 11 ·
Finding Acceleration of Car Stopping in 157ft at 70mph
- armolinasf
- · Replies 4 ·
Euler's method for tank drainage when inlet A stops
- djspuddy
- · Replies 5 ·
Solar radiation intercepted by Mars surface
- helpemz2011
- · Replies 18 ·
How Do Two Equal Mass Asteroids Orbit Each Other?
- CornerCase
- · Replies 6 ·
Isothermal expansion: reversible vs irreversible
- chemboy101
- · Replies 2 ·
What Are the Mass and Speed After an Elastic Collision in Ice Hockey?
- papereater33
- · Replies 9 ·
Calculating spacetime intervals between events
- maker2807
- · Replies 4 ·
Height of pine tree casting shadow on a wall
- chawki
- · Replies 18 ·
Electric Field inside a metal sphere
- Squall
- · Replies 2 ·
Archimedes' Problem: Iron Body Submerged in Water
- germangb
- · Replies 2 ·
Relating force, displacement, time and velocity
- Ohoneo
- · Replies 4 ·
Concentric Spheres: Learn About Shapes
- nabaa
- · Replies 2 ·
Magnitude of Acceleration given a pendulum equilibrium
- joejoemickgo
- · Replies 1 ·
Kinematics - Boat over a constant River.
- Exuro89
- · Replies 21 ·
Geodesics on Surfaces: Proving the Relationship to Particle Motion
- Grand
- · Replies 1 ·
Moment of inertia using parallel axis theorem
- nabaa
- · Replies 35 ·
Electric field from storm cloud at aircraft altitude
- baileya
- · Replies 1 ·
Electric Field and Charge of a Capacitor
- Squall
- · Replies 4 ·
Thermodynamics, Finding Work and Heat transfer
- crazyhiindu25
- · Replies 1 ·
How Fast Must a Tennis Player Run to Return a Lob?
- mac227
- · Replies 1 ·
How Does Temperature Change Over Time Between Two Aluminum Plates?
- kubixxx
- · Replies 6 ·
Calculus Problem (involes critical numbers)
- Cod
- · Replies 4 ·
A man in an elevator at the forces affecting him
- aeromat
- · Replies 4 ·
How Does Temperature Affect the Length of Steel?
- chawki
- · Replies 4 ·
Calculating Change in Kinetic Energy of Cart
- Goatsenator
- · Replies 2 ·
Resistance depending on temperature
- lilaznjewel
- · Replies 10 ·
How do I calculate work when both pressure and volume are changing?
- celtic
- · Replies 1 ·
What is the angle of the velocity vector of a released package?
- mac227
- · Replies 5 ·
Finding vector components and angles from a treasure hunt diagram
- godkills
- · Replies 3 ·
Rocket's Max Height: Solving for ymax
- Turtlie
- · Replies 1 ·
Find Force Applied to Tooth with Tension of 2.0 N
- Resmo112
- · Replies 3 ·
Cathode ray tube deflection with voltage between plates
- pokeefer
- · Replies 3 ·
Potential Difference Between Capacitors in Circut
- nolachrymose
- · Replies 5 ·
Energy lost charging a capacitor - can someone check my calculations.
- MalachiK
- · Replies 3 ·
Dynamics: Minimum Force Problem
- JM92
- · Replies 2 ·
Moment of inertia of 3 disc system
- Rosengrip
- · Replies 3 ·
Block sliding down incline at constant velocity with friction
- crosbykins
- · Replies 2 ·
How Is Work Calculated When Moving a Charge Near a Conducting Shell?
- NT123
- · Replies 1 ·
Current from a sine wave signal
- dancergirlie
- · Replies 1 ·
If the electron is freed up, what would be its acceleration?
- dimpledur
- · Replies 6 ·
How do I solve for voltage in a phototube with multiple figures and connections?
- dimpledur
- · Replies 18 ·
Finding f_L as Source Speed Approaches Speed of Sound
- JJBladester
- · Replies 1 ·
What is the Magnitude of the Dipole Moment in a Uniform Electric Field?
- nothingatall
- · Replies 3 ·
What is Coulomb's law and what does it act on?
- runningirl
- · Replies 2 ·
Bolt Falling from elevator ceiling
- cal.queen92
- · Replies 11 ·
Fluid mechanics barometer problem
- anmolnanda
- · Replies 1 ·
Angular acceleration, inertia, torque, mass, force and velocity
- akkamaan
- · Replies 17 ·
Monatomic Gas and Isotherm - W, U Calculations
- dvolpe
- · Replies 6 ·
I am not sure the source of error of simple pendulum experiment
- Raul Lai
- · Replies 39 ·
How Do Wind and Plane Angles Affect Flight Direction and Speed?
- ilene
- · Replies 1 ·
What is the translational speed of the cylinder after falling 8.0 meters?
- BlameTruth
- · Replies 9 ·
Calculating the Magnetic Field in Free Space
- miew
- · Replies 8 ·
Graph of electric field, determine potential
- allison08
- · Replies 2 ·
What is the process for measuring torque in a magnetic field experiment?
- quietrain
- · Replies 2 ·
Calculating Stopping Distance for a Moving Truck and Box to Prevent Sliding
- bbreezy
- · Replies 1 ·
Tension Change When Spreading Scales: What Happens and Why?
- mouasee012
- · Replies 1 ·
Turtle starting from rest with constant acceleration toward pine tree
- The Tutor
- · Replies 2 ·
How Does a Boat's Position Change with Wind and Currents?
- nakidhoboe
- · Replies 3 ·
Book sliding off a table: height, distance, and final velocity
- RawTalent
- · Replies 3 ·
How Does a Pitcher's Force Influence a Baseball's Acceleration and Distance?
- Amanda567
- · Replies 5 ·
What Is the Coefficient of Kinetic Friction for a Hockey Puck on Ice?
- bbreezy
- · Replies 3 ·
Circular motion, grade 12 physics
- XxphysicsxX
- · Replies 2 ·
Which Object Exerts More Force: A or B?
- AnomalyCoder
- · Replies 1 ·
2-D Kinematics Vector Resolution
- endverse
- · Replies 1 ·
Parallel or Series Capacitors: Solving Circuit Confusion
- Ahalp
- · Replies 1 ·