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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Pulley Problem for Engineering Dynamics Course
- VinnyCee
- · Replies 2 ·
Determining Distance Between Crossed Wires for Magnetic Field Threshold
- Taryn
- · Replies 6 ·
Ball dropped into oil: change in internal energy
- jamesm113
- · Replies 8 ·
How to find the L1 (First Langrangian Point) between the Earth and the Moon?
- ootz0rz
- · Replies 3 ·
Position of block sliding down incline with and without friction
- ksle82
- · Replies 3 ·
Why does critical damping approach zero faster than overdamping in RLC circuits?
- wimvd
- · Replies 2 ·
Quick physics (motion) question:
- Skorge
- · Replies 4 ·
Convex mirror with convergent beam: image position and magnification
- Amith2006
- · Replies 7 ·
How Do You Calculate the Mass of All the Water on Earth?
- Brewer
- · Replies 1 ·
Duck displacement problem and kinematics homework check
- aarietta
- · Replies 2 ·
Atmospheric pressure and density.
- Brewer
- · Replies 4 ·
Solving Planck's Uncertainty Problem for Baseball Motion
- georgeh
- · Replies 1 ·
Why does the Michelson-Morley experiment predict T1/T2 > 1?
- catalyst55
- · Replies 5 ·
Electric field strength in a square.
- al_201314
- · Replies 6 ·
Work and horsepower to pull a 65 kg skier up a 30° slope
- netprincess
- · Replies 5 ·
How Do Electric Charge and Electric Potential Energy Differ?
- oooo
- · Replies 1 ·
Electricity and Magnetism in a veloctiy selector
- Mr. Snookums
- · Replies 1 ·
What Happens to the Refraction Angle as the Incident Angle Nears 90 Degrees?
- ohlhauc1
- · Replies 1 ·
Electric Field Distribution in a Charged Hollow Metal Sphere
- Numbnut247
- · Replies 18 ·
Calculating Temperature Change for Steel Rod Stretching
- parttime
- · Replies 1 ·
Two people are pulling on a stubborn mule. Person one is pulling the
- oaky6
- · Replies 5 ·
Zobel network in parallel with a speaker
- copresh1
- · Replies 6 ·
Finding stream diameter 13 cm below a faucet using continuity equation
- parttime
- · Replies 2 ·
How Do You Calculate the Time a Ball Stays Above a Certain Height?
- lando45
- · Replies 1 ·
Finding weight in Newtons and scale reading in accelerating elevator
- miss_taken19
- · Replies 8 ·
Energy stored in parallel plate capacitor without using plate separation
- runran
- · Replies 3 ·
Which angle are they asking for?
- rcwha
- · Replies 1 ·
Number of images formed by 3 mutually perpendicular plane mirrors
- Amith2006
- · Replies 1 ·
Solving a Trolley Acceleration Dilemma: Power vs. Time
- al_201314
- · Replies 2 ·
Rotational Motion and acceleration Question
- cukitas2001
- · Replies 1 ·
Finding coefficient of friction from grindstone torque and normal force
- Luis2101
- · Replies 4 ·
Force in a dynamics of rotation problem?
- erik-the-red
- · Replies 3 ·
Nature of image formed by a plane mirror
- Amith2006
- · Replies 2 ·
What is the gravitational field of a flat disc?
- speg
- · Replies 6 ·
Calculation involving Parallel Plate Capacitor
- popsune
- · Replies 5 ·
Electric force between K+ and Cl- ions 9E-10m apart
- runran
- · Replies 3 ·
Drawing diffraction angles for red and blue light with a grating
- nophun6
- · Replies 2 ·
How Do Forces and Angles Affect Angular Acceleration in a Pulley System?
- parttime
- · Replies 6 ·
Calculating Velocity of Propelled Object Using Bernoulli's Equation
- pavadrin
- · Replies 7 ·
Energy differences when climbing a flight of stairs
- pavadrin
- · Replies 3 ·
O Physics:How does jumping work?
- rantermanter
- · Replies 4 ·
Determining Currents and Potential Difference in a Circuit
- jg95ae
- · Replies 9 ·
Moment of inertia of a rod about an axis
- Supernerd2004
- · Replies 5 ·
How Does Wind Affect the Velocity of an Aircraft?
- oaky6
- · Replies 1 ·
Moment of inertia for three perpendicular rods
- parttime
- · Replies 2 ·
How Fast Must a Puma Jump to Reach 11.5 Feet?
- rcwha
- · Replies 3 ·
Final displacement after traveling 4.5 km SE, 3 km E, 6 km N, and 30° NW
- kyleharvey7
- · Replies 17 ·
Terminal Voltage Battery 12V - 1.90A 6W Resistor
- endeavor
- · Replies 6 ·
Energy to ionize all hydrogen in the Sun
- Brewer
- · Replies 4 ·
How does friction affect the distance of a sliding object?
- cukitas2001
- · Replies 13 ·
Escaping Imprisonment on Earth or the Moon?
- jmccray
- · Replies 4 ·
How Do You Choose the Correct Kinematics Equation for a Problem?
- PhillyGixxer
- · Replies 4 ·
Essay of fluid dynamics for IB diploma
- Srinand
- · Replies 1 ·
Identical Springs: Stretching 0.160m with 50 Coils
- jmccray
- · Replies 3 ·
Finding Tension in a Piano Wire Wrapped Around a Tuning Peg
- jmccray
- · Replies 1 ·
Why does intensity decrease with successive mirror reflections?
- Amith2006
- · Replies 1 ·
Image formed by a convex mirror
- Amith2006
- · Replies 4 ·
Why Does a Unified Atomic Mass Unit Differ from Calculated Values?
- al_201314
- · Replies 2 ·
RC Time Constant and Average Slope
- Trista
- · Replies 2 ·
What is the average velocity equation?
- Helicobacter
- · Replies 2 ·
Final temperature of gold bar dropped into water
- Speedy
- · Replies 2 ·
Three 9 kΩ resistors in series with 1625 mV battery
- oooo
- · Replies 1 ·
How Does the Bohr Model Explain Ionization Energy in Hydrogen Atoms?
- nophun6
- · Replies 1 ·
How Do Momentum and Impulse Impact Your Golf Swing?
- bolson07
- · Replies 8 ·
Finding the Torque in a 3000 lb Car Acceleration
- Supernerd2004
- · Replies 4 ·
Direction and magnitude of induced electric field in Faraday's law
- arnesmeets
- · Replies 6 ·
Frequency of vibration of air column
- Amith2006
- · Replies 8 ·
Minimizing tunnel construction cost with two companies using calculus
- Sivasankari
- · Replies 4 ·
How Can I Reduce Voltage from 1.3V-4.8V to Below 1.15V for My Microprocessor?
- rollyasilo
- · Replies 4 ·
Finding Displacement through integration
- GregA
- · Replies 3 ·
Experiment utilizing Fourier Analysis
- cscott
- · Replies 12 ·
Deriving Velocity Expression for Angular Impulse in Polar Coordinates
- littleHilbert
- · Replies 4 ·
How Do I Double Integrate Discrete Acceleration Data to Find Displacement?
- sanjayindia
- · Replies 1 ·
Reading on Newton's law of universal gravitation
- Ukitake Jyuushirou
- · Replies 4 ·
How Is Lambda Max Derived from Planck's Law?
- georgeh
- · Replies 1 ·
Do All Engines Have the Same Efficiency as Carnot Engines?
- annetjelie
- · Replies 1 ·
What is the voltage across the capacitor plates
- flower76
- · Replies 3 ·
LAB - capacitor discharge and time constant
- Trista
- · Replies 5 ·
How Do Forces Distribute in a Block and Tackle System?
- ksle82
- · Replies 1 ·
How Do Forces Affect the Center of Mass Displacement in a Two-Object System?
- sophzilla
- · Replies 1 ·
Electric work and potential difference
- jg95ae
- · Replies 7 ·
Lower Specific Heat Capacity: Why Does It Transfer Heat Faster?
- danago
- · Replies 4 ·
How Do You Calculate the Compression of a Spring When a Block is Dropped on It?
- jamesm113
- · Replies 5 ·
How Do You Calculate the Magnitude of a Daughter Nucleus's Momentum?
- sophzilla
- · Replies 2 ·
What Determines the Center of Mass Movement in a Two-Object System Under Force?
- sophzilla
- · Replies 1 ·
Is weight 900 N or 882.9 N for a 90 kg person on Earth?
- Ideologue
- · Replies 12 ·
Snells Law and the Refraction of Light
- spoonthrower
- · Replies 1 ·
Finding friction coefficient to stop the big box on a slope
- TSN79
- · Replies 3 ·
Electromagnetics - Two long wires carry equal, but opposite currents
- Drevin
- · Replies 2 ·
How Do You Calculate the Frequency of Microwaves Using Standing Waves?
- Amith2006
- · Replies 1 ·
How Do You Calculate the Angle for Skiing Down an Incline?
- elizabethR
- · Replies 5 ·
Do Sinusoidal Equations Represent Different Wave Types?
- Amith2006
- · Replies 1 ·
Power radiated by a speaker with 20 cm circular opening
- Amith2006
- · Replies 1 ·
Isentropic steam expansion to 550 kPa from 2000 kPa and 250°C
- rmenon
- · Replies 4 ·
Calculating Planck Constant and Work Function in Photoelectric Experiment
- georgeh
- · Replies 2 ·
Calculate the heat during the canon ball rise
- epsbanga12
- · Replies 6 ·
How do you calculate electrical energy?
- ohlhauc1
- · Replies 3 ·
Rod moving through non-uniform magnetic field from current-carrying wire
- nahya
- · Replies 6 ·
Do linear and angular momentums overlap?
- boris16
- · Replies 2 ·