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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Length in relation to fusing current
- mrshoaib
- · Replies 27 ·
Calculate Weight of 1.0 kg Mass on Earth's Surface
- rachael
- · Replies 2 ·
What are the forces acting on an object sliding down a hill?
- sauri
- · Replies 12 ·
After Ball Launch: How High Does It Reach?
- sauri
- · Replies 2 ·
Calculating Acceleration and Tension in Vertical Circular Motion
- rachael
- · Replies 2 ·
Pulling a sled, work, and tension
- ebeck1
- · Replies 15 ·
Unit of work in mechanics and thermo dynamics
- chandran
- · Replies 3 ·
Calculating the Angle of Projection for a Fired Cannon Shell
- rukawa1107
- · Replies 1 ·
Calculating Plane's Work and Force on Aircraft Carrier
- ajc9387
- · Replies 1 ·
Calculating Wavelength of Photons Emitted in H2 Molecule Transitions
- alfredbester
- · Replies 1 ·
Solving Momentum Change Problem: Canoe & Girl's Distance to Shore
- Huskies213
- · Replies 5 ·
Parallel plate capacitor with two dielectric layers
- Punchlinegirl
- · Replies 8 ·
Calculate the density of plutonium
- kidia
- · Replies 3 ·
Can Volume and Linear Charge Densities Be Interchanged in Calculations?
- MtHaleyGirl
- · Replies 1 ·
Ski jumper projectile motion with landing velocity and displacement
- Finns14
- · Replies 2 ·
What is one advantage of transferring energy by electromagnetic waves?
- LezardValeth
- · Replies 1 ·
Ski jumper projectile motion with landing velocity and displacement
- Finns14
- · Replies 1 ·
Can Two Identical Batteries Power Two Bulbs as Brightly as One?
- nophun6
- · Replies 2 ·
Why Is Zero the Upper Limit in Escape Velocity Derivation?
- shaan_aragorn
- · Replies 1 ·
Solving the Hinged Stick Problem for Time-Based Angular Acceleration/Speed
- jdlawlis
- · Replies 3 ·
How Long to Walk Off a Light Bulb's Energy?
- edal01
- · Replies 8 ·
Field and Orbital Frequency Calculation
- brad sue
- · Replies 2 ·
Electric field of coax cable problem
- Punchlinegirl
- · Replies 2 ·
Parallel plate capacitor electric charge
- Punchlinegirl
- · Replies 3 ·
Orbital simulator and non fixed orbit
- FLOUR
- · Replies 1 ·
Popsicle stick bridge competition: maximizing strength-to-weight ratio
- marshmallowchicken
- · Replies 4 ·
How Quickly Does a Spring's Restoring Force Counteract Applied Force?
- chandran
- · Replies 2 ·
Why is a paper falling slower than a heavier object?
- jrm2002
- · Replies 7 ·
How Does Building Height Affect Resonance During Earthquakes?
- bob4000
- · Replies 1 ·
What is the magnitude of the net acceleration of the object
- tsoya
- · Replies 15 ·
Comparing baseball and climbing helmets using Newton's laws
- CityNoise
- · Replies 2 ·
Work Done on a Block Dropped onto a Spring
- mb85
- · Replies 4 ·
Internal energy and specific heat
- something_about
- · Replies 7 ·
How Do You Calculate Current in a Car's Rear Window Heater Circuit?
- dan greig
- · Replies 3 ·
Power Required to Charge 10.7 μF Capacitor to 0.513 J in 43s
- Punchlinegirl
- · Replies 3 ·
How Strong Is the Electric Field 1 Meter Away From a 100 Watt Light Bulb?
- dowjonez
- · Replies 1 ·
How do I calculate the final temperature when dropping ice into water?
- dan greig
- · Replies 2 ·
How Did Galileo's Lantern Experiment Attempt to Measure the Speed of Light?
- Flyfishinva
- · Replies 1 ·
Determine the magnitude and direction of the force problem
- wazzup
- · Replies 5 ·
Calculating Mu from a counterbalanced inclined plane
- Sadoian
- · Replies 1 ·
How go u find the force of gravity?
- SimpleHarmonicMotion
- · Replies 17 ·
Math Model for Archer Fish Spitting Water at Insect
- atomant
- · Replies 1 ·
Skydiving: No Sinking Stomach Feeling?
- dtmmfam
- · Replies 2 ·
Properties of waves switching mediums?
- waffle23
- · Replies 2 ·
How do I calculate heat of fusion from a heating curve graph?
- metalmagik
- · Replies 22 ·
Minimum Car Deceleration to Avoid Collision: Solving a Confusing Highway Problem
- MrRottenTreats
- · Replies 2 ·
Shooting a rifle at a target 40 m high and 1500 m away
- taffman123
- · Replies 43 ·
Really getting started precal, physics problem
- bennett
- · Replies 3 ·
Width of Pinhole Camera Aperture for 12cm Spot Light
- G01
- · Replies 2 ·
Finding Potential Energy of a Particle in a Region of Space
- Tony11235
- · Replies 2 ·
Soldier falling from helicopter: where does mass factor in?
- N_L_
- · Replies 2 ·
Jet car accelerating 600 kg with engine force and friction
- albaboi123
- · Replies 2 ·
What Is the Period of Oscillation for Two Masses Connected by a Spring?
- dowjonez
- · Replies 4 ·
Relationship between momentum,KE and internal energy
- something_about
- · Replies 1 ·
Projectile Motion of sniper shot
- Hadjiev
- · Replies 27 ·
How Does a Thin Glass Affect the Double Slit Interference Pattern?
- G01
- · Replies 1 ·
Diffraction grating wavelength: getting 1000nm instead of 500nm
- G01
- · Replies 3 ·
charged particle motion in magnetic and electric fields
- NutriGrainKiller
- · Replies 2 ·
Circuit that converts a triangular wave potential waveform
- mohlam12
- · Replies 1 ·
Adding up capacitors in series/parelle, the book got a slighty diff answer?
- mr_coffee
- · Replies 6 ·
Solving Laser Diffraction with Helium-Neon Laser
- G01
- · Replies 0 ·
Can Electric Forces Cancel with Opposite and Like Charges?
- wazzup
- · Replies 2 ·
Momentum Concepts: Clearing Up Frictionless Surfaces Questions
- Huskies213
- · Replies 3 ·
Light from Sun to Earth in seconds
- Zack
- · Replies 2 ·
Energy loss rate in damped pendulum and motion of forced rod
- Frobar
- · Replies 3 ·
How Do You Calculate Capacitance with Two Different Dielectrics?
- Brewer
- · Replies 1 ·
Why Does a Local Minimum in Potential Energy Indicate Higher Stability?
- Bhargav
- · Replies 1 ·
SUVAT Equations: AS Exam Prep for OCR Physics
- Killah
- · Replies 1 ·
Applications of Gauss's Law for a hydrogen atom
- Brewer
- · Replies 8 ·
Interference pattern with different wavelengths at each slit
- aehardin
- · Replies 1 ·
How do electric and magnetic fields affect the motion of an electron?
- brad sue
- · Replies 1 ·
Gymnast spinning through half a revolution with increasing angular velocity
- ussjt
- · Replies 1 ·
Expression for V as a function of radius?
- Mimi
- · Replies 8 ·
Minimum angular speed for a spinning ring to precess on a vertical rod
- Päällikkö
- · Replies 8 ·
Finding the components of this vector
- opticaltempest
- · Replies 1 ·
Force on object with position functions
- EbolaPox
- · Replies 6 ·
Do Opposite Rotating Discs Cancel Precessional Forces in Motorcycle Wheels?
- top dawg
- · Replies 2 ·
Converting 730 mmHg to pascals using the pressure formula
- xyz123
- · Replies 6 ·
Calculating E in a hemispherical shell using Coulomb's law
- Lisa...
- · Replies 2 ·
Focal length for projecting a 35 mm slide onto a 1.8×2.7 m screen
- yeyspaz
- · Replies 2 ·
Problem in mechanics involving a pulley
- Bhargav
- · Replies 6 ·
Angular and Linear Velocity Calculations
- Britannia
- · Replies 2 ·
Fun problem in calculating the electric field in the center of a charged ring
- Lisa...
- · Replies 5 ·
How Do You Calculate the Speed of a Block Launched by Compressed Springs?
- pureouchies4717
- · Replies 1 ·
How Does Squaring Final Velocity Impact Spring Problem Solutions?
- pureouchies4717
- · Replies 4 ·
Why Does the Magnetic Field at Point P Point Into the Page?
- student85
- · Replies 2 ·
Will a tightly stretched hammock break more easily than a sagging one?
- cutie05
- · Replies 1 ·
What Is the Trajectory of an Object Dropped from an Airplane?
- cutie05
- · Replies 1 ·
How Do You Calculate Original Speeds from Mass and Kinetic Energy Differences?
- don123
- · Replies 3 ·
Relative Velocities: Solving a Physics Problem
- Pseudo Statistic
- · Replies 3 ·
Crate dragged by rope at 15° above horizontal
- adp5025
- · Replies 6 ·
What is the change in internal energy of the gas?
- Polo12
- · Replies 5 ·
Solving Thermal Physics Problem: Specific Heat Calculation
- metalmagik
- · Replies 2 ·
Can a car move on a conveyor belt that matches its speed in opposite direction?
- Stussy
- · Replies 11 ·
How does KE get changed into internal energy?
- something_about
- · Replies 3 ·
Change in momentum of a ball bouncing off the floor
- Huskies213
- · Replies 2 ·
How Do You Solve This Newton's Law of Motion Problem?
- kfink85
- · Replies 3 ·
What is the Formula for Work?
- Eric1
- · Replies 3 ·
Accelerating an inclined plane
- syang9
- · Replies 1 ·
What affects resonant frequency of a vibrating string or wire?
- revan
- · Replies 5 ·