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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Find the displacement in a word problem
- Natko
- · Replies 1 ·
Solving two equations for velocity components with trial and error
- c0der
- · Replies 6 ·
Electric PE as a dipole changes its orientation in an electric field
- GodPlaysDice
- · Replies 1 ·
How Do You Calculate Impulse and Mass from a Non-Linear Force-Time Graph?
- Qube
- · Replies 3 ·
Finding Kinetic Energy from graph of Power
- mintsnapple
- · Replies 3 ·
Level of ice dropped in water after it melts
- djsourabh
- · Replies 21 ·
Why did the bear collapse the bench but I couldn't?
- piisexactly3
- · Replies 14 ·
Question involving capacitance.
- allenli
- · Replies 1 ·
What Are the Partials of a 16 ft Open Organ Pipe?
- Mozzalicious
- · Replies 3 ·
Word Problem with Kinematics Equation
- Natko
- · Replies 1 ·
Uncertainty in projectile range at 45°
- flyflyfly37
- · Replies 6 ·
What is the voltage across the capacitor?
- hvthvt
- · Replies 8 ·
Why does a barge being towed have vertical but not horizontal acceleration?
- checkmatechamp
- · Replies 2 ·
Difficulty understanding formula and area under v-t graph
- aboojoo
- · Replies 3 ·
Why does feedback cause hysteresis in a bistable multivibrator op amp circuit?
- theBEAST
- · Replies 2 ·
What is the Electric Current Produced by Solar Wind Protons Near Earth?
- Physicsrapper
- · Replies 2 ·
Why do balanced forces act on objects moving at constant velocity?
- Matt2411
- · Replies 17 ·
Finding Flux through a Disk due to Two Charges
- Saitama
- · Replies 17 ·
Hall Effect Lab (Germanium SC) Without Hall Effect Sensor
- Jenn.
- · Replies 1 ·
Increase in doping concentrations resulting in a decrease in mobility?
- theBEAST
- · Replies 3 ·
Find the angular speed of the cylinder
- PKay
- · Replies 2 ·
Solve Mass Suspension by Component Method
- yoyo16
- · Replies 12 ·
Calculating Car Mass with Constant Speed on a Bridge
- Lee80
- · Replies 5 ·
What are the units for angular velocity in this hydraulic piston mechanism?
- fluidmech
- · Replies 1 ·
Solving for current between 2 nodes
- grekin
- · Replies 3 ·
Basic DC Circuits - Kirchoff's Rules Lab questions
- jamesrb
- · Replies 3 ·
Principle of Superposition in Circuits
- zealeth
- · Replies 4 ·
Projectile Motion Question To Find Unknown Variable (Initial Velocity)
- salmayoussef
- · Replies 1 ·
Calculate Gauge Pressure for Fire Hose Height of 25m w/ Bernoulli's Law
- bigplanet401
- · Replies 3 ·
Electric Field - 1/8 of Sphere
- luiseduardo
- · Replies 13 ·
Finding maximal total current for a system
- Phys student
- · Replies 8 ·
A proton and an positron (identical to an electron, except positivel
- TwinCamGTS
- · Replies 3 ·
Why conservation of energy here vs momentum?
- oddjobmj
- · Replies 12 ·
What Is the Work Done by a Perfect Gas During Compression?
- Emspak
- · Replies 2 ·
Angular momentum using unit-vector notation
- maxalador
- · Replies 1 ·
Does Recoiling Electrons Have 0 Energy When Photon is Scattered 180°?
- MostlyHarmless
- · Replies 3 ·
Calculating Sound Pressure Level As Distance Changes
- lordterrin
- · Replies 7 ·
Boolean Algebra Question (Digital Logic Circuits)
- theBEAST
- · Replies 5 ·
Finding the Zero Point of Electric Potential Between Two Point Charges
- Peetah
- · Replies 6 ·
Incident Angle Limitation Derivation in Optical Fibre
- Eats Dirt
- · Replies 5 ·
Calculating Electron Trajectory in a Parallel Plate Conductor
- laurajean997
- · Replies 3 ·
How do I solve for the position vector using 2-D vector analysis?
- princeton_wu
- · Replies 6 ·
What is the thread's length pulled and the variation factor of velocity?
- Icaro Amorim
- · Replies 3 ·
Friction and Energy Conservation in Ball Colliding with Wall
- Saitama
- · Replies 17 ·
Calculating the distance to the moon based on given parameters.
- tgitatif
- · Replies 4 ·
Digital logic - Boolean algebra simplification problem
- theBEAST
- · Replies 1 ·
Electrostatics - finding the work done
- Saitama
- · Replies 46 ·
Angular Acceleration (and other torque/angular problems)
- Bluestribute
- · Replies 5 ·
Tension in a massive clothesline at the ends and lowest point
- Radarithm
- · Replies 6 ·
Magnetic Field from Current Segments
- theshonen8899
- · Replies 6 ·
Hibbeler 12-210: Solving Constraint Equations
- c0der
- · Replies 4 ·
Torque on a dipole in an electric field
- castrodisastro
- · Replies 1 ·
Why Does Turpentine Not Overflow When Heated in an Aluminum Cylinder?
- Feodalherren
- · Replies 3 ·
Electric flux through a hemisphere
- Loopas
- · Replies 6 ·
Calculating Temperature Increase From Hand Rubbing Work
- narutoish
- · Replies 5 ·
Calculating Thrust Needed for 200g Model Rocket Acceleration
- NG12
- · Replies 1 ·
Two distinguishable particles in a box.
- peripatein
- · Replies 1 ·
Explosion mass and magnitude physics
- sam_amy
- · Replies 4 ·
Mechanics question derivations terminal velocity (quadratic case)
- Genericcoder
- · Replies 3 ·
Collisions, Impulse, and Reference Frames
- sam_amy
- · Replies 2 ·
Phys Static Friction Ramp Problem
- PhysicsDerp
- · Replies 3 ·
T/F Loop of a Wire Entering and exiting a field
- blue_lilly
- · Replies 7 ·
What Minimum Coefficient of Static Friction Prevents Skidding on a Banked Curve?
- PhysicsDerp
- · Replies 1 ·
Capacitively coupled RLC circuits
- SadStudent
- · Replies 3 ·
What is the force experienced by a wire in a magnetic field?
- jimmyboykun
- · Replies 4 ·
Coefficient of Friction and Energy
- Blakeasd
- · Replies 9 ·
Finding the maximum velocity of an object rolling down an incline
- DNwein
- · Replies 8 ·
Charges on an equilateral triangle
- 4real4sure
- · Replies 7 ·
A rock is thrown with height, direction, and inital velocity provided
- mcKempt
- · Replies 6 ·
Electric field strength and particle deflection
- castrodisastro
- · Replies 3 ·
Tom and Jerry push on the 3 m diameter merry-go-round
- BrownBoi7
- · Replies 6 ·
What Is the Electric Field of a Coaxial Cable?
- Kot
- · Replies 37 ·
Bouncing Ball and the Principle of Equal and Opposite Forces
- MadScientist
- · Replies 2 ·
Thermodynamics / Q = mC⌂T equation in air application
- Phystudent91
- · Replies 2 ·
Calculating Horizontal Distance: Solving for Time and Velocity
- get_physical
- · Replies 24 ·
Finding voltage from the E field
- iScience
- · Replies 3 ·
Why do stars on the top left of the main sequence spend less time there?
- vanilla5085
- · Replies 1 ·
Fraction of ionized atoms in an intrinsic semiconductor
- theBEAST
- · Replies 1 ·
Finding the magnitude of the force and direction.
- jimmyboykun
- · Replies 2 ·
Measuring Speed of Sound with Resonance Tube Experiment
- utkarshakash
- · Replies 9 ·
Simple Circuits: Calculating Power in a Complex Circuit
- zaddyzad
- · Replies 2 ·
Circuits - Calculating resistance/conductance etc
- FaraDazed
- · Replies 3 ·
Draw the field for two concentric conducting spheres
- Indigo
- · Replies 2 ·
Electric Field Calculation given three point charges?
- P1nkButt3rflys
- · Replies 6 ·
Elevation of Sun above water surface
- Agarb
- · Replies 10 ·
Time for astronaut to reach the satellite
- Gebri Mishtaku
- · Replies 5 ·
How can uncertainties in measurement affect the estimation of g?
- ajcoelho
- · Replies 14 ·
Finding the distance traveled by a charged object
- afk94
- · Replies 21 ·
Work done and power for a ski-elevator with 60 skiers on a 25-degree slope
- Latsabb
- · Replies 1 ·
Satellite motion - determining planets' masses
- zachydj
- · Replies 5 ·
How does gravity and friction affect work on a slanted surface?
- Feyre
- · Replies 2 ·
Why does water take longer to heat up than milk?
- jagriti baul
- · Replies 1 ·
The direction of moments (no specific problem, just a confusion)
- slayerjacket
- · Replies 2 ·
Why Is Deceleration Expressed as a Positive Value in Physics Problems?
- TheShiny
- · Replies 3 ·
How Can Radioactive Decay and Distance Formulas Be Combined in Physics?
- piisexactly3
- · Replies 3 ·
Finding the time when two stones cross paths
- Ace.
- · Replies 4 ·
Facing problem in a questions on Vectors
- ritik.dutta3
- · Replies 12 ·
How Does Temperature Change When Gas Expands in an Insulated System?
- Dassinia
- · Replies 3 ·
Trajectories with Conserved Quantities
- tvolanth
- · Replies 17 ·
How Do You Describe the Path of an Object Given Its Coordinates Over Time?
- Stressed out
- · Replies 6 ·