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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Solving Torque & Tension on Hoop w/ Mass & Radius
- adamc637
- · Replies 6 ·
Prove R^n is Symmetric for All Positive Integers n
- physicsuser
- · Replies 3 ·
To find the velocity of the particle
- Clari
- · Replies 2 ·
Equilibrium constant for A(g) → 2B(g) + C(g) and Ksp for CaSO₄ and MgF₂
- ChemRookie
- · Replies 2 ·
How to Solve Physics Problems Involving Collisions and Inclines?
- cde42003
- · Replies 2 ·
How Does Wave Frequency Affect Speed in the Same Medium?
- chibi_lenne
- · Replies 3 ·
How Does Ultraviolet Spectroscopy Enhance Molecular Analysis?
- Ruth
- · Replies 2 ·
Time of boat completing round trip
- Kamataat
- · Replies 9 ·
Bullet passing through one block and embedding in another
- krypto
- · Replies 2 ·
Limit of 1/x + 1/x^2 when x -> 3 from the left
- gillgill
- · Replies 3 ·
What is the Solution to the Equation with 8 and 1?
- espania
- · Replies 2 ·
Can Vector AB Be Parallel to the Cross Product of Direction Vectors L1 and L2?
- deanchhsw
- · Replies 2 ·
Speed to Doppler shift red light to green light wavelength
- espania
- · Replies 12 ·
Differential equation for a electric circuit
- bulbanos
- · Replies 2 ·
Can someone explain the math behind snooker ball pocketing and power transfer?
- chickenguy
- · Replies 7 ·
Angle of Turn from Kampala to Singapore: Solving with Law of Cosines
- mugzieee
- · Replies 5 ·
Thermistors - Voltage across a resistor compared with temperature
- Noj
- · Replies 6 ·
Solve Physics Problem: Acceleration of Hoop Down Ramp
- RhysticGenesis
- · Replies 2 ·
What does ticker tape show about non-uniform motion?
- Karma
- · Replies 2 ·
Solving Algebra Problem: [3+ x5/3y]/x
- Imparcticle
- · Replies 5 ·
Why does the voltage across a wire with current in it equal zero?
- Caboose23
- · Replies 2 ·
Curve where radial vector intersects tangent line at 135°
- yoyo
- · Replies 2 ·
Solving Math Mistake: What's Wrong with \frac{m}{M+m}?
- UrbanXrisis
- · Replies 6 ·
Calculating Water Velocity in a Syringe: Solving the Force and Pressure Equation
- liberalgeek
- · Replies 2 ·
Forces of 2 dimensional motion w/friction
- Kenny_Mack
- · Replies 2 ·
Solving for Angle of Inclined Plane: 2.3kg Block Sliding Down Frictionless Plane
- jemck
- · Replies 2 ·
Finding scholarship fund present value with geometric series
- aisha
- · Replies 8 ·
Buoyant force, impact force, and momentum in collisions
- vitaly
- · Replies 2 ·
How Does N-Slit Interference Affect Minima Spacing?
- shaiqbashir
- · Replies 2 ·
Help with two trigonometric identity proofs
- seiferseph
- · Replies 8 ·
Finding acceleration, mass, force, and work for a sliding object
- mushhhy
- · Replies 4 ·
Balancing Redox Equations: NO3- + Ag in Acidic Solution
- vsage
- · Replies 2 ·
Period of proton orbit in 0.758T magnetic field
- ballahboy
- · Replies 4 ·
Understanding Pendulum Work and Energy: A Scientist's Perspective
- coile3
- · Replies 6 ·
Elastic collision of billiard balls with opposite velocities
- Jayhawk1
- · Replies 5 ·
Penetration of Bullet in Concrete Wall: Physicsal Analysis
- reggie
- · Replies 2 ·
Normal frequencies and modes for two discs on a rod
- Feynmanfan
- · Replies 3 ·
Calculating Enthalpy Change for Ca and CaO Reactions
- erik05
- · Replies 2 ·
What is the Velocity of Gliders A and B in an Inelastic Collision?
- KU_Mustang
- · Replies 3 ·
Water in thermistor circuit carrying unwanted current
- Noj
- · Replies 8 ·
Help with three test correction physics problems
- Imparcticle
- · Replies 3 ·
Pressure at center of earth (or any planet)
- Bill Wells
- · Replies 2 ·
Is the ideal gas equation experimental or definitional?
- Steph
- · Replies 2 ·
How much power is transmitted through a material slab hit by a 10GHz plane wave?
- david90
- · Replies 2 ·
Calculate Kinetic Energy Decrease: Rotational Energy
- UrbanXrisis
- · Replies 2 ·
Magnetic field at the center of the loop
- Heart
- · Replies 4 ·
Calculating Electrostatic Force of 3 Point Charges
- Soaring Crane
- · Replies 2 ·
How Does Ampere's Law Apply to a Solid Wire with Non-Uniform Current Density?
- robert25pl
- · Replies 2 ·
Solving an Integral Involving Conversion to Cosine
- mugzieee
- · Replies 13 ·
Centripetal Force and proportionality
- MathHelp
- · Replies 2 ·
Is Doppler Effect Infinite when Wave Velocity Equals Emitter Velocity?
- Raparicio
- · Replies 5 ·
What is the pattern in this summation expression?
- irony of truth
- · Replies 2 ·
Work out the tension in the rope
- Gughanath
- · Replies 3 ·
Physics Coursework: Sensors, Photodiodes and Graphs
- Padford
- · Replies 32 ·
Research:physics behind car crumple zones
- Harold
- · Replies 2 ·
Rate of electric field change in capacitor with changing voltage
- airkapp
- · Replies 2 ·
How do I find all 6 solutions to sin(3x) = 1/2?
- seiferseph
- · Replies 15 ·
What is the Correct Speed of the Heavier Fragment in a Weather Rocket Explosion?
- physicsCU
- · Replies 3 ·
Average Induced EMF in Loop of Wire Rotated in B-Field
- airkapp
- · Replies 2 ·
Finding displacement field D for exponential cylindrical charge distribution
- robert25pl
- · Replies 10 ·
How Do You Calculate the Center of Mass for a Three-Mass System?
- gflores
- · Replies 2 ·
Medians extended to X and Y: proving X, A, Y are collinear
- Tanya Back
- · Replies 2 ·
Is the Energy Output from Different Alcohols Proportional to Their RMM?
- sueanne
- · Replies 4 ·
Is the story of Noah's flood fact or fiction?
- gabby989062
- · Replies 44 ·
How to Convert Units in the Equation \(\alpha = a/d\)?
- tony873004
- · Replies 4 ·
Momentum Conservation in Elastic Collisions
- ShazK
- · Replies 7 ·
Polynomial class addition operator with rational coefficients
- Math Is Hard
- · Replies 6 ·
Rotational Inertia of a hollow sphere(having trouble)
- Vasco
- · Replies 6 ·
How Do You Derive the Volume Formula for a Cone with Variable Radius and Height?
- chris777
- · Replies 3 ·
Ball dropped in moving airplane and accelerating forces
- DevilTemptations
- · Replies 3 ·
Car and truck collision with equal masses at intersection
- tandoorichicken
- · Replies 2 ·
Forklift stopping distance and tipping condition analysis
- nineeyes
- · Replies 2 ·
Finding period and amplitude of a damped pendulum solution
- juef
- · Replies 3 ·
Equation for the tension in the string
- Gughanath
- · Replies 3 ·
How Does a 90-Degree Rotation Affect the Tangential Speed of a Rod's Free End?
- futron
- · Replies 6 ·
Can This Logic Proof for ~(~E > A) Be Resolved?
- NileQueen
- · Replies 3 ·
Velocity relation of a particle
- Wiz
- · Replies 16 ·
Show that the derivative of the step function equals the Dirac delta function
- Reshma
- · Replies 4 ·
Differential equation with rate of change inversely proportional to square root
- sebasalekhine7
- · Replies 12 ·
What is the Angular Speed of a Pulsar?
- elemnt55
- · Replies 5 ·
Single Slit Diffraction Pattern
- mohdfasieh
- · Replies 2 ·
What Is True About Sinusoidal Electromagnetic Waves?
- Annie1011
- · Replies 3 ·
How does potential energy affect the motion of a particle?
- Azytzeen
- · Replies 3 ·
Energy Required to Lift a Heavy Box
- ProBasket
- · Replies 4 ·
Calculating Absolute Potential at the Center of a Square with +Q Charges
- Soaring Crane
- · Replies 2 ·
Need working checked for limits question
- shan
- · Replies 8 ·
The Acceleration of a Block on an Incline Plane: Formula and Minimum Ratio
- tony873004
- · Replies 6 ·
Solving for Translational Speed of a Bowling Ball on a Vertical Rise
- kpangrace
- · Replies 3 ·
What Is the Minimum Energy of a Photon in a Compton Collision with a Proton?
- vsage
- · Replies 6 ·
Harmonic Motion Problems: Solving for Maximum Speed and Velocity after Collision
- ness9660
- · Replies 2 ·
Simple De Broglie Wavelength Problem
- vsage
- · Replies 2 ·
What is the depth of the bottom end of a floating metal tube in pure water?
- elemnt55
- · Replies 2 ·
How Does the Wrecking Ball's Weight Affect the Boom's Stability?
- smith5029
- · Replies 3 ·
Calculate Net Work on 391kg Piano Sliding 3.7m Down 27° Incline
- Fanman22
- · Replies 3 ·
Calculating Forces in a Rotational System with a Wrecking Ball and Boom
- smith5029
- · Replies 2 ·
Equivalent resistance of 7-resistor circuit with mixed series and parallel
- Gonger
- · Replies 3 ·
Why does the scale read less when the elevator accelerates downward?
- SwAnK
- · Replies 3 ·
Solve Relative Motion: Boat, Wood + River Flow
- Kamataat
- · Replies 2 ·
Finding the determinent or the identity of the matrix?
- carltonblues
- · Replies 7 ·