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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Rise in temperature after a collision
- runningninja
- · Replies 3 ·
Relative Velocity: How Far Will the Boat Move Downstream Without Correction?
- AimlessWander
- · Replies 1 ·
Uniform circular motion particle problem
- EngnrMatt
- · Replies 3 ·
What is the maximum speed of the bob in a simple pendulum?
- Mangoes
- · Replies 1 ·
Deriving the banked road angle with no friction
- Brute
- · Replies 11 ·
What is the magnetic flux through the desk?
- monnapomona
- · Replies 2 ·
Momentum physics using vectors.
- logan 1234343
- · Replies 4 ·
Coulomb's Law involving triangle
- Benny851
- · Replies 5 ·
Finding V(out) of Operational Amplifier
- anol1258
- · Replies 1 ·
Quadratic functions: [Diagram Included] Football game scenario
- Swan
- · Replies 3 ·
Decoding 40-bit alien binary message from Alpha Centauri
- adamwest
- · Replies 3 ·
Colliding hydrogen atoms find velocity to raise to N=2
- Bill Headrick
- · Replies 3 ·
Thermo, heat transfer rate, power plant
- Confusedby
- · Replies 3 ·
Finding Terminal Velocity given Mass and magnitude
- Matt_h
- · Replies 7 ·
Δt and Limit of Δx/Δt as Δt -> 0 at t=3?
- ACSC
- · Replies 9 ·
How Does Physics Ensure a Safe Water Skier Stunt Over a Shark Tank?
- Bostonpancake0
- · Replies 3 ·
F=BIL Relationship with coils Explanation?
- Kognito
- · Replies 1 ·
Magnetic Fields from Two Infinite Sheets of Current Problem
- Gee Wiz
- · Replies 12 ·
Electric potential at the center of a insulating sphere
- SpringWater
- · Replies 10 ·
Issue with an aspect of moments and reactionary force
- Dongorgon
- · Replies 1 ·
Electrostatics problem with pith balls hung using threads
- Sunil Simha
- · Replies 5 ·
Voltage Across Resistors In Parallel
- Bashyboy
- · Replies 3 ·
Find the distance at which the peacock will catch the snake
- gnrlies00
- · Replies 10 ·
Motion - Overtaking Vehicles question
- Dreaam
- · Replies 1 ·
Finding mass of Moon with Pendulum Bob
- Carterr
- · Replies 6 ·
Two Batteries In Series-Total EMF and Internal Resistance
- Bashyboy
- · Replies 4 ·
What does it mean if something is rated as 40W?
- CivilSigma
- · Replies 3 ·
How do you draw a net force graph for constant velocity?
- revults
- · Replies 2 ·
Understanding head and NPSH in pumps
- theBEAST
- · Replies 3 ·
A flat, square surface with side length
- Mdhiggenz
- · Replies 5 ·
A bushranger hanging out of a hotel window
- PG222
- · Replies 1 ·
Water Rocket Parachute Deployment Ideas
- AlaskanPow
- · Replies 1 ·
Photon with negative energy, Compton Scattering
- zellwwf
- · Replies 2 ·
Also, what is your question? What do you want to know?
- stephanieC
- · Replies 1 ·
Max Wavelength of Sodium Ionization
- CFXMSC
- · Replies 3 ·
Two battery hooked up in series, energy conversion
- Helmholtz
- · Replies 3 ·
How many electrons would transfer 1 J of energy to a screen?
- CivilSigma
- · Replies 2 ·
Rotational motion inelastic collision
- kirafreedom
- · Replies 3 ·
RLC Circuit Second Order Differential Equation
- SALAAH_BEDDIAF
- · Replies 7 ·
How to find displacement in vector diagram?
- karis scherer
- · Replies 2 ·
Electromagnetic waves, doppler effect
- lovelyrwwr
- · Replies 2 ·
Incomplete Momentum bar chart for collision
- chicagobears34
- · Replies 2 ·
Confusion Regarding Most Probable Kinetic Energy of an Ideal gas
- Sunil Simha
- · Replies 1 ·
Magnetic field at (z) axis of square loop
- Siune
- · Replies 1 ·
Why Does the Painter Only Need to Pull Down with 400N to Accelerate Upwards?
- ZanyCat
- · Replies 3 ·
Problem related to Newton's Laws
- RuthlessTB
- · Replies 3 ·
How to determine if capacitors are in series or parallel
- devilaudy
- · Replies 1 ·
Understanding centrifugal pumps
- theBEAST
- · Replies 1 ·
Young modulus (deriving formula)
- coconut62
- · Replies 7 ·
What is the moment of inertia of the yo-yo?
- kirafreedom
- · Replies 14 ·
How Do I Solve This Inelastic Collision Equation?
- karis scherer
- · Replies 1 ·
Tension in massless string connecting masses on incline and horizontal surface
- oneshot
- · Replies 1 ·
Interpreting and converting an acceleration-time graph
- ACSC
- · Replies 3 ·
Force distribution on stacked 45° planks with wedges
- DynV
- · Replies 12 ·
Continuity and measuring resistance.
- pyroknife
- · Replies 1 ·
Forces, marble on side of spinning bowl
- bang
- · Replies 4 ·
Effects of Dielectric on capacitors
- Donnyboy
- · Replies 9 ·
Slip condition for a pulled cylinder
- Helmholtz
- · Replies 3 ·
Electric Flux Through a Face of a Cube
- Helmholtz
- · Replies 1 ·
Circular conductor with changing T effecting power and magnetic field
- Helmholtz
- · Replies 2 ·
Conceptual question on floating
- kevinnn
- · Replies 23 ·
Why Does the Shuttle-Ball Experiment Graph Show Only Straight Lines?
- superconduct
- · Replies 8 ·
How is Frequency related to Energy in a Wine Glass?
- 06mangro
- · Replies 4 ·
Why do all wine glass have four nodes (4th harmonic)?
- 06mangro
- · Replies 6 ·
Are decay rate R and activity A the same in radioactive decay equations?
- FaraDazed
- · Replies 5 ·
Relative Velocity with plane and wind
- Woolyabyss
- · Replies 4 ·
Moving a loop of wire away from a current carrying wire
- warfreak131
- · Replies 3 ·
Three Charges Problem: Sketching the Motion of Charges Released from Rest
- superconduct
- · Replies 1 ·
How thick is the atmosphere in the rest frame of a high-energy muon?
- nn542
- · Replies 1 ·
Projectile motion of car hitting the ground
- Abdeln
- · Replies 19 ·
Calculating Emission Frequency for F-centre in a 3D Well | λ = 6.74x10^49 Hz
- Roodles01
- · Replies 8 ·
Simple parallel circuit question
- jgv115
- · Replies 5 ·
A Penny Falling of a Staionary/Fixed Position Sphere
- . Arctic.
- · Replies 4 ·
Why Does the Exponential Calculation in My RC Circuit Equation Return 1?
- physics=world
- · Replies 4 ·
How Is the Moment Calculated for a Tensioned Cable on a Telephone Pole?
- wilson11
- · Replies 9 ·
Bungee Jumping Spring Constat/Work-Energy
- bang
- · Replies 9 ·
Discrepancy in force of friction in a problem
- fredrogers3
- · Replies 17 ·
Spring Constants, Work, and Force
- NyghtLyght
- · Replies 3 ·
How Do Electrostatic Speakers Use Voltage to Create Pressure?
- Number2Pencil
- · Replies 4 ·
Lagrangian and lagrange equations of a system of two masses
- Dixanadu
- · Replies 10 ·
Creating Circuits with equivalent resistances
- ragsz
- · Replies 8 ·
What is the force of contact between the two blocks?
- boupidou
- · Replies 1 ·
Calculating Initial Acceleration
- kencamarador
- · Replies 2 ·
Rotational motion problem, half solved, can't figure out other half.
- Vagabond7
- · Replies 1 ·
Work on a plane with angles forces
- Zsmitty3
- · Replies 7 ·
How do I calculate arc length using the arc length equation?
- eXmag
- · Replies 5 ·
Question Involving Fluid Speed.
- kevinnn
- · Replies 2 ·
Solving Torque on a Pulley: 0.5Nm, 4kg Block, 12cm Diameter
- cjavier
- · Replies 1 ·
Physics Coursework: Oblique Collisions. Tips needed
- Ajrt
- · Replies 1 ·
Thermal Expansion-how much has the ocean expanded
- endurance12
- · Replies 3 ·
Using energy concepts and possibly work bunjee jump problem
- SChiO
- · Replies 2 ·
Energy needed to evaporate all Earth's oceans
- Numeriprimi
- · Replies 3 ·
Double Pendulum (One pendulum hanging from the other)
- CAF123
- · Replies 37 ·
Essay on what materials are best at shielding electromagnetic pulses
- ArenasField
- · Replies 1 ·
How High Must a Rod Fall to Hit a Table Elastically at Both Ends?
- sergiokapone
- · Replies 24 ·
Centre-of-mass Energy of Colliding protons
- joakley
- · Replies 1 ·
Energy dissipated in RC circuits
- meg29
- · Replies 2 ·
Distinguishing a binary star system from two unrelated stars
- shyguy79
- · Replies 1 ·
Calculating Activity of proton beam
- wormhole228
- · Replies 1 ·
Finding time constant and charge equation for parallel RC with switch
- VHAHAHA
- · Replies 2 ·