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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Astronomy - Determine the sum of the stellar masses
- tosv
- · Replies 3 ·
Curvilinear (n/t) motion (find magnitude of acceleration)
- smruthi92
- · Replies 1 ·
How Do You Solve Simultaneous Equations for Revision?
- j-lee00
- · Replies 6 ·
Carnot engine ( Thermodynamics )
- Zamze
- · Replies 2 ·
How do you deduce P and L from a graph of ln(V) against Q for V = Pe^(-LQ)?
- georgiemuc
- · Replies 3 ·
Period of Small Oscillations for Rigid Body Pendulum
- willisverynic
- · Replies 1 ·
Calculating engine torque/horse power from datalogs
- bigwig
- · Replies 2 ·
How to calculate battery discharge time
- thejoshuaa
- · Replies 15 ·
Standing waves and frequency
- bigsaucy
- · Replies 2 ·
Force exerted by aircraft dive brakes- where did I go wrong?
- telebender
- · Replies 4 ·
Relative Speed and Size of Two Spaceships Traveling in Opposite Directions
- multiix
- · Replies 2 ·
Calculating Cooling Rate for a Black Body in a Vacuum with a Radiation Screen
- brainslush
- · Replies 2 ·
Multipath dispersion in fibre optic cable
- MalachiK
- · Replies 1 ·
Question on Work: Understanding Force, Mass, and Displacement
- MRGE
- · Replies 4 ·
Conceptual Question Regarding Fluids
- Deaddman
- · Replies 2 ·
Ball on a string with initial velocity
- joe_coolish
- · Replies 5 ·
Entropy Change Q: 10 Ohm Resistor @ 300K, 5A for 2 Mins
- bon
- · Replies 1 ·
Significant figures in multiplication and when question data determines precision
- studenta
- · Replies 4 ·
Classical Electron Magnetic Moment
- greeziak
- · Replies 1 ·
Angular acceleration of a merry-go-round - no time given?
- murielglass
- · Replies 3 ·
Hydrostatics: solving for density.
- Lavabug
- · Replies 1 ·
A simple capacitors related question
- FermatPell
- · Replies 1 ·
Bragg Scattering Angle for 63eV Electrons on Ni Crystal
- curto
- · Replies 8 ·
Change in momentum problem. BASIC, IMPORTANT, but i don not know help?
- teggenspiller
- · Replies 2 ·
Why does total energy depend on compression speed in a collapsing magnetic loop?
- EEWannabe
- · Replies 3 ·
How Does a Space-Cruiser's Relative Speed Demonstrate Relativity Principles?
- Gregg
- · Replies 7 ·
How Do You Calculate the Center of Mass for a Non-Uniform Object?
- crowajordan
- · Replies 3 ·
Speed of sound minimum distance problem
- bigsaucy
- · Replies 3 ·
Mass, friction and equilibrium in a system
- furor celtica
- · Replies 3 ·
What is the average acceleration of the Nissan Leaf in m/s/s?
- connphysics
- · Replies 10 ·
Steel Ball Collision: Solving for Height and Understanding Momentum
- bulldog23
- · Replies 11 ·
How can I build the most efficient mouse trap car to travel over 175 feet?
- Brandonian
- · Replies 1 ·
Why is CO2 a bigger concern for global climate change?
- snoopenes
- · Replies 4 ·
Which statements about projectile motion are true?
- ali2coolwitu
- · Replies 6 ·
Photoelectric Effect: Photoelectron Kinetic Energy vs. Frequency Graph
- 5hassay
- · Replies 2 ·
Time period of oscillation of a pole floating
- zorro
- · Replies 9 ·
Finding semimajor axis and eccentricity from energy and angular momentum
- Physics Help!
- · Replies 1 ·
Power Dissipation in Resistive Circuit Conceptual Question
- sushii9
- · Replies 1 ·
How Fast Does Sound Travel Through Water and Granite?
- bigsaucy
- · Replies 1 ·
Finding I2 and Vab in a circuit
- PainterGuy
- · Replies 2 ·
Calculating Mass on a Wave Pulse Along a Wire
- 996gt2
- · Replies 9 ·
Calculating Velocity of a Falling Water Drop Using Newton's Second Law
- Idoubt
- · Replies 1 ·
Deriving the damped circuit equation and energy dissipated through a resistor.
- LogicX
- · Replies 1 ·
Understanding Magnetic Field Direction and Force Using Right Hand Rule
- planauts
- · Replies 6 ·
Rotaional kinetic energy? how find
- gl7
- · Replies 2 ·
How Does Double-Paned Glass Affect Heat Transfer?
- {~}
- · Replies 1 ·
Not-So-Parallel Plate Capacitor
- Enemy0fGods
- · Replies 6 ·
Physics problem involving sum of torques
- hholzer
- · Replies 2 ·
Projectile Recoil: Find Gun Horizontal Speed
- verden
- · Replies 3 ·
Physics of man breaking arm falling into pool
- hexum
- · Replies 1 ·
Find K/Ug: Solving a Constant Ratio of Kinetic and Potential Energy
- Physics Help!
- · Replies 1 ·
Calculating Power Input for Wind Turbine Shaft with Continuous Force
- Tim Gard
- · Replies 4 ·
Are two waves in phase if their crests match up?
- suzycue303
- · Replies 3 ·
Centripetal force and tension in a string
- saw176
- · Replies 10 ·
Time for a cylindrical beam to fall from upright in circular motion
- mcovalt
- · Replies 3 ·
How to calculate work required to move an object
- ACasey
- · Replies 11 ·
What is the Meaning of the Symbol G in Specific Heat Capacity Measurements?
- Peter G.
- · Replies 4 ·
Solve Thermal Radiation HW: Find Temperature Inside Insulating Case
- bon
- · Replies 1 ·
Calculating Halley's Comet Speed at Maximum Distance
- physicsgurl12
- · Replies 29 ·
Wind Tunnel Creation +more then 3 speeds
- Airfoil_111
- · Replies 1 ·
Finding the Pivot Point for a Seesaw Equilibrium
- physicsgurl12
- · Replies 3 ·
How Does Electric Current Flow Through a Resistor in a Parallel Battery Circuit?
- Lindsayyyy
- · Replies 3 ·
Translational speed of a bucket
- physicsgurl12
- · Replies 2 ·
Ballistic or Trajectory: Which Determines Ball Speed Better?
- lobidosify
- · Replies 1 ·
How to Calculate Current in a Parallel RLC Circuit at 1kHz?
- hicks
- · Replies 3 ·
Minimal Launch Velocity needed
- UTGirl24
- · Replies 2 ·
Car braking and skidding on a 5° hill with friction
- hendrix7
- · Replies 9 ·
What are (a) the current density and (b) the electron drift speed?
- Netsurfer733
- · Replies 10 ·
How Does Time Dilation Symmetry Work in a Rocket Traveling at 0.8c?
- kapitan90
- · Replies 2 ·
Constant Resistance in Physics Problem
- p.mather
- · Replies 24 ·
What is the final velocity of two colliding masses?
- teggenspiller
- · Replies 7 ·
Which unit equals one joule of electrical power
- jfio93
- · Replies 5 ·
Check My Physics Homework: Ball Thrown Upward
- Chris-P
- · Replies 3 ·
Collision of Two Trucks: Calculate Combined Velocity After Inelastic Collision
- teggenspiller
- · Replies 3 ·
How Do Trig Ratios Solve Equilibrium Problems in Physics?
- planauts
- · Replies 4 ·
Calculating Voltage, Current, and Power in High Voltage Electrical Systems
- ishterz
- · Replies 2 ·
Could a person survive jumping 69m from a dam into water?
- StealthSilver
- · Replies 8 ·
Calculate Arrow Velocity from Stored Energy
- KingBigness
- · Replies 4 ·
What Causes Cords to Break Under Tension?
- gurparwaan
- · Replies 5 ·
Effect of a Magnetic Field on a charge
- noops15
- · Replies 9 ·
Constant-volume gas thermometer calibration
- jbrookins3
- · Replies 5 ·
Max Boat Speed w/ 2 Engines: Proportional to v^2 Resistive Force
- Myopical
- · Replies 3 ·
What is the Escape Velocity of a Satellite in Orbit?
- mike91
- · Replies 2 ·
3 Multiple Choice - Circuits/Waves
- planauts
- · Replies 2 ·
RLC circuit with very large Resistance
- gonzalesdp
- · Replies 3 ·
Torque of board over 2 shoulders
- verden
- · Replies 7 ·
Water pressure in tapered pipe with vertical manometers
- RobL14
- · Replies 1 ·
Box descending on rope wrapped around cylinder and pulley
- paodealho
- · Replies 1 ·
How Do You Calculate Image Position with Two Converging Lenses?
- Kay Oss
- · Replies 1 ·
I seriously this is a different language to me- Conservation of Momentum
- teggenspiller
- · Replies 7 ·
Fluid Flow: Water Pipe with Vertical Pipes
- JohanM
- · Replies 4 ·
Differential Equation to Position
- schaefera
- · Replies 3 ·
Satellite Orbit around the earth, speed?
- neoncrazy101
- · Replies 4 ·
Rotation Problem: determine the number of revolutions
- cehen2
- · Replies 3 ·
Finding item mass and container mass from Millikan experiment data
- ConfusedKid3
- · Replies 1 ·
Simple but difficult for me. momentum, collsion
- teggenspiller
- · Replies 1 ·
Minimum Velocity of Nuclei in Nuclear Fusion
- akmphy
- · Replies 1 ·
Find the Current passing through the Resistor.
- Lawlbear
- · Replies 3 ·
Electric field due to point charge
- whaler_pr
- · Replies 1 ·
How Do You Calculate the Equation of an Hourglass Curve?
- ssj5harsh
- · Replies 3 ·