Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Find the electric field magnitude in each region.
- Joa Boaz
- · Replies 1 ·
How Do You Calculate Maximum Height and Range of a Projectile?
- ArmadylGS
- · Replies 1 ·
Solve F=ma Zip Line Problem: Angles & Sag
- Jae
- · Replies 7 ·
Is this mechanics question possible to solve?
- x86
- · Replies 7 ·
What Happens When You Throw a Ball on Mars?
- wonchristy
- · Replies 9 ·
High Diver: Calculating Initial and Final Velocities
- laurenbell
- · Replies 1 ·
Two positive point charges q1 and q2 are separated by a distance d.
- Joa Boaz
- · Replies 6 ·
The electric potential is defined by the function v(x,y,z) =
- Joa Boaz
- · Replies 1 ·
Electric Fields: Thin wire in conducting cylinder
- wannabee_engi
- · Replies 3 ·
Calculating total mechanical energy of block on spring
- blintaro
- · Replies 8 ·
Frictional force problem(box sliding down between two walls)
- Kararr
- · Replies 4 ·
Potential energy turned into kinetic
- cragar
- · Replies 3 ·
AC circuit - voltage drop and resonance
- Rugile
- · Replies 20 ·
Plane in a vertical loop and gravity
- Karol
- · Replies 2 ·
Two Blocks and a pulley (Equation derivation)
- Jayy962
- · Replies 3 ·
What is the weight of the sled being pulled up a ramp by a girl?
- Statik
- · Replies 1 ·
Two Blocks attached by a string, on an incline
- stripedcat
- · Replies 5 ·
What Is the Maximum Force on the Upper Block to Prevent Slipping?
- Born
- · Replies 2 ·
Determining Angle with Vector Components
- srg
- · Replies 3 ·
Question on circular motion involving astronauts and g force?
- Tangeton
- · Replies 3 ·
Pressure, temp, volume change of water vapor, and steam table clarity
- wmgabe74
- · Replies 5 ·
Rocket accelerating up an incline
- redworld33
- · Replies 7 ·
Finding kinetic energy of electron with 40 GeV/c momentum
- Mangoes
- · Replies 7 ·
Find the velocity of the electrons at the end of the plates
- oldspice1212
- · Replies 9 ·
Thermodynamics of heating water in a cylinder with piston
- yy205001
- · Replies 6 ·
Vector Question -- |A+B| is 78 times greater than |A-B|
- smakhtar
- · Replies 6 ·
Projectile question -- ball rolling on a chair
- AdoobII
- · Replies 8 ·
How is the expression for V(x) plotted using singularity functions?
- princejan7
- · Replies 3 ·
What is the Dilatation of a Cube Under Extreme Pressure?
- Nexttime35
- · Replies 9 ·
How Do Frictional Forces Affect a Skier's Acceleration?
- higgsbosom
- · Replies 4 ·
Maximum Speed to Avoid Barrier with Delayed Braking
- CyberSyringe
- · Replies 5 ·
Solving for Takeoff Distance: Airplanes A & B
- penguins
- · Replies 4 ·
Projectile Motion of a Baseball at Bat
- brita
- · Replies 6 ·
What Is the Correct Mass of Block 2 in a Frictionless System?
- bradsmith
- · Replies 9 ·
Why Does 1/2mγv^2 Fail to Accurately Calculate Relativistic Kinetic Energy?
- Ascendant78
- · Replies 5 ·
D/C Circuit with one current and voltage source
- Mangoes
- · Replies 6 ·
Will Your Friend Make the Jump? Analyzing Parabolic Motion in a Motorcycle Stunt
- thegreengineer
- · Replies 2 ·
Classical Mechanics - Tranformations
- teme92
- · Replies 13 ·
Find the critical rotation rate
- Milotoadfoot
- · Replies 7 ·
Calculating blood pressure increase with Poiseuille's equation
- FenderFan54
- · Replies 1 ·
What happens to the force acting on the elbow with a straight bicep?
- fishes
- · Replies 10 ·
Moments -- Rods & weights welded together & hanging at an angle
- nazz
- · Replies 3 ·
What is the Equation for Finding Vector Magnitude in 2D and 3D?
- needsphysics
- · Replies 4 ·
Launch Angle for Maximum Field Goal Clearance
- RNelli22
- · Replies 2 ·
Direction of normal acceleration problems
- yugeci
- · Replies 5 ·
How Does a Pump Calculate Work When Transitioning from Water to Air Underwater?
- kihel
- · Replies 2 ·
Relating Kinetic Energies and Masses of Two Objects
- B3NR4Y
- · Replies 5 ·
Finding velocity with friction?
- dba80
- · Replies 5 ·
Why Is Power Factor Not Included in Series LCR Circuit Calculations?
- Prashasti
- · Replies 3 ·
Highest possible efficiency of an engine
- Effect
- · Replies 2 ·
Atwood's Machine Lab Help (proportional error)
- atir.besho
- · Replies 1 ·
How Do You Calculate the Initial Velocity of a Juggling Ball?
- c.kal
- · Replies 3 ·
Kinematic Equations Used to Find A.) Average Speed & B.)Acceleration
- lethalfresa
- · Replies 1 ·
Analyzing Forces in the Rotor Ride at the State Fair
- Milotoadfoot
- · Replies 2 ·
Finding the E due to a non-uniform surface charge distribution in 3D
- Shostakovich
- · Replies 3 ·
Special Relativity - Angle Transformations
- Rubber Ducky
- · Replies 1 ·
What Is the Wind Velocity Affecting the Light Plane's Course?
- dfcitykid
- · Replies 5 ·
Calculating k in Hooke's Law: Understanding Archery and Projectile Motion
- aatgomez
- · Replies 9 ·
What is the relationship between electric potential and electric field?
- mathguy831
- · Replies 5 ·
Speed of the air of a hovering helicopter
- nowayn
- · Replies 1 ·
How Is Average Acceleration Calculated for a Point on the Equator Over Time?
- tayyabah1415
- · Replies 4 ·
How to graph velocity where there is a change in acceleration
- Kerrie yu
- · Replies 11 ·
Extrapolating the Quality factor for decay in amplitudes
- PhysicsKid0123
- · Replies 3 ·
Statics/Equilibrium Physics question-- Two weights and a single pulley
- zubb999
- · Replies 3 ·
Solving Lorentz Transform problem using only length contraction
- Tubefox
- · Replies 8 ·
Smartphone and the type of wave?
- Betadine
- · Replies 6 ·
Distance shifted by the centre of pattern
- desmond iking
- · Replies 18 ·
Coefficient of static friction experiment
- physicshelpppp
- · Replies 6 ·
Can You Calculate Individual Energy Absorption in a Partially Plastic Collision?
- Karol
- · Replies 9 ·
What is the angular velocity that the rod will rotate
- MMS
- · Replies 27 ·
How Does Balloon Motion Impact Stone's Fall Time?
- kerol9904
- · Replies 4 ·
Normal derivative of vector potential discontinuity
- physiks
- · Replies 11 ·
What is the Average Velocity of a Ship and the Velocity of the River Current?
- kerol9904
- · Replies 4 ·
Optimized Solving Net Displacement Problem w/ Sailboat Tacking
- kaylaannreilly
- · Replies 4 ·
Work as Change in Kinetic Energy vs Change in PE
- Hereformore
- · Replies 3 ·
Find the charge density inside a solid insulating sphere?
- hockey
- · Replies 2 ·
Centripetal Acceleration along a curve
- rexorsist
- · Replies 6 ·
Tension between two sliding blocks
- END
- · Replies 1 ·
Mechanics: Acceleration in Pulley System
- END
- · Replies 1 ·
Finding Initial Speed Given Range
- reigner617
- · Replies 6 ·
What Does an Acceleration vs Time Graph Reveal About Motion?
- SunakoNakahara
- · Replies 2 ·
Show that the Time-Avg Power is proportional to 1+cos(delta)
- EnlightenedOne
- · Replies 11 ·
How to find angle of launcher in order to hit target?
- LexRunner
- · Replies 4 ·
Decreasing the mass of a particle going through a Velocity Selector
- Hereformore
- · Replies 1 ·
Find the electric field at a point outside of an insulating sphere?
- hockey
- · Replies 1 ·
Hydrostatic force on submerged rectangle
- Urmi Roy
- · Replies 17 ·
How can I find the electric field above an infinite sheet?
- hockey
- · Replies 1 ·
Differential equation that describes the voltage with respect to time
- DustyGeneral
- · Replies 1 ·
[Long Post] Different batteries - lamp problem
- Rectifier
- · Replies 8 ·
First order minimum - Wave interference
- Maddie1609
- · Replies 1 ·
The Bouncing Ball Lab- Loss of Energy
- prestonubc22
- · Replies 3 ·
Using Newton's laws to find an expression for the angle of inclination
- taotao
- · Replies 8 ·
Would we see the planets move across the sky if Earth stops spinning
- kirsten_2009
- · Replies 7 ·
Centripetal Acceleration/Gravity Problem
- Drokro0707
- · Replies 1 ·
Circular Motion -- Finding Centripital Acceleration, Speed, etc.
- beniamin
- · Replies 7 ·
Capacitor value -- series/parallel caps to increase voltage
- anand raj
- · Replies 2 ·
What is the effect of a fridge on the temperature of a well-isolated house?
- franceboy
- · Replies 24 ·
What is the work required to push three protons to form an nucleus?
- Jonsson
- · Replies 5 ·
Calculating Force on a Stretched Steel Rod | Young's Modulus 200*109 Pa
- fightboy
- · Replies 1 ·
Solving a Pole-Leaning Problem with Negligible Mass
- Born
- · Replies 14 ·