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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A spacecraft encounters a stationary dust cloud of density rho.
- AbigailM
- · Replies 2 ·
Torque, Angular Displacement, Work
- warrior2014
- · Replies 6 ·
A battery is responsible for supplying a constant current to a circuit?
- Curious314
- · Replies 3 ·
Formula for working out power produced by petrol being burnt in an engine
- clifftifer
- · Replies 2 ·
Stone thrown upward from bridge reaches water in 3 seconds
- Mareena
- · Replies 1 ·
Calculate cangular momentum vector L
- classicphysic
- · Replies 4 ·
Why does the lowest mode have particles oscillating in phase?
- smith873
- · Replies 2 ·
Simple Harmonic Motion for a block-spring system
- obxer22
- · Replies 2 ·
Find Torque given Angular momentum and time
- btlogan2
- · Replies 3 ·
Finding Spring Constant through Simple Harmonic Motion
- SalsaOnMyTaco
- · Replies 1 ·
Finding distance between three spheres for gravitational force calculation
- wbetting
- · Replies 1 ·
Sphere in a horizontal plane + Projectile movement
- frank1
- · Replies 8 ·
What note does a listener hear when a singer gulps helium and sings middle C?
- amit25
- · Replies 20 ·
Universal gravitation 2- determine the planet's orbital period
- dani123
- · Replies 1 ·
Universal gravitation 4-determine the weight of astronaut on planet Z
- dani123
- · Replies 17 ·
What is the maximum height reached by a ball released from a spring-loaded tray?
- amiras
- · Replies 5 ·
How does a 30dB reduction in middle ear function affect sound energy to the cochlea?
- ilona
- · Replies 14 ·
Universal gravitation 1-determine height of satellite
- dani123
- · Replies 8 ·
Diagram to represent heat capacity?
- Crushgear64
- · Replies 7 ·
20 kg block pulled by 3.5 kg hanging mass over pulley
- camo2412
- · Replies 4 ·
Rotational Motion and speed of a disc
- nbroyle1
- · Replies 6 ·
Accurate Formulas on Thermal Expansion
- Keldric
- · Replies 13 ·
Calculating Spacetime Interval for Event A
- Monster007
- · Replies 2 ·
How Long Does It Take for Captain Kirk to Fall to the Valley Floor?
- Justhelp
- · Replies 7 ·
Motion 2 problems - Tossing hay bales and baseballs
- blackraven
- · Replies 3 ·
Calculating Linear and Rotational Motion
- Knightycloud
- · Replies 6 ·
Finding centripetal acceleration of a point on a vinyl record
- nbroyle1
- · Replies 8 ·
What are some potential research questions for an IB Physics extended essay?
- alireza1992
- · Replies 6 ·
How do light's magnetic fields work?
- personpersonp
- · Replies 8 ·
The Wave Equation (vibrating string)
- roam
- · Replies 1 ·
Amplitude of oscillating magnetic field
- Roodles01
- · Replies 1 ·
A person pushes a 10.0 kg lawn mower at constant speed with a force of
- nbroyle1
- · Replies 6 ·
Will heat transfer between 450K and 480K copper masses?
- Justhelp
- · Replies 8 ·
Simple Pulley System with Two Masses
- Wormaldson
- · Replies 3 ·
Gauss law and infinite spherical charge distribution
- abhi2005singh
- · Replies 9 ·
Fres = ma for atwood fall machine
- aaaa202
- · Replies 2 ·
Fnet=ma (kind of confusing question )
- laddoo12
- · Replies 2 ·
Does Angular Momentum Affect Linear Momentum in Physics Problems?
- jcurtis912
- · Replies 3 ·
French's Special Relativity problem 1-9: cost calculation
- gauss^2
- · Replies 2 ·
Torque and force from metal rod stopping spinning wheel
- Fjolvar
- · Replies 1 ·
Expanding gases leaving a muzzle
- Binayak95
- · Replies 1 ·
How Do You Calculate the Coefficient of Restitution from a Bounce Height?
- Binayak95
- · Replies 2 ·
Projectile motion - where will the ball land
- physics kiddy
- · Replies 2 ·
What is the magnitude of the acceleration of mass 1 in this system?
- jesusjones
- · Replies 4 ·
Would a Bird Be Able to Fly on The Moon?
- Justhelp
- · Replies 18 ·
How Do Bead Speeds Relate on a Semicircular Wire with a Tight String?
- Saitama
- · Replies 18 ·
How Much Force Does a Toy Locomotive Exert on a Caboose?
- foxat
- · Replies 3 ·
Why Do Bubbles Form on the Water Surface?
- jadelamlam
- · Replies 2 ·
Find the tangent line that passes through the origin
- Gamerex
- · Replies 7 ·
Finding coefficient of static friction with velocity and radius
- phee
- · Replies 6 ·
What is the formula for determining the velocity of a rocket launched off Earth?
- gbaby370
- · Replies 7 ·
Velocity under constant acceleration
- nbroyle1
- · Replies 13 ·
Real-Life Application: Using Laboratory Equipment in a Formal Report
- physicsxnoob
- · Replies 2 ·
Finding Pressure with constant temperature and varying volume
- joe465
- · Replies 6 ·
Max "P" = 12031.25# or 8942.5#Calculating Max "P" for Douglas Fir-Larch Beam
- raiderUM
- · Replies 7 ·
Stress and strain, maximum applied force before permanent deformation/breakage
- wolfpack11
- · Replies 3 ·
What Is the Acceleration of a Car After 10 Seconds from Rest?
- Justhelp
- · Replies 3 ·
Learner what is resistance value here.
- zakki
- · Replies 6 ·
Which of the following will produce Electromagnetic radiation?
- hmvince
- · Replies 2 ·
What is the total distance traveled during the time interval?
- nbroyle1
- · Replies 2 ·
Two Masses and the Tension in a rod
- Rohaaan
- · Replies 5 ·
Force and motion of 200kg crate pulled 20m at 15°
- sperrya
- · Replies 5 ·
How to Find what nth-term a Number is in a Sequence
- YASuperhero
- · Replies 6 ·
Conservation of Angular Kinetic Energy
- roam
- · Replies 2 ·
Would a downhill inclined plane be a simple machine?
- PinguNinja
- · Replies 1 ·
Calculating Magnitude and Duration of Deceleration in Fall from Bed
- nbroyle1
- · Replies 1 ·
Calculating Constant Acceleration for a Cessna Aircraft Takeoff
- nbroyle1
- · Replies 8 ·
Year 12: Cambridge Physics Problem (Pressure inside a vessel)
- johnconnor
- · Replies 4 ·
Simple harmonic motion - Springs
- Jalo
- · Replies 5 ·
Mailbag dropped from helicopter moving at 2.98 m/s
- nbroyle1
- · Replies 6 ·
Cycloid motion of electron in perpendicular E and B field
- bobred
- · Replies 7 ·
Basic kinematics confusion all derivatives 0?
- madah12
- · Replies 6 ·
What Is the Velocity of End B When the Rod Makes a 60° Angle with the Ground?
- Saitama
- · Replies 8 ·
(Center of Mass) How much the skater walked?
- frank1
- · Replies 4 ·
Velocity Ratio and Lever Confirmation
- junkie_ball
- · Replies 5 ·
Year 12: Cambridge Physics Problem (Doppler effect of light in a box)
- johnconnor
- · Replies 1 ·
Year 12: Cambridge Physics Problem (Thermal System)
- johnconnor
- · Replies 1 ·
Particle collision pressure and radiation pressure from a light bulb
- johnconnor
- · Replies 6 ·
How Do the Laws of Motion Apply to a Block and Wedge System?
- draotic
- · Replies 11 ·
Where Does Object A Come to Rest Relative to Wagon B?
- IIK*JII
- · Replies 7 ·
Projectile Motion - baseball popup
- blackraven
- · Replies 1 ·
How Does Spring Compression Relate to Ramp Angle and Friction in Equilibrium?
- hello95
- · Replies 5 ·
What is the angular velocity at t = 2.4 sec based on given graph?
- SalsaOnMyTaco
- · Replies 5 ·
Static friction problem for person to walk up plank
- Hyperfluxe
- · Replies 6 ·
Where does 3.92 m come from in the balance beam torque equation?
- wbetting
- · Replies 1 ·
Determining Final Velocity of an Electron Absorbing an X-ray?
- gbaby370
- · Replies 3 ·
How long does it take for the car to pass the truck?
- physicsguy69
- · Replies 5 ·
Universal gravitation 10- Determine the rate
- dani123
- · Replies 1 ·
Circular motion-what is the radius of the loop de loop in meters
- dani123
- · Replies 51 ·
Calculating Average Acceleration of 52g Super Ball
- nbroyle1
- · Replies 4 ·
How Does Angular Velocity Change After Inelastic Collision?
- Jalo
- · Replies 7 ·
Car Acceleration: Determining Speed & Distance
- nbroyle1
- · Replies 2 ·
Can This Table Hold a 1500 lb Axle?
- dalbir4444
- · Replies 4 ·
Dimensions - Disc Brake Surface Area
- jase03
- · Replies 3 ·
Calculating Car Accident Speed: 100ft skid marks, 0.75g deceleration
- herbally
- · Replies 5 ·
Is the Calculated Current of 1.3 Amps Correct in a Parallel Circuit Problem?
- zaddyzad
- · Replies 22 ·
Thermal expansion olympiad problem
- zabachi
- · Replies 11 ·
How much is the angular acceleration?
- Jalo
- · Replies 5 ·
How Do You Calculate the Coefficient of Kinetic Friction on an Incline?
- Bradyns
- · Replies 1 ·
Calculating number of Photons absorbed by a surface
- SirNevermind1
- · Replies 2 ·