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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Help I'm feeling stupid. :( ("A solid sphere rolls down an incline)
- Qwurticus
- · Replies 3 ·
Moment Balance - Angled Wine Bottle Holder
- riddle_me_phys
- · Replies 1 ·
A path that curves more sharply (e-)?
- jayayo
- · Replies 3 ·
Magnetic field strength that emits waves
- jayayo
- · Replies 3 ·
How Does Dielectric Insertion Affect Capacitor Behavior?
- Korisnik
- · Replies 5 ·
Isothermal compressibility and spring constant solids
- PhizKid
- · Replies 5 ·
Poss Textbook Error Concerning Momentum
- MariettaBlau
- · Replies 3 ·
Negative in a Electric Potential Energy/Kinetic Energy Question
- mistermill
- · Replies 1 ·
Work-Energy Principle: Pulley System
- matineesuxxx
- · Replies 7 ·
How Hot Was the Campfire's Aluminum Can Before Cooling in Water?
- sciencegeek101
- · Replies 2 ·
Solving for Constants and Graphing Wave Function: Modern Physics Exam Guide
- OhNoYaDidn't
- · Replies 3 ·
Finding the mass of a rotating wheel with an attached mass
- Jesse2789
- · Replies 6 ·
Resistance of wire vs wire with wide middle
- User29013
- · Replies 4 ·
Mass of a rubber stopper being swung in a horizontal circle
- CharlesDerpwin
- · Replies 4 ·
Radius and Pitch of an electron's spiral trajectory
- jayayo
- · Replies 1 ·
Resistance Variable Cross Section
- millifarads
- · Replies 3 ·
Kinematic -- If object in 5th and 6th sec passes 20
- alexstrasuz
- · Replies 5 ·
Simple Pendulum in Elevator: Calculating Angular Amplitude with Acceleration
- Tanya Sharma
- · Replies 25 ·
Solving Problems Involving Dog Walking on a Boat
- KKazaniecki
- · Replies 1 ·
Finding the initial speed of two balls.
- zim70094
- · Replies 17 ·
What is the ratio of masses for two colliding gliders in a horizontal air flow?
- pablotano
- · Replies 13 ·
Lowest frequency of a water with drinking straw
- desmond iking
- · Replies 6 ·
Finding Displacement in a Box Collision with Coefficient of Restitution
- Jzhang27143
- · Replies 2 ·
Solve Eletrostatic Problem: Sphere Charge Q0
- Anonymous119
- · Replies 6 ·
Simple special relativity, length from duration
- CuriousParrot
- · Replies 5 ·
Need help with projectiles initial velocity using height and distance
- batcave1985
- · Replies 1 ·
Wavelength of sound affected by the moving observer?
- desmond iking
- · Replies 1 ·
Frequency of sound detected by microphone
- desmond iking
- · Replies 2 ·
What Are the Key Concepts in RLC Circuits from a Scientist's Viewpoint?
- chemistrymole
- · Replies 6 ·
Diamond Circuit, Three EMF Sources -- Parallel?
- cklabyrinth
- · Replies 2 ·
Lab finding the mass of a flywheel
- onelove8187
- · Replies 11 ·
How Much Does Entropy Increase for Aluminum When Heated?
- Art_Vandelay
- · Replies 18 ·
How to Solve This Complex Current Electricity Circuit Problem?
- coldblood
- · Replies 9 ·
Why Do Balls Launched Up and Down Hit the Ground at the Same Velocity?
- fightboy
- · Replies 2 ·
Why Start a Wheatstone Bridge Experiment in the Middle for Greater Accuracy?
- jvdamdshdt
- · Replies 1 ·
Is the Velocity of an Upward-Moving, Slowing Rock Still Positive?
- oreospls
- · Replies 4 ·
What is the change in entropy when gallium melts in your hand?
- Art_Vandelay
- · Replies 8 ·
Rotating rubber wheels made to contact. Find final angular veloctiy
- Dazed&Confused
- · Replies 12 ·
Solving Spider on the Rod Problem Using Conservation of Angular Momentum
- Tanya Sharma
- · Replies 19 ·
How Do You Calculate Phase Difference in a Traveling Harmonic Wave?
- Craig
- · Replies 3 ·
Calculating the Average Force on a Meteor Upon Entering Jupiter's Atmosphere
- brake4country
- · Replies 30 ·
Angular Acceleration Caused by Axehead on a Rotating Grindstone (Disk)
- hdp12
- · Replies 1 ·
Torque Causing Angular Acceleration on a Uniform Disk
- hdp12
- · Replies 7 ·
When finding Magnetic Field between two wires
- mistermill
- · Replies 1 ·
Potential difference between two infinite cylinders
- rshalloo
- · Replies 11 ·
Time of approach of two oppositely charged particle
- Satvik Pandey
- · Replies 63 ·
Motor bringing clothes washer drum to 240 rev/min
- BrainMan
- · Replies 9 ·
Relative Velocity of Two Objects Moving at Different Speeds
- Tranceform
- · Replies 5 ·
Angular velocity of a solid disk
- Nininguyen6
- · Replies 17 ·
Solving a Physics Problem: Boy & Girl on a Frozen Pond
- Mltn12
- · Replies 15 ·
Does Time Dilation Affect Observations in Baseball?
- Tranceform
- · Replies 3 ·
Finding Equilibrium: Solving a Black Hole Parking Problem
- kmcshane386
- · Replies 1 ·
How Do You Calculate the Initial Separation Between Two Charged Particles?
- udontai
- · Replies 20 ·
Entropy & Gasoline HW: Answer & Explanation
- Art_Vandelay
- · Replies 6 ·
Determine bubble volume change with given temperature
- hummele
- · Replies 2 ·
Solving for Displacement when Jamilla Throws a Stone
- sciencegeek101
- · Replies 3 ·
Tension in objects in circular motion
- nopeudon
- · Replies 2 ·
Calculating Force & Accel. From Cell Phone Dropping Homework
- gembi
- · Replies 4 ·
How can simultaneous equations be used to solve two-dimensional motion problems?
- kathy
- · Replies 5 ·
Uncharged spherical conducting shell
- VU2
- · Replies 5 ·
Finding the velocity of a proton at the surface of a conductor
- chococho
- · Replies 8 ·
Static Friction Experiment: Help Result interpretation
- Jaimie
- · Replies 4 ·
Electric Flux Comparison: Gauss's Theorem and Enclosed Charge
- VU2
- · Replies 8 ·
How Does Adding Nitrogen Affect Pressure in a Sealed Tank?
- Myr73
- · Replies 3 ·
Calculating Marble's Fall from a Table Height
- rr96
- · Replies 6 ·
Why the forces in the arch are carried to the ground
- mcastillo356
- · Replies 26 ·
Circuit Question - Driving me crazy
- Allura
- · Replies 10 ·
Oscillation Frequency for Peak Voltage
- 4Phreal
- · Replies 3 ·
How Much Heat is Needed to Raise a Piston in a Heated Ideal Gas Cylinder?
- Myr73
- · Replies 10 ·
How can I use similar triangles to find points on a mirror?
- zoomba91210
- · Replies 1 ·
Electrical force between two objects
- IAmCurious
- · Replies 2 ·
Position-Time Graph to Velocity-Time Graph
- in31l
- · Replies 6 ·
Wave intensity at different points
- desmond iking
- · Replies 1 ·
How Does the Doppler Shift Affect Observations of the Sun's Rotation?
- risingabove
- · Replies 1 ·
Does Wave Intensity Change with Distance in Circular Waves?
- desmond iking
- · Replies 13 ·
Chain and Elastic string problem
- Vibhor
- · Replies 1 ·
Tension and Hinge Force Problem
- Art_Vandelay
- · Replies 5 ·
Why Is My Calculated Error for Resonant Frequency So High?
- ma18
- · Replies 6 ·
Tension in and out of water in constant velocity
- pearson.hannah
- · Replies 1 ·
How Do You Solve a Grade 11 Physics Projectile Motion Problem?
- kathy
- · Replies 4 ·
Weight of a person on earth vs. weight on a different planet
- Medgirl314
- · Replies 8 ·
Opel GT on Incline: How Much HP Needed?
- VoyagerOne
- · Replies 3 ·
How Much Air Escapes from a Heated Compressed Air Cylinder?
- risingabove
- · Replies 3 ·
Difference between flux linkage and flux cutting in Faraday's law
- Jimmy87
- · Replies 18 ·
Specific gravity of mystery fluid
- pearson.hannah
- · Replies 4 ·
How Do You Calculate the Spring Constant from Work Done?
- onelove8187
- · Replies 4 ·
How long the ball remains in contact with the ground when dropped
- Satvik Pandey
- · Replies 29 ·
Equilibrium Question involving Torque
- mlb2358
- · Replies 7 ·
RC time Circuit; charge of capacitor as a function of time derivation
- sobie925
- · Replies 3 ·
Rotating hoop with body fixed inside of same mass
- lavankohsa
- · Replies 1 ·
How Fast Must a Pion Travel to Avoid Decay Over 1.9 km?
- student34
- · Replies 2 ·
Properties of progressive waves
- desmond iking
- · Replies 1 ·
Calculate Mass of Ice Cube from Calorimetry Experiment
- Myr73
- · Replies 4 ·
Physics Problem: Fnet=ma or Fnet= 0?
- Jaimie
- · Replies 10 ·
Maximum possible percentage error
- calm_cool
- · Replies 7 ·
Radius of circular impulse wave in the hemisphere bowl
- desmond iking
- · Replies 10 ·
Electric field from two point charges 10 cm right of negative charge
- zoomba91210
- · Replies 2 ·
What is the path length of a heat-seeking torpedo chasing an aircraft?
- Aditya3003
- · Replies 1 ·
Why is this inelastic collision problem solvable?
- Nathanael
- · Replies 9 ·
Volume of a helium baloon inside a fridge
- ricard.py
- · Replies 4 ·