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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Calculating Number of Loops in Coil 2
- buckeyes
- · Replies 6 ·
Forces Acting On Two Blocks : mostly conceptual
- Bostonuniden
- · Replies 1 ·
What do b and n signify in the damped harmonic motion equation?
- romd
- · Replies 1 ·
Spherical Wave - What is the phase?
- samee
- · Replies 2 ·
Elastic collision of two asteroids
- Arejang
- · Replies 5 ·
Rho (greek letter, not sure on spelling)
- Bad-Wolf
- · Replies 1 ·
Solve Emf & Current for Changing Magnetic Field in Square Coil
- buckeyes
- · Replies 2 ·
Magnetic Force on a Charged Particle in Constant Magnetic Field
- arod2812
- · Replies 3 ·
Another motion in 2 dimensions ?
- 2slowtogofast
- · Replies 1 ·
Electric Flux question [Surface integral]
- rohanprabhu
- · Replies 3 ·
Solve Forces Problem: Friction & Motion | 15kg Steel Block on Table
- Cathartics
- · Replies 3 ·
Destructive intereference in a wave
- Terp
- · Replies 1 ·
How do I use the average velocity equation for a car trip with breaks?
- bassplayer142
- · Replies 2 ·
How Does Rotating a Semicircular Wire Loop Affect Magnetic Flux?
- rcmango
- · Replies 1 ·
Heat removal question, refrigerator.
- scar123
- · Replies 2 ·
Force Required to Move Box of Mass 20 kg w/ Friction
- StephenDoty
- · Replies 1 ·
Physics Homework Problem Newtons Laws of Motion
- destro47
- · Replies 4 ·
Insulating spherical shell - E Force on a rod
- mitleid
- · Replies 16 ·
Solve Dipole Problem: Help with E_y = kqd/r^3
- Saladsamurai
- · Replies 5 ·
Solved: Calculating Capacitor Charge in Circuits with 115V, 30R & Switch Closed
- parkskier
- · Replies 2 ·
Looking for an equation and creator of it.
- chrishin
- · Replies 3 ·
I'm in dire need of momentum help.
- TheNormalForc
- · Replies 10 ·
Work done by springs in a series
- sillybean
- · Replies 7 ·
Angular magnification of a microscope
- viperassasin
- · Replies 2 ·
Prove magnitude of acceleration.
- guipenguin
- · Replies 5 ·
Why Can't You Add Fields Component-Wise for a Dipole?
- Saladsamurai
- · Replies 1 ·
How to Calculate Spring Constant and Stretch Distance
- Ashford
- · Replies 2 ·
Normal Force at the bottom of a Ferris Wheel
- AnkhUNC
- · Replies 3 ·
Superheavy Elements: What Are They & What Benefits/Drawbacks?
- ulech21
- · Replies 7 ·
How Do Two Cyclists Traveling Towards Each Other Meet?
- blooreema
- · Replies 1 ·
F=maF=(59)(V-0)/3Solving Ski Slope Physics Problems
- kdizzle711
- · Replies 7 ·
Solving Your Crate Loading Problem - Get the Right Answer!
- iwonde
- · Replies 1 ·
Finding Force and Tension of Suspended Sphere
- iamkristing
- · Replies 2 ·
Applying Newton's laws to traveling car
- iamkristing
- · Replies 1 ·
How Is the Classical Energy-Momentum Relation Derived?
- Erika Martin
- · Replies 1 ·
How Do You Calculate Vector Components and Resultant Displacement?
- hizeme
- · Replies 1 ·
Solve Specific Gravity Problem: Cork Density 0.25 g/cc
- Ashford
- · Replies 1 ·
Expressing speed with variables
- kdizzle711
- · Replies 1 ·
Solving Gauss's Law Problem: Electric Fields in 4 Regions
- awvvu
- · Replies 4 ·
Troubleshooting a Uniform Acceleration Problem: Finding Time and Height
- Delber
- · Replies 2 ·
How Does Projectile Range Change Over Non-Flat Terrain?
- Unredeemed
- · Replies 1 ·
How can i launch a golf ball 15 m?
- mushy_eyes
- · Replies 6 ·
Calculating Density of Concrete
- SiCharlton
- · Replies 1 ·
Finding the coefficient of friction (mew) DUE TOMOROW
- newton2008
- · Replies 1 ·
Calculating Normal Force on a Block in Equilibrium
- StephenDoty
- · Replies 10 ·
Integration (Related to Physics)
- _Mayday_
- · Replies 2 ·
Spring Constants/Work And Energy
- eann595
- · Replies 3 ·
Fireworks Problem: Find Speed & Distance of Fragments
- iwonde
- · Replies 3 ·
How Can Algebra Prove the Elastic Collision Equation?
- Shadowsol
- · Replies 19 ·
How Does Configuration Affect Frictional Forces on Identical Blocks?
- StephenDoty
- · Replies 1 ·
Calculating Work Done on an Object with Force in One Direction
- jj8890
- · Replies 6 ·
How Do You Calculate Wavelength in Physics Problems?
- zachcumer
- · Replies 7 ·
Static Friction on an Inclined Plane: Force = mgsin30
- StephenDoty
- · Replies 1 ·
(101)Acceleration due to gravity
- WPCareyDevil
- · Replies 8 ·
Determine the time the arrow is in flight
- candycooke
- · Replies 4 ·
Alternating current : Solving for low-pass filter
- rohanprabhu
- · Replies 1 ·
What am I doing wrong? Potential Difference
- kamehamehaaa
- · Replies 1 ·
Equation relating launch velocity to distance pulled back.
- sharky939
- · Replies 2 ·
Moment of Inertia Homework: Solving for Force P
- totalmajor
- · Replies 1 ·
Angular dispersion through a prism? Rather
- rs4orce
- · Replies 1 ·
The Science of Heat Transfer: Understanding Refrigeration Process
- scar123
- · Replies 8 ·
What is the minimum force needed to make a wheel climb a step?
- Carpe Mori
- · Replies 5 ·
Picture of sinusoidal curve with 5 points
- NAkid
- · Replies 3 ·
What is the needle’s dipole moment?
- tony873004
- · Replies 8 ·
How to Solve a Kinematic Motion Problem with a Speeding Car
- ballerina_tee
- · Replies 16 ·
Proving coefficient of volume expansion
- bray d
- · Replies 2 ·
How Do You Calculate Stopping Distance on a Slope?
- cec87
- · Replies 2 ·
How Is the Speed of Light Calculated in Flint Glass?
- jimbo43
- · Replies 1 ·
Can Calculus Validate the Proof of w=(k/m)^(1/2) in SHM Equations?
- brendan3eb
- · Replies 1 ·
Rotational Motion of a Square Arrangement of Spheres
- totalmajor
- · Replies 4 ·
Electrical current and Resistance and Energy
- mer584
- · Replies 1 ·
Finding coefficient of friction for block sliding down 30° incline
- Sheneron
- · Replies 6 ·
Quick Question, no solving required
- razored
- · Replies 3 ·
What is the coefficient of kinetic friction between the sled and snow?
- JonathanSnow
- · Replies 22 ·
How much energy is saved per airplane
- cstout
- · Replies 2 ·
(101)Horizontal/Vertical forces on an object by a turntable
- WPCareyDevil
- · Replies 4 ·
Solving Optics Problem: Position of Image of Face Due to Reflection
- EngageEngage
- · Replies 1 ·
Magnetic field in the center of the toroid
- JasonBourneV
- · Replies 2 ·
Find image distance multiple optics.
- viperassasin
- · Replies 1 ·
Direction of Magnetic Field in a Toroid with Clockwise Current Loop?
- JasonBourneV
- · Replies 4 ·
Maximum Speed Formula for Simple Harmonic Motion
- roughneck84
- · Replies 4 ·
Angular Accerlation Homework: Avg. Angular Acc in Rad/s2
- cstout
- · Replies 1 ·
Why Is the Calculated Power for the Lightbulbs Incorrect?
- floridianfisher
- · Replies 2 ·
Solving Velocity Formula: Runner A & B Crossing Paths
- razored
- · Replies 7 ·
Capacitance Homework Word Problem
- mer584
- · Replies 1 ·
How Do You Calculate Capacitance and Electric Field for a Homemade Capacitor?
- mer584
- · Replies 3 ·
Wave Number Range: 633nm Laser & 100MHz Radio
- Winzer
- · Replies 1 ·
Kirchhoff loop rule and Ohm's Law
- cse63146
- · Replies 27 ·
Solving Spring & Elevator Homework Problem with Kinematic Equations
- NAkid
- · Replies 5 ·
Friction and Work Homework: Find Distance d
- NAkid
- · Replies 1 ·
Newtons Laws - Boxes connected with a cord
- hsestudent
- · Replies 3 ·
Work of Electric Field Problem, can't find mistake
- jigs90
- · Replies 4 ·
Artificial Gravity: Washing Machine Drum (27 cm, 4.1 rev/s)
- cstout
- · Replies 1 ·
What is the gravitational acceleration constant of Oz?
- SPH4U
- · Replies 3 ·
How Does Gauss' Law Apply to Infinite Planes with Different Charge Densities?
- tony873004
- · Replies 1 ·
Angluar acceleration of a computer disk
- cstout
- · Replies 2 ·
Object at rope: work to lift it
- iwonde
- · Replies 5 ·
Equilibrium of Hanging Bag of Cement: Finding Tensions in Wires
- Sheneron
- · Replies 4 ·
I'm in need of help on my physics
- cmwestbr
- · Replies 3 ·
Solved: Ballistic Pendulum Velocity Calculation
- Arejang
- · Replies 13 ·