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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How far from the Middle must the man stand to balance the boy
- mlavio829
- · Replies 1 ·
Gravitational potential energy problem
- Tuugii
- · Replies 1 ·
What is the Correct Radius of a Brass Rod Given Its Mass and Density?
- 7starmantis
- · Replies 4 ·
Find the tension in each of the cords
- darshanpatelh
- · Replies 2 ·
Mechanical Resonance: Can Soldiers' March Cause 16 Hz?
- opuktun
- · Replies 6 ·
Why Does Acceleration Vary in a Ramp Experiment?
- jnimagine
- · Replies 4 ·
Why Does Torque Increase with Radius?
- sganesh88
- · Replies 7 ·
How Do Identical Conducting Spheres Behave With Different Initial Charges?
- rocomath
- · Replies 6 ·
Calculating the Distance for Dropping Water Balloons on Students Entering a Dorm
- torresmido
- · Replies 2 ·
Another concentric sphere electric field question
- tony873004
- · Replies 3 ·
Vertical Circular Motion & Centripetal Acceleration
- tem_osu
- · Replies 6 ·
How Do You Calculate Net Electric Force in a Square Configuration?
- =CIA= h1tman
- · Replies 4 ·
How Do Potentials and Test Charges Interact?
- Aphrael
- · Replies 1 ·
Damping I made an assumption I am not sure is right
- LandOfStandar
- · Replies 12 ·
Calculate Horizontal Force at an Incline
- am08
- · Replies 1 ·
Force Problem with crash test car
- am08
- · Replies 3 ·
Gravitational potential energy challenge
- p4physics
- · Replies 1 ·
How far up the slope will the block get and will it come back down?
- nightshade123
- · Replies 14 ·
Rotational Inertia (Moment of Inertia) of a Rod
- tseryan
- · Replies 5 ·
Forces on an Object: Find Acceleration, Mass, Speed & Velocity Components
- sailsinthesun
- · Replies 7 ·
How Does Kinetic Energy Affect Spring Compression in Simple Harmonics?
- roughneck84
- · Replies 13 ·
Moment of inertia of a thin spherical shell
- abinxur
- · Replies 2 ·
A Bar Suspended by Two Vertical Strings
- laxmanic33
- · Replies 2 ·
Density of Asteroids, Escape Velcoity and Jumping
- TFM
- · Replies 6 ·
Solve Gauss's Law and Flux: 55.3M Excess Electrons
- dals2002
- · Replies 2 ·
Why Are Instantaneous and Average Velocities Different in Uniform Acceleration?
- jnimagine
- · Replies 1 ·
How many pounds per square inch is exerted on the large block of steel
- castlegates
- · Replies 9 ·
Resolving Forces: Acceleration & Speed of 4kg Block on Inclined Plane
- hasnain721
- · Replies 1 ·
How to Calculate Average Speed for a Commuter?
- Andyjimbo
- · Replies 7 ·
Electric potential and electric field
- 743344
- · Replies 2 ·
Conceptual Projectile Question
- rwx1606
- · Replies 2 ·
What Is the Resultant Force Exerted by a Car on the Road?
- jelly1500
- · Replies 9 ·
Electric field from concentric spheres
- tony873004
- · Replies 4 ·
Find the Contact Force Between Two Blocks
- am08
- · Replies 10 ·
How Do You Calculate the Density of a Body and a Liquid Based on Buoyancy?
- vbalaji555
- · Replies 2 ·
Yank and Pull - String Tension Problem
- KolosoK
- · Replies 3 ·
How Far Will a Steel Ball Travel at a 29-Degree Angle?
- am08
- · Replies 8 ·
Question about Applying V^2/r with two different velocities
- MaZnFLiP
- · Replies 1 ·
How much current (in A) flows through the ammeter for Circuit b?
- kapopka88
- · Replies 1 ·
How Does Soap Film Thickness Affect Color Reflection in Optics?
- 4.19mile
- · Replies 1 ·
Electric Field and dipole moment
- Gear300
- · Replies 2 ·
Question about something reaching exactly +
- MaZnFLiP
- · Replies 6 ·
Calculating Electric Flux Through Cube's Left Face
- tony873004
- · Replies 4 ·
Optics in Water: AP Physics B Concepts and Calculations for Light Sources
- baby_angel248
- · Replies 1 ·
Calculating Maximum Velocity of a Dropped Object
- tengtou
- · Replies 7 ·
Two Blocks on an Incline: Solving for Acceleration and Tension
- ssgohan434
- · Replies 2 ·
Point charge formula and set-up
- rocomath
- · Replies 2 ·
Simple factoring that i can't do
- gillyr2
- · Replies 8 ·
How High Will a Toboggan Go Up an Icy Hill?
- bertoline
- · Replies 1 ·
How Should the Quarterback Throw to Reach the Moving Receiver?
- bmchenry
- · Replies 1 ·
How Is Electric Flux Calculated Through a Tilted Surface?
- daimoku
- · Replies 1 ·
Newton's Second Law of Motion acceleration problem
- XxMuDvAyNexX
- · Replies 2 ·
Parallel vs. Series Resistors: Solving for Unknown Voltage and Current
- BuBbLeS01
- · Replies 1 ·
Projectile Motion - one question.
- MoreZitiPlease
- · Replies 7 ·
Find Contact Force Between 2 Blocks
- seichan
- · Replies 4 ·
Solve Physics Problem: 3000kg Space Capsule
- bondgirl007
- · Replies 1 ·
Calculating Tension and Acceleration in a Two-Pulley System
- savelieffd
- · Replies 8 ·
What is the phase difference for two particles executing simple harmonic motion?
- LandOfStandar
- · Replies 19 ·
Voltage Vaporization: 2.5C Charge, 3.3 MJ Energy, 1.32 MV Potential Diff
- lostfan176
- · Replies 3 ·
Projectile Motion - one question.
- MoreZitiPlease
- · Replies 1 ·
Calculating Kinetic Energy at Perihelion: Orbital Energetics Help
- klarge
- · Replies 1 ·
Angles and forces/normal force
- XxMuDvAyNexX
- · Replies 17 ·
Magnetic flux between coaxial conductors
- einarbmag
- · Replies 1 ·
Change in Entropy of Ice Cube-Lake System
- hils0005
- · Replies 3 ·
A Spring Supporting a Box Containing a Block
- cj
- · Replies 6 ·
Vectors - Find resultant displacement
- FalconKICK
- · Replies 12 ·
Fast Car Collision Impulse Comparison
- naoki300
- · Replies 3 ·
Electric Circuit Analysis: Finding I1, I2, and E with Ammeter Reading of 4.11 A
- BuBbLeS01
- · Replies 11 ·
Solving for Resistance and EMF in a Circuit
- BuBbLeS01
- · Replies 16 ·
Calculating Resistance of Composite Wire: Copper and Iron Combination
- BuBbLeS01
- · Replies 7 ·
Calculate Power Dissipated by a Lightbulb Socket
- BuBbLeS01
- · Replies 9 ·
Ideal Gas Law Application: Finding the Temperature of Air in a Tire
- iflabs
- · Replies 3 ·
What is the relative velocity of a canoe on a river?
- bichz33
- · Replies 2 ·
Calculating Power Dissipation in Series Lightbulb Circuit
- BuBbLeS01
- · Replies 2 ·
Calculating Power Dissipation in a Simple Circuit
- BuBbLeS01
- · Replies 6 ·
How Does Vector Addition Determine Acceleration on a Frictionless Surface?
- TS656577
- · Replies 4 ·
Solve Block on an Incline: Net Force, Accel, Speed in 9 m/s
- cstout
- · Replies 1 ·
How Does Charge Location Affect Electric Field Intensity?
- kamehamehaaa
- · Replies 1 ·
What is the Work Needed to Move a Charge?
- ttiger2k7
- · Replies 2 ·
Direction of angular acceleration
- brendan3eb
- · Replies 2 ·
How Strong Is the Electric Field at the Midpoint of a Triangle's Side?
- kamehamehaaa
- · Replies 1 ·
How Do Smoke Particles Move in a Glass Tube Observed Under a Microscope?
- unknownn148
- · Replies 1 ·
Girl Climbing Rope: Avg Speed & Work Calculated
- Grey_117
- · Replies 1 ·
What Frequency Does an Atom in a Cubic Lattice Absorb Radiation?
- catkin
- · Replies 3 ·
Question about centripital force/friction/etc.
- tectactoe
- · Replies 9 ·
Quick friction concept question
- jcpwn2004
- · Replies 2 ·
Does Pipe Diameter Affect Water Flow in a Circuit?
- JasonBourneV
- · Replies 5 ·
Calculating Power Output and Heat Dissipation in a Coal-Powered Plant
- chrisama
- · Replies 4 ·
Dielectric Help: Solving Parallel Plate Capacitor
- Bob Loblaw
- · Replies 1 ·
Method for instatnt cooling of water
- alibaba2
- · Replies 6 ·
Physics 11 Speed and acceleraton
- anOldMan
- · Replies 5 ·
Instantaneous Speed From Acceleration
- schlogz
- · Replies 3 ·
Solving 2D Motion: 80m Cliff, 1330m Distance
- clope023
- · Replies 4 ·
Truck accelerating up/down on wedge with friction.
- nickclarson
- · Replies 2 ·
Why does Coulomb's Law include a pi in the denominator?
- Old Guy
- · Replies 3 ·
How Does an Electron Behave Between Parallel Conducting Plates?
- stanli
- · Replies 1 ·
Does Sound Intensity Change with Frequency Shift in Doppler Effect?
- tjaeger
- · Replies 3 ·
Calculating Average Current for a Typical American Family's Electricity Usage
- BuBbLeS01
- · Replies 6 ·
5. Energy of a Capacitor in the Presence of a Dielectric
- laterrel
- · Replies 1 ·