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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What are the Rotational Dynamics of a Thin Rod Held by a Pivot Point and String?
- superaznnerd
- · Replies 2 ·
Rotational Motion: When Does Car A Catch Up to Car B?
- sheepcountme
- · Replies 6 ·
Annoying ellitpical orbit problem
- superaznnerd
- · Replies 2 ·
Diving car down steep, slippery hill (work, gravity, friction)
- Jim01
- · Replies 5 ·
How do I set up the equations for this?
- Ryuk1990
- · Replies 4 ·
Frequence of light of galaxy receding from earth
- matt72lsu
- · Replies 2 ·
Pressure vs Vlume graph questions
- joemama69
- · Replies 1 ·
Finding the Resultant Amplitude & Phase: A Practice Problem
- mmmboh
- · Replies 3 ·
Viscous Drag and Terminal Velocity
- paradiselost
- · Replies 2 ·
Orbits of planets/Angular momentum
- Physics122
- · Replies 10 ·
Rotation and translation of a cylinder
- Hannisch
- · Replies 2 ·
Conversation of mechanical energy
- gujubomber
- · Replies 1 ·
Calculate Distance Light Travels in Reflection from Light Fibre
- sdoyle1
- · Replies 1 ·
How Does a Finite Wire Segment Affect Magnetic Field Calculation?
- Jethom18
- · Replies 1 ·
Theoretical Rope and Pulley Question
- qszwdxefc
- · Replies 4 ·
How Do You Calculate Current in a Complex Resistor Network?
- krtica
- · Replies 15 ·
How to Find Reactions at Point A in a Structural System?
- Ryuk1990
- · Replies 3 ·
Help with varying coefficients of friction
- Exuro89
- · Replies 5 ·
Sliding block Kinetic Energy Problem
- lshine09
- · Replies 7 ·
Finding Equivalent Resistance in a Combination Circuit
- Gemy4
- · Replies 7 ·
Thermal conductivity of airplane
- joemama69
- · Replies 4 ·
Solving for Wave Speed: A Guitar String's Story
- The_Hunter
- · Replies 3 ·
Determining Amplitude of Standing Wave on a Guitar String
- ~angel~
- · Replies 5 ·
Some electromagnetism questions
- nunos
- · Replies 11 ·
Rotational Kinetic Energy of Moving Wheel
- easchwen
- · Replies 4 ·
How Is Net Work and Heat Calculated in a Thermodynamic Cycle?
- joemama69
- · Replies 4 ·
How Do You Analyze a PV Diagram for a Diatomic Ideal Gas Cycle?
- joemama69
- · Replies 5 ·
Block/Spring Problem (Kinetic Energy)
- lshine09
- · Replies 1 ·
Object Displacement from one point in space to another.
- CaptFormal
- · Replies 1 ·
Negative acceleration and instantaneous velocity on an object.
- CaptFormal
- · Replies 2 ·
What is the Complex Exponential Form of a Trigonometric Function?
- mmmboh
- · Replies 6 ·
What does the slope of an acceleration vs. mass graph reveal?
- 1R1SFL0W3R
- · Replies 4 ·
Calculating the Required Force to Prevent Sliding on an Incline Plane
- stanbals
- · Replies 3 ·
Normal force of a ball at the top and bottom of a circular path
- oadeyemi
- · Replies 4 ·
A very Inquisitive question - Finding Force of Tension
- Weebay
- · Replies 4 ·
Solving for EMF: Potential Differences with R1 = 4 x R2 | Homework Question
- yamugushi
- · Replies 1 ·
Why Does qEt/m Represent Drift Speed in a Conductor?
- anonymousphys
- · Replies 2 ·
What kind of a vector force field is this?
- Keano16
- · Replies 4 ·
How Does Angular Velocity Change in Different Yo-Yo Maneuvers?
- Physics122
- · Replies 1 ·
What is the Net Force Acting on a Truck and Trailer System?
- VeryJerri
- · Replies 1 ·
Length Contraction spaceship Problem
- hbrinn
- · Replies 5 ·
Solving Electric Circuit Current & Power: Peak & Min Values
- bon
- · Replies 5 ·
Newtonian Mechanics (true or false)
- rechitzy
- · Replies 6 ·
Projectile motion with limited variables to use, help
- xwater
- · Replies 8 ·
Solve Ramp with Friction: Coefficient of Kinetic Friction
- rechitzy
- · Replies 5 ·
Range of a thermometer - and bulb size
- matthew77ask
- · Replies 7 ·
Logic gate circuits - What does two-level and multi-level mean?
- jayjay112
- · Replies 2 ·
Sliding mass on sliding incline
- zheng89120
- · Replies 1 ·
Range an Arrow travels shot upwards towards a projectile falling due to gravity
- fazer
- · Replies 1 ·
How Do Electric Circuits and Their Methods Work?
- jerrybg
- · Replies 3 ·
Child dragging box (friction, net force and work)
- Jim01
- · Replies 3 ·
Woman in Elevator Problem (Free Fall), Forces she experiences?
- Ballin27
- · Replies 1 ·
What Are the Best Resources for Understanding Quantum Physics?
- clm321
- · Replies 3 ·
Question concerning work and horizontal force.
- Jim01
- · Replies 2 ·
Determination of signs in basic capacitance problems
- Mr_J
- · Replies 1 ·
Mutual Inductance in a solenoid
- matt72lsu
- · Replies 1 ·
Determine inductance of a solenoid
- matt72lsu
- · Replies 8 ·
Driving Force of 1500 kg Car: 22600 N
- moshrom
- · Replies 1 ·
A simple example where oscillations with two or more frequencies are combined?
- Atlaπtis
- · Replies 1 ·
Statics - Balancing moment and resultant force
- lax1113
- · Replies 1 ·
Problem of Waves Homework: Wavelength, Frequency, Speed, Weight
- TheNextOne21
- · Replies 1 ·
HELP reading oscilloscope diagram
- Atlaπtis
- · Replies 1 ·
Understanding the Physics Behind Moving a Car with a Rope and a Pole
- Tearsandrille
- · Replies 3 ·
Solving Rotation Matrices Urgently: cos(pi/4) -sin(pi/4) sin(pi/4) cos(pi/4)
- rrm74001
- · Replies 1 ·
How Do You Calculate Object-Image Separation for a Convex Mirror?
- olyviab
- · Replies 1 ·
What Unique Variables Can Affect the Resonant Frequency in a Physics Experiment?
- asu04
- · Replies 6 ·
What is the frequency of unknown tuning fork
- lauralovesyou
- · Replies 1 ·
Uniform Electric Field in Cavity of Solid Sphere
- mrlebowski
- · Replies 1 ·
Calculating Work and Energy in a Spring Loaded Cannon
- stripes
- · Replies 5 ·
Find the Magnitude of Emf Induced in a Circular Loop After 6.00s
- Charanjit
- · Replies 2 ·
Velocity of a moving conducting bar in a magnetic field
- Linus Pauling
- · Replies 1 ·
Circuits with series and parallel wiring
- r_swayze
- · Replies 1 ·
Understanding the E-Field Between Parallel Plates
- wumple
- · Replies 4 ·
Cylindrical Capacitors Questions
- apphysicsgirl
- · Replies 1 ·
Yet another two-block system question. I guess I don't understand this still.
- Bensky
- · Replies 4 ·
Electric field inside a uniformly charged solid sphere .
- hangainlover
- · Replies 1 ·
Where Am I Going Wrong in Calculating the Orbital Period?
- Sci21
- · Replies 3 ·
Induced Current - is there one if inside constant B field?
- skibum143
- · Replies 10 ·
What is the tangential acceleration of a flywheel particle during deceleration?
- RaoulDuke
- · Replies 2 ·
What Speed Range Keeps a Car Safe on a 65m Banked Curve?
- demente182
- · Replies 6 ·
Finding the distance for one stone to pass the other
- lauren16
- · Replies 1 ·
Energy Equations: U, K, E for 0-4 cm Compressions
- MrGoodyear812
- · Replies 3 ·
Trying to find volume given Newtons/ archimedes principle
- bc1170
- · Replies 4 ·
Parallel conducting wires and zero magnetic field x value
- skibum143
- · Replies 16 ·
Finding electric field between parallel metal plates with charge Q
- skibum143
- · Replies 4 ·
Projectile Motion Kinematics Problem
- Turquoise
- · Replies 3 ·
Baseball Flight: Solving for Speed & Time
- mimsteel
- · Replies 9 ·
Calculating Time for Mass to Reach 70 m/s
- bobey
- · Replies 1 ·
Number of revolutions a disk has made after a given time
- FGCUgrl11
- · Replies 1 ·
How do you find wavelength if your given only the speed?
- Brittykitty
- · Replies 1 ·
Calculating Acceleration Time for an Electron
- slpnsldr
- · Replies 13 ·
Intake Temperature for a 40.2% Efficient Carnot Engine
- shar_p
- · Replies 2 ·
Satellite orbital speed homework
- mat331760298
- · Replies 1 ·
Analyzing Displacement, Velocity, and Acceleration of a Bicyclist in a Park
- mimsteel
- · Replies 1 ·
Two-block system - what am I doing wrong?
- Bensky
- · Replies 15 ·
Momentum Conservation and Collisions Concept?
- x0ji11y
- · Replies 2 ·
How Do I Integrate Kinematics Problems with Units?
- noypingpogi
- · Replies 3 ·
Solve Displacement Problem: 24 Rads
- temaire
- · Replies 1 ·
Magnetic Field Calculation for Parallel Wires
- Bavarian Rave
- · Replies 2 ·