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 is the relationship between torque and frictional force in this system?
- Joe Armas
- · Replies 3 ·
Calculating Maximum Weight on a Tipping Table with a Cat: Torque Analysis
- henry3369
- · Replies 5 ·
Projectile Motion balloon question
- Elvis 123456789
- · Replies 10 ·
Resultant Velocity of Thor's Hammer
- patdon22
- · Replies 1 ·
An object on an incline of 20° (degrees)
- vizakenjack
- · Replies 7 ·
Relative velocity of particles moving opposite directions on a circle
- PFuser1232
- · Replies 4 ·
When to use conservation of angular momentum
- henry3369
- · Replies 10 ·
Charge and Voltage on Capacitors.
- Yut
- · Replies 5 ·
How Does String Tension Affect the Sound of a New Musical Instrument?
- Emily_20
- · Replies 31 ·
Spacetime diagram problem (spacelike intervals)
- Moataz
- · Replies 2 ·
How Accurate Are These Torque Calculations?
- amy098yay
- · Replies 8 ·
Potential difference between three capacitors in series
- Ware182
- · Replies 12 ·
Calculating the End Temperature of Adiabatic Compression for an Ideal Gas
- Incand
- · Replies 4 ·
Harmonics Question: How Can Harmonics Be Present?
- ThatDude
- · Replies 2 ·
Air Track Elastic Collision: Solving for Final Velocities
- Adel A
- · Replies 1 ·
Calculating Work in a Thermally Insulated Cylinder
- SPhy
- · Replies 11 ·
Flow Through Orifice Homework: Bernoulli's & Motion Eqs
- samjohnny
- · Replies 7 ·
Rank Wave Functions by Speed: IV, I, II=III, III
- sugz
- · Replies 5 ·
Why Gauss's law works when charge enclosed is not uniform?
- Jae
- · Replies 3 ·
How does a rotating pulley affect acceleration and tension?
- jb007
- · Replies 5 ·
Calculating the Force of a Kangaroo's Legs
- Shoebox
- · Replies 21 ·
Calculating the Speed of a Galaxy Using Diffraction Grating and Doppler Effect
- HaLAA
- · Replies 5 ·
Calculating Tangential Force for Grindstone Rotation
- henry3369
- · Replies 27 ·
Charge density in cylinder with uniform charge
- p0ps1c1e
- · Replies 1 ·
Conveyor belt speed and burger production rate
- MidgetDwarf
- · Replies 1 ·
Maximum Torque Calculation for a Given Force and Angle
- amy098yay
- · Replies 11 ·
Can force or displacement be negative in the work equation?
- SkyrimKhajiit
- · Replies 2 ·
Natural Frequencies and Harmonics
- ThatDude
- · Replies 2 ·
Force of declerating object losing mass
- Lukec29
- · Replies 5 ·
How to calculate the change in kinetic energy on a plane?
- governergrimm
- · Replies 2 ·
Finding a time-dependent vector
- PFuser1232
- · Replies 4 ·
What causes drag on a stationary car?
- Steelers72
- · Replies 6 ·
What is the Minimum Distance Between Moving Identical Particles in Vacuum?
- Kostas Tzim
- · Replies 21 ·
Which person exerted a force perpendicular to displacement?
- Westin
- · Replies 1 ·
Vertical Simple Harmonic Motion
- Tanya Sharma
- · Replies 24 ·
Solid Insulator Sphere Inside Hollow Sphere Conductor
- Aristotle
- · Replies 6 ·
Egg Drop Project: Creative Designs with Limited Materials
- Killjoywannabe
- · Replies 2 ·
Instantaneous Acceleration from a Velocity-Time graph
- physxaffinity
- · Replies 6 ·
Problem with Centripetal velocity on a banked corner
- Astraithious
- · Replies 2 ·
Tension in two strings with 67 kg mass suspended by them
- GiantSheeps
- · Replies 23 ·
Understanding Momentum and Impulse
- Sonny18n
- · Replies 21 ·
Static equilibrium and resultant velocity problems
- Robert turbin
- · Replies 4 ·
What is the magnitude of the average velocity v of the car?
- Lesliedenise57
- · Replies 2 ·
Collision with two cars (momentum and impulse)
- RioAlvarado
- · Replies 6 ·
Electric Potential V inside nonconducting sphere with cavity
- WK95
- · Replies 2 ·
WJEC GCSE Physics 2 Higher Tier Q5(c)(ii) Help
- Tomos
- · Replies 3 ·
Equation of motion for a rotational mass and spring system
- Isow
- · Replies 11 ·
Force needed to make a 15 ft ladder slide at its base
- bioengi12345
- · Replies 11 ·
Calculate Wavelength Three Different Ways
- Dag
- · Replies 1 ·
Finding the maximum compression of a spring
- kappakeepo
- · Replies 9 ·
What is the final speed of the boat?
- Westin
- · Replies 3 ·
Final Speed of Object After Constant Force Applied - 31.358m/s
- Westin
- · Replies 6 ·
Choose the correct snapshot graph longitudinal waves
- firezap
- · Replies 3 ·
Calculating Electrostatic Force Between Pennies with Slight Charge Differences
- Emily_20
- · Replies 1 ·
Electric Field and Surface Charge Density of Concentric Dielectric Shell
- jmhwang7
- · Replies 1 ·
Two charged balls approach, touch, then repel—find initial charge
- Robin04
- · Replies 5 ·
Self-locking condition for a flat piece pushed between two walls
- Karol
- · Replies 31 ·
Diagram for Charge Directions-Electron Path-Magnetic Fields
- julianwitkowski
- · Replies 6 ·
Deep Inelastic Scattering, peak of cross section, width?
- binbagsss
- · Replies 2 ·
Does circular motion have linear acceleration with radial and tangential components?
- PhysicsKid703
- · Replies 8 ·
Spring-block system with angled spring and tension
- Suraj M
- · Replies 11 ·
Velocity dropped and thrown meet at what height
- Mathias
- · Replies 13 ·
What is the orbital period of positronium in the far future?
- GypsySmash
- · Replies 6 ·
Calculate mass from acceleration and radius
- kmh36
- · Replies 5 ·
Potential energy, and use of datum line
- MacLaddy
- · Replies 2 ·
How Deep Would the Mariana Trench Need to Be for Ice VII to Form?
- Calpalned
- · Replies 1 ·
Gravitational force on a particle from line of mass
- Crush1986
- · Replies 6 ·
Temperature increase in water question
- muddahwhale
- · Replies 2 ·
Water equivalent of calorimeter
- rasen58
- · Replies 3 ·
Standing Waves Under Boundary Conditions
- sugz
- · Replies 1 ·
Velocity of pions after moving far away from each other?
- physicslove22
- · Replies 13 ·
Simple Pulley Problem With Acceleration
- Goofball Randy
- · Replies 5 ·
Laminar Flow : shear force on walls
- throneoo
- · Replies 1 ·
Wire coil in decreasing magnetic field
- Pete Panopoulos
- · Replies 1 ·
What is the resultant vector electric field at the point P?
- Freya
- · Replies 1 ·
Relationship between electric energy and force
- NotADuckFan
- · Replies 5 ·
Frictional forces and the angle for minimum frictional force
- Yam
- · Replies 7 ·
Understanding Electric Fields and Voltage: How Do They Relate?
- RobertArvanitis
- · Replies 4 ·
Calculating the center of gravity (hard version)
- mathguy2
- · Replies 5 ·
Why must a photogate be perpendicular to an air track?
- josbear
- · Replies 4 ·
Power required to generate a wave
- AbhinavJ
- · Replies 1 ·
How Does Adding a Steamer Trunk Affect the Plane's Center of Gravity?
- mathguy2
- · Replies 2 ·
Calculating Frequency of Siren Heard by Truck After Police Passes
- sugz
- · Replies 6 ·
Balancing weights (simpler version)
- mathguy2
- · Replies 1 ·
De Broglie wavelength of an ant
- DunceMoin
- · Replies 3 ·
Potential energy. What is the spring constant?
- Y*_max
- · Replies 6 ·
Special Relativity WS#2 -- Earth-Pluto SuperShuttle line time dilation
- relativelnr00
- · Replies 9 ·
What is the angular velocity of a rolling disc after displacement?
- Rishavutkarsh
- · Replies 13 ·
Muon decay and time dilation from cosmic rays
- relativelnr00
- · Replies 7 ·
Can Conservation of angular momentum be used?
- PhysicsKid703
- · Replies 6 ·
Car stopping with passenger: will they slip off the seat?
- Yam
- · Replies 9 ·
Calculating the Height of a Block Launched from a Compressed Spring
- Suraj M
- · Replies 2 ·
Finding frequency of moving sources with beats
- Phynos
- · Replies 2 ·
What is the Angle Between Velocity and Acceleration Vectors at t=(π/2w)?
- Yam
- · Replies 5 ·
Vertical motion Velocity and Acceleration dot products
- Mathias
- · Replies 1 ·
Measuring resistance using potentiometer
- AdityaDev
- · Replies 32 ·
How Much Charge Can a Capacitor Hold Before Failure?
- vysero
- · Replies 1 ·
Boat crossing a stream time taken
- 1508
- · Replies 1 ·
What P Value Causes Sliding or Tipping of a Box?
- NGamer
- · Replies 4 ·