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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Find the tension with using forces and torques
- vu10758
- · Replies 6 ·
Find minimum force to tip block
- vu10758
- · Replies 4 ·
Calculating Electric Forces with Dangling Objects
- Cory
- · Replies 15 ·
Find Speed of Blocks w/ Pulley & Spring
- BSCS
- · Replies 10 ·
Understanding Spring Forces: Net Force and Spring Scale Readings
- turdferguson
- · Replies 4 ·
Tumble dryer basket rotation rate from clothes falling angle
- 8parks11
- · Replies 14 ·
Initial charge on sphere B when two metal spheres repel after contact
- Cory
- · Replies 2 ·
What is the speed of a car traveling over a hill?
- wallercp
- · Replies 2 ·
People jumping in the air simultaneously
- rottentreats64
- · Replies 7 ·
What Does x' Represent in Electric Field Equations?
- charlotty
- · Replies 1 ·
Projectile Motion (ignore previous thread)
- ch3570r
- · Replies 3 ·
Projectile Motion I think I need some equations
- ch3570r
- · Replies 4 ·
I'm New And I Have A Couple Questions For Grade 12 Physics
- livvy
- · Replies 5 ·
How Is Torque Calculated on a Triangular Plate with Pivoted Forces?
- Soaring Crane
- · Replies 4 ·
Gravitational Potential Energy and Springs
- Soaring Crane
- · Replies 1 ·
What is the Period of Revolution for a Triple Star System?
- chaose
- · Replies 2 ·
Pool ball hits table, find an angle
- mbrmbrg
- · Replies 1 ·
Two Falling Stones and Their Center of Mass
- mbrmbrg
- · Replies 2 ·
Torque and angular momentum in golf swing analysis
- nelson_gslc
- · Replies 1 ·
Static equilibrium and a ladder
- vu10758
- · Replies 1 ·
Does Light Speed Vary by Color?
- yipkawa
- · Replies 1 ·
Calculating Gravitational Force on a Point Mass in a Semicircular Rod
- pete06
- · Replies 2 ·
What is the angle between the initial velocity vectors of the two children?
- mike_24
- · Replies 11 ·
Density of floating object 14% submerged in water at 0°C
- trickymax301
- · Replies 1 ·
Understanding Moving Charges and Magnetic Fields: True or False Statements
- LMTMAC
- · Replies 1 ·
How can a constant magnetic field in a coil lead to an increasing induced EMF?
- syang9
- · Replies 2 ·
Circular Motion, and Conservation of Energy problem
- leighzer
- · Replies 1 ·
Torque acting on a small plane during a looping
- fara0815
- · Replies 5 ·
Block sliding down incline then across horizontal surface with friction
- leighzer
- · Replies 7 ·
How Much Force Must a Fireman Exert to Hold a Steadily Ejecting Hose?
- zaguar
- · Replies 4 ·
Speed of plane in circular bank given diameter and angle
- courtney1121
- · Replies 3 ·
Static friction on cars rounding curves with different masses and speeds
- courtney1121
- · Replies 10 ·
Calculating the Physics of a Windlass System
- Dep87
- · Replies 1 ·
I hope this helps.How high did this athlete jump?
- cy19861126
- · Replies 9 ·
How Does the Normal Force Compare to the Car's Weight in a Circular Valley?
- courtney1121
- · Replies 1 ·
Will the heat shield material survive shuttle reentry without exceeding 4000K?
- courtney1121
- · Replies 12 ·
Find angular velocity using angular momentum
- vu10758
- · Replies 3 ·
Finding the Distance for Static Equilibrium of a Suspended Rod
- flash2
- · Replies 4 ·
Calculate Angular Momentum of 2kg Object at Time t
- vu10758
- · Replies 1 ·
Archimedes's Principle or something
- ayudame
- · Replies 4 ·
How Do Magnetism and Electric Fields Interact in Physics Problems?
- jekch85
- · Replies 4 ·
EASY PROBLEM - Force to break the string.
- 8parks11
- · Replies 5 ·
A packet is dropped from the window
- Aladin
- · Replies 8 ·
Solving sec²x·tan²x = 2
- donjt81
- · Replies 1 ·
Centripetal force on a 2000 kg car rounding a 175 m curve at 50 km/h
- 8parks11
- · Replies 7 ·
Why Did Ancient Roman Towns Have Fountains Before Water Distribution?
- Greek2Me
- · Replies 1 ·
What is the Designed Speed for a 100 m Radius Curve Banked at 68 Degrees?
- 8parks11
- · Replies 2 ·
How Does Partial Insertion of a Dielectric Affect Capacitor Voltage?
- vthang05
- · Replies 1 ·
Horizontal Harmonic motion and Springs
- mmiller39
- · Replies 1 ·
Ball putted up incline with initial velocity 2.0 m/s and deceleration 0.50 m/s²
- KS1247
- · Replies 1 ·
Is It Possible for a Cylinder to Roll Freely Without Slipping?
- Soaring Crane
- · Replies 10 ·
How Do You Calculate Mass Flow Rate in a Pressurized Tank?
- Soaring Crane
- · Replies 6 ·
Why Is the Displacement Graph Parabolic in a Ticker Tape Experiment?
- Missy81590
- · Replies 2 ·
Physical pendulum and meter stick
- bearhug
- · Replies 1 ·
How Does Distance Affect Decibel Levels in Sound Propagation?
- gh0st
- · Replies 1 ·
Kinetic Energy, Force, and Collisions
- Soaring Crane
- · Replies 1 ·
How Do You Calculate the Horizontal Component and Flight Time of a Baseball?
- XPX1
- · Replies 5 ·
Calculating Acceleration of a Sphere Thrown Upward
- ch3570r
- · Replies 5 ·
Surface Gravity of a Neutron Star
- scoles
- · Replies 1 ·
What is the Force Exerted by a Gas on a Container Wall?
- auslmar
- · Replies 2 ·
Maximum elevator speed with 1.6g force limit over 3m
- physstudent1
- · Replies 2 ·
Find the distance the car travels before it stops
- scoles
- · Replies 2 ·
What Is Magnitude and How Is It Calculated?
- josher1289
- · Replies 1 ·
How Fast Must an Object Travel to Reach 80 Meters High?
- ch3570r
- · Replies 5 ·
Spring constant needed to complete a loop in a pinball machine
- dan_c_101
- · Replies 6 ·
Timekeeping Changes with Temperature: Pendulum Clock at 1°C
- starfish794
- · Replies 1 ·
Net work done by 50N push on wheelbarrow with 43N friction
- josher1289
- · Replies 2 ·
Block moved by spring - Determine speed
- starfish794
- · Replies 3 ·
Net work done by forces on a wheelbarrow
- josher1289
- · Replies 1 ·
Calculating Total Energy of Block-Spring System
- trickymax301
- · Replies 3 ·
Head-on Proton Collision: Finding Speed
- kevykevy
- · Replies 3 ·
Intensity of sound and pain level
- needhelp83
- · Replies 4 ·
Frequency of violin string fingered one third down
- needhelp83
- · Replies 5 ·
Net gravitational force on a mass at a corner of a square
- huh
- · Replies 3 ·
Photon Reflection & Transmission: Calculating Probabilities
- kingyof2thejring
- · Replies 1 ·
Satellite (Gravitation) Question
- Destrio
- · Replies 4 ·
Net electric field at the center of an equilateral triangle with charges
- kevykevy
- · Replies 3 ·
How would i derive the equation?
- Tensaiga
- · Replies 3 ·
Power of a wave at a specific point
- lizzyb
- · Replies 2 ·
Impulse magnitudes in head-on sphere collision
- blackout85
- · Replies 3 ·
Calculating Rotational Velocity and Force on a Loop-the-Loop Track
- cd80187
- · Replies 10 ·
Energy of Oscillation for a Small Line Segment
- lizzyb
- · Replies 6 ·
How Do You Calculate the Equivalent Capacitance in This Complex Circuit?
- fccniy
- · Replies 1 ·
Calculating Moment of Inertia of Long, Thin Rod w/ Varying Mass Density
- factor
- · Replies 1 ·
Ate of energy transfer by sinusoidal waves on a string q
- lizzyb
- · Replies 2 ·
What are some practical investigation ideas for A-level physics coursework?
- k6666
- · Replies 1 ·
Constant velocity and the coefficient of kinetic friction
- kinthos
- · Replies 5 ·
Angular Acceleration: Propellor on Boat Increases from 50 to 150 rev/min
- petal5
- · Replies 2 ·
What is the angular velocity and kinetic energy of a cockroach-disk system?
- cd80187
- · Replies 6 ·
How Do You Calculate the Frictional Torque and Stopping Time of a Rotating Disc?
- phalanx123
- · Replies 2 ·
What is the Mass of the Uniform Disk Used as a Cam on a Vertical Shaft?
- Soaring Crane
- · Replies 2 ·
Maximum Applied Force for No Slippage in Angular Motion
- nocloud
- · Replies 11 ·
Gravitational Attraction at Equator
- Felin
- · Replies 1 ·
Solving: secx=-5.2, 0≤x≤2π: Why Only 1 Answer?
- Destrio
- · Replies 1 ·
How does yo-yo radius and mass affect moment of inertia in a yo-yo challenge?
- Smartguy
- · Replies 1 ·
Can you cool off the kitchen by leaving the refrigerator door open?
- AzMaphysics
- · Replies 9 ·
Force on an electron from changing magnetic field
- edlin
- · Replies 3 ·
Centripetal Force, Tension, Circular Motion
- twotaileddemon
- · Replies 13 ·
Is Launching a Satellite Eastward More Efficient Due to Earth's Rotation?
- Soaring Crane
- · Replies 2 ·
Satellite question. find mass of planet and weight on planet?
- physics1007
- · Replies 2 ·