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 the Height and Time of a Kicked Stone
- xplozno8
- · Replies 1 ·
Calculating Resultant Velocity of Airplane in Different Wind Conditions
- brittbratt117
- · Replies 2 ·
How Does Rocket Fuel Consumption Impact Acceleration?
- mit_hacker
- · Replies 5 ·
When does car B catch up to car A?
- 4ertenok_1981
- · Replies 15 ·
Projectile Range: Why 45 Degrees?
- skull
- · Replies 1 ·
Calculating Acceleration of a Pulley Off 6-Story Building
- vericolorful
- · Replies 1 ·
How Do You Calculate the Initial Velocity and Tower Height in Projectile Motion?
- scorpion990
- · Replies 9 ·
Maxwell-Boltzmann Distribution and average speed
- Math Jeans
- · Replies 3 ·
Volume charge density from electric field in spherical coordinates
- EricVT
- · Replies 7 ·
How Long Does It Take a Thrown Ball to Reach a Wall?
- B-80
- · Replies 1 ·
Why are Taylor series useful and how do you derive them?
- Oblio
- · Replies 57 ·
How Do You Calculate Acceleration and Angle from Multiple Forces in Physics?
- alexandra91
- · Replies 3 ·
Velocity is Relative: Reference Frames
- DeaZ
- · Replies 1 ·
Rotational inertia of hoop and square frame about vertical axis
- mircobot
- · Replies 28 ·
Conservation of Energy Problems
- eraemia
- · Replies 15 ·
Dual Vector Spaces: Understand What They Are
- Ateowa
- · Replies 2 ·
How Do Projections and the Cauchy-Schwarz Inequality Connect in Linear Algebra?
- braindead101
- · Replies 14 ·
How Far Does a Runner Travel with Varying Speeds?
- rgluckin
- · Replies 3 ·
Calculating Time & Speed of Package Dropped from Plane
- Idealism_Theory
- · Replies 4 ·
Sport car vs runner race, and car braking before barrier
- Rylynn97
- · Replies 1 ·
How close can you get to a stop sign before you start braking?
- bbface_assassin
- · Replies 7 ·
Kinematics - What do these variables mean?
- kbn
- · Replies 3 ·
Use of Complex Numbers in Electromagnetism.
- Himanshu
- · Replies 8 ·
Calculating Power Required for a Tank to Travel Uphill on an Incline
- Jonno
- · Replies 4 ·
Physics Problem involving Kinematics
- bbface_assassin
- · Replies 5 ·
Charge on Parallel Plate Capacitor
- mrlucky0
- · Replies 4 ·
Calculating Position of a Falling Sandbag - Hot Air Balloon Physics Question
- rocomath
- · Replies 1 ·
How Many Revolutions Per Minute to Equal Free-Fall Acceleration?
- coconut88
- · Replies 11 ·
Velocity/Accelration/Displacment all in one question.
- veloix
- · Replies 49 ·
Projectile motion of a football punt
- bob1182006
- · Replies 11 ·
What is the force and tension needed to hold a swinging ball?
- sphykik
- · Replies 24 ·
How Do You Linearize the Equation d=vit + 1/2at^2?
- daewoo
- · Replies 2 ·
Why is π uncertainty 0.04 and not 0.012?
- circuscircus
- · Replies 1 ·
Ball launched throught semicircular chute
- jaded18
- · Replies 11 ·
How can the dolphin reach its home bay while swimming against a river current?
- Snoop06
- · Replies 2 ·
FindingTension, Dissimilar Angles.
- Coquelicotte
- · Replies 3 ·
Projectile Motion of soccer ball
- twotaileddemon
- · Replies 12 ·
Calculating Friction Force in a Truck Accelerating at 2.27 m/s^2
- azila
- · Replies 3 ·
Why are conductors embedded into airplanes?
- indigojoker
- · Replies 3 ·
How to Calculate T2 in a Massless Strings System?
- larla
- · Replies 1 ·
Kinematics Equations: Solve for Stone's Velocity & Time
- CathyLou
- · Replies 7 ·
Newton's second law integration
- Oblio
- · Replies 47 ·
How Do You Normalize Maxwell's Speed Distribution Function?
- prace
- · Replies 8 ·
How Can an Op-Amp Comparator Circuit Monitor Soil Moisture Levels?
- natural
- · Replies 1 ·
How to Calculate the Speed of M2 in a Pulley System After 1.35 Seconds?
- sheri1987
- · Replies 1 ·
Prove that v(t) is any vector that depends on time
- Oblio
- · Replies 31 ·
Field lines of a uniformly charged insulating disk
- tongpu
- · Replies 2 ·
Will Speedy Sue collide with the van in the tunnel?
- saber1357
- · Replies 11 ·
How Do You Solve for Acceleration in a Two-Mass Pulley System?
- sheri1987
- · Replies 2 ·
How Do They Calculate the 9 Degrees in the Force Diagram?
- circuscircus
- · Replies 5 ·
Motion in One Direction: Finding Average Velocity
- saber1357
- · Replies 4 ·
Calculating Ball's Range on Incline 15 Degrees
- P.O.L.A.R
- · Replies 2 ·
Calculating Velocity and Acceleration for a Moving Car
- CursedAntagonis
- · Replies 3 ·
Cavendish Experiment: Significance of Balls
- MarekS
- · Replies 1 ·
Max distance for person to catch up to bus
- circuscircus
- · Replies 1 ·
This seemingly-easy reference problem is making me crazy
- prelic
- · Replies 3 ·
How Does Tension in a String Behave in Zero Gravity?
- Oblio
- · Replies 6 ·
Why cant there be an electric field in a conductor?
- indigojoker
- · Replies 4 ·
Theoretical Range Equation Derivation
- ccsmarty
- · Replies 1 ·
Find the speed of the bird relative to the ground
- devilsangels287
- · Replies 2 ·
Astronaut Acceleration Question
- shell4987
- · Replies 1 ·
Forces on Moon: Weight, Normal Force
- plqaokws
- · Replies 3 ·
Scale in an elevator physics problem
- conniechiwa
- · Replies 9 ·
When to Use mgcos(theta) and mgsin(theta): A Free-Body Diagram Explanation
- SpicyRamen
- · Replies 2 ·
Acceleration vs Time Find Velocity
- circuscircus
- · Replies 6 ·
When Will the Thrown Ball Reach the Ground?
- veloix
- · Replies 12 ·
Dimensional Motion Homework: Find Displacement, Speed, Velocity
- innightmare
- · Replies 14 ·
Free fall acceleration of a bolt
- suxatphysix
- · Replies 14 ·
Finding maximum time before collision between constant-velocity and accelerating car
- CatherineD
- · Replies 1 ·
Constructive and Destructive Interference of Waves at pi/50 Time - Find Points
- Tom McCurdy
- · Replies 1 ·
Basic Thermal Conductivity Question
- Roq
- · Replies 4 ·
Friction Forces and max braking force
- DeadFishFactory
- · Replies 1 ·
Solving Physics Problems: Dropped Stones, Thrown Balls, and Falling Tiles
- SomeHustler
- · Replies 1 ·
How Does Acceleration Affect Constant Velocity in Particle Motion?
- Destrio
- · Replies 1 ·
Monkey climbing rope with tension limit
- sheri1987
- · Replies 5 ·
How can the professor synchronize her students' clocks on a moving spaceship?
- fatfatfat
- · Replies 6 ·
Why does a desk lamp often have small holes at the top of the Metal Lampshad
- rijo664
- · Replies 10 ·
Why Is My Calculation of the Dielectric Constant Incorrect?
- roro0505
- · Replies 1 ·
Mechanical energy required each cycle to operate the refrigerator
- wgd9891
- · Replies 2 ·
Pulling mass on flat plane at an angle.
- TexasCow
- · Replies 5 ·
How long does it take for a package to fall from a hot-air balloon?
- suxatphysix
- · Replies 4 ·
How Do You Calculate Time for a Nonstop 190m Elevator Run?
- blinkbubble
- · Replies 1 ·
How can I convert R to units of ft•lbf/lbmol•°R?
- rootX
- · Replies 4 ·
Why can't I convert temperature units using simple conversions?
- rootX
- · Replies 2 ·
What is the Current in this Circuit with Given Values?
- engineer_dave
- · Replies 9 ·
How do I set up an equation when force is applied at an angle?
- chaotixmonjuish
- · Replies 5 ·
Calculate Contact Force: Car and Truck Collision on Icy Road
- ttk3
- · Replies 2 ·
Calculating 2A + 3(B+C): Vector Addition
- klm
- · Replies 4 ·
Introduction Physics: Free Fall problem
- Ashford
- · Replies 1 ·
Two cars, one accelerating: how far does Tina travel before passing David?
- jdhutto
- · Replies 5 ·
Calculating Maximum Altitude and Time in Air for a Weather Rocket
- jdhutto
- · Replies 2 ·
Calculating Initial Speed - Revisited
- milosport
- · Replies 2 ·
Why Does Distance vs. Velocity Create a Parabolic Graph?
- lawk
- · Replies 2 ·
Motion Problem, Find Average Speed
- circuscircus
- · Replies 3 ·
Speed skater acceleration across rough ice patch
- circuscircus
- · Replies 1 ·
Child sliding down a fire pole with constant acceleration
- Telmob
- · Replies 1 ·
Calculate the Sprinter's Final Speed at the Finish Line
- nerdgirl909
- · Replies 2 ·
At what speed are quadratic and linear drag forces equal for a baseball?
- Oblio
- · Replies 23 ·
Vector Problem-Direction and Magnitude
- baseballer10p
- · Replies 6 ·
What Frequency is Needed for Ultrasonic Cleaning of 3.0 x 10^-2 cm Particles?
- VTC-nerds
- · Replies 3 ·