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 Long Does It Take an Electron to Accelerate to a Specific Speed?
- minhas510
- · Replies 1 ·
What were Jack and Jill's velocities on the hill?
- gbedenba
- · Replies 2 ·
How Do Magnets Propel the Superman Ride at Magic Mountain?
- mr.coon
- · Replies 2 ·
1 Dimensional Motion with Pulley
- southernguy13
- · Replies 4 ·
Calculating Force to Move Piano Down Ramp
- Payne0511
- · Replies 1 ·
3-dimensional charge density for a finite thin wire
- mjordan2nd
- · Replies 1 ·
Find Components of Velocity U to Collide Particles & Minimize U
- philnow
- · Replies 13 ·
Gas cylinder-volume of air, how long it will last
- NDbogan
- · Replies 6 ·
Two-Dimensional Kinematics: Weightless
- r34racer01
- · Replies 2 ·
Vector Problem: Avg Acc Components
- New-Blu-Blood
- · Replies 1 ·
Where should the proton be placed to balance F?
- macaco
- · Replies 11 ·
Projectile Motion - Initial velocity
- airi
- · Replies 1 ·
Proving Constant Velocity: Graphing and Analyzing Data
- totlos
- · Replies 2 ·
What Is the Maximum Acceleration That Keeps Both Suitcases Moving Together?
- CandyApples
- · Replies 2 ·
How Does Latitude Affect the Motion of a Person Standing on Earth?
- SoxFan
- · Replies 1 ·
Power in Circuit: 75W Bulb at 120V Delivers 9kW
- latitude
- · Replies 4 ·
Light is NOT constant relative to the source.
- glover_m
- · Replies 1 ·
How Do You Calculate Average Speed Over Different Speeds?
- monkeycrazy15
- · Replies 5 ·
Okay, so this is probably very easy, just checking the solution
- Adama0905
- · Replies 1 ·
What is the missing factor in this basic linear motion problem?
- Alboin
- · Replies 3 ·
What Are the Forces and Energy Involved in a Block Sliding Down a Ramp?
- CaptainEvil
- · Replies 4 ·
Am i right on this? Newtons secocd law hw problem
- mr.coon
- · Replies 3 ·
Calculating Electrostatic Potential for a Uniformly Charged Sphere
- Fazza3_uae
- · Replies 10 ·
Max Weight for Helium Balloon: Simple Buoyancy Problem Solution
- ChemIsHard
- · Replies 3 ·
How Is Average Speed Calculated for a Round Trip with a Lunch Break?
- black_hole
- · Replies 1 ·
Frame Dependence: Electric and Magnetic Fields Across Inertial Frames
- Starproj
- · Replies 1 ·
What are are the magnitude and direction
- gbedenba
- · Replies 1 ·
Magnitude and direction of ship relative to ground
- physicsquest
- · Replies 1 ·
Which is warmer-dark sunglasses or reading glasses
- NDbogan
- · Replies 3 ·
Determine Dimensions of Physical Quantities: F, p
- you_of_eh
- · Replies 5 ·
How to Solve an Indeterminate Cable System with Multiple Unknowns?
- Puchinita5
- · Replies 1 ·
Simplified Notation: 2.45/2.5x10^17m^-2 - How to Express Correctly
- you_of_eh
- · Replies 1 ·
Projectile motion skateboarder problem
- Chiborino
- · Replies 2 ·
Use Newton's second law to find the net force acting on both blocks
- Zhalfirin88
- · Replies 4 ·
How Do You Calculate the Charge on Beads in a Hemispherical Bowl?
- Hov
- · Replies 10 ·
Magnitude of displacement vector
- physicsquest
- · Replies 5 ·
How many grams of cold water necessary to lower temperature in container
- Paulo Serrano
- · Replies 3 ·
How Is Tension Calculated in an Atwood's Machine?
- martyk
- · Replies 1 ·
Why do cosine and secant have the same sign in all quadrants?
- HussanAli
- · Replies 1 ·
Truck deceleration to prevent box from sliding
- Zhalfirin88
- · Replies 8 ·
What's Incorrect About Calculating Impulse in This Volleyball Spike Example?
- Ion1776
- · Replies 7 ·
Capacitor and Time Varying Potential
- Apteronotus
- · Replies 2 ·
Phy121 are these answers correct?
- PhysicsMark
- · Replies 2 ·
Finding length of airport runway
- NDbogan
- · Replies 8 ·
What must the third displacement be?
- Rker
- · Replies 6 ·
Phase difference in standing waves
- petermer
- · Replies 2 ·
Calculating Average Speed & Time for a Dot on a Spinning Motor
- sportzmaniac
- · Replies 2 ·
How High Does the Ball Hit the Cliff?
- Bryon
- · Replies 3 ·
Another electrostatics question.
- bitrex
- · Replies 1 ·
Calculating Total Energy from Combined Rotational Motion of Two Spheres
- faklif
- · Replies 2 ·
Finding initial speed given two angles and a distance
- heyhowsitgoin
- · Replies 7 ·
Do You Need the Dielectric Constant of Copper to Find Capacitance?
- Oijl
- · Replies 1 ·
What is the frequency range of ultraviolet radiation?
- wilson_chem90
- · Replies 4 ·
Calculating Frictional Force in a Sliding Box Experiment
- laughingcat
- · Replies 2 ·
Solving Ball Throw Problem: Velocity & Distance for Boy & Dog
- k2var2002
- · Replies 4 ·
Finding g,time,&height with magnitude of velocity
- k2var2002
- · Replies 4 ·
Kinematics Problem but not enough information?
- intriqet
- · Replies 8 ·
Determining Net Force Based on Motion Diagram
- Anirak
- · Replies 6 ·
Time-Dependent Force: Solving for Speed & Displacement
- bolivartech
- · Replies 1 ·
NASA Free-Fall Research: Solving Problems with Kinematic Equations
- intriqet
- · Replies 2 ·
Discover the Most Likely Room Temperature for Jack's Heat Experiment
- klng
- · Replies 2 ·
Charge inside and outside coaxial cable
- bitrex
- · Replies 3 ·
How Many Electrons Cause a Spark in a Parallel-Plate Capacitor?
- KillerZ
- · Replies 7 ·
What is the concept of average force and how is it calculated?
- jeansbeans
- · Replies 1 ·
Friction Experiment: Understanding Necessity & Sources of Error
- chrisfnet
- · Replies 4 ·
Calculating the Velocity of a Rock Thrown from a Building Roof
- magasiki
- · Replies 3 ·
How Do You Calculate the Initial Speed of a Baseball in a 2D Motion Problem?
- wwommack
- · Replies 1 ·
Rock's Max Horizontal Distance from Volcano: 500m
- peace1709
- · Replies 6 ·
Circuit Switch Disconnecting Battery
- Oijl
- · Replies 8 ·
HELP -How many meters does it take for a car to stop?
- merceb49
- · Replies 8 ·
How Do You Verify Calculations in a Parallel Circuit Problem?
- Tedh
- · Replies 1 ·
Derive the expression for isothermal change in Constant Volume Heat Capacity
- eagerbeaver92
- · Replies 1 ·
What is the Angle and Normal Force in a Towing Scenario?
- bolivartech
- · Replies 6 ·
Helicopter and Kinematics Problem
- intriqet
- · Replies 5 ·
How do i find the mass of a mysteryious object?
- elpermic
- · Replies 3 ·
Analyzing motion diagrams (easy)
- samxel
- · Replies 1 ·
Calculate Vertical Displacement in Stunt Jump | 2D Motion Physics Problem
- wwommack
- · Replies 1 ·
Projectile Motion Ball Problem help
- Nanofan01
- · Replies 1 ·
Friction problem with hardly any variables given
- mooney82
- · Replies 5 ·
Electromagnetic Waves (concept)
- calvert11
- · Replies 1 ·
Potentials of Hollow and Solid Spheres
- cwatki14
- · Replies 1 ·
Find the acceleration of the smaller mass. Pulley physics
- kashiark
- · Replies 21 ·
How Far Will a Skier Land After a Flying Ski Jump?
- physicsquest
- · Replies 2 ·
Frictional Forces and Coefficients of Friction [Need help]
- tutojean
- · Replies 1 ·
Calculating Charge & Radius of a Van der Graaff Generator Dome
- riincanavi1
- · Replies 1 ·
How Do You Calculate Forces in Circular Motion and Friction for Moving Objects?
- tjohn101
- · Replies 1 ·
Calculating Impulse and Mass of a Basketball
- giboneal
- · Replies 1 ·
Fluid Mechanics: Differential Hg Manometer
- nicmat42
- · Replies 1 ·
Inelastic Collisions: Calculating Momentum
- jmaier1
- · Replies 1 ·
Golf Ball Flight: Solving for Initial Speed & Max Height
- wwommack
- · Replies 1 ·
Jumping Flea - Simple Kinematics
- JG89
- · Replies 1 ·
Physics; two forces on an object
- triplel777
- · Replies 3 ·
Variably Solving for Minimum Tangential Speed
- CandyApples
- · Replies 1 ·
Lab Experiment - Uniformly Accelerated Linear Motion
- Simply Is
- · Replies 4 ·
Magnitude in force of two blocks connected by rope.
- asdehaan
- · Replies 2 ·
How Do You Calculate Angular Acceleration and Speed from a Position Function?
- Fihzix
- · Replies 16 ·
Would a digital multimeter contain an A/D system?
- nargle
- · Replies 2 ·
Finding Range of Possible Pitching Speeds
- Mirole
- · Replies 3 ·
Suspended object, two rope system
- Nal101
- · Replies 5 ·
Analyzing Forces on a Block: A Scientific Approach
- Nal101
- · Replies 3 ·