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 Maximum Height of a Projectile in Fluid Resistance Problem
- KD.PT
- · Replies 1 ·
Find maximum speed of mass on spring
- yosimba2000
- · Replies 3 ·
Football question (kinematics)
- hotshot1kille
- · Replies 2 ·
I coming up with an idea for my UP1 paper
- supahtofu
- · Replies 5 ·
Solving a Warehouse Puzzle: The 20 Kg Crate
- ForceFysics
- · Replies 1 ·
Ball down hill w/ rotational motion
- QuarkCharmer
- · Replies 2 ·
Calculating Total Resistance in a Series-Parallel Circuit
- Theman123
- · Replies 1 ·
What is the Fermi level in band theory?
- logearav
- · Replies 2 ·
Hollow sphere rolling down a slope
- PirateFan308
- · Replies 3 ·
Coefficient of Friction in an inclined plane
- e to the i pi
- · Replies 8 ·
How Do Nitrogen Molecules Accelerate and Exert Force on a Wall?
- okool
- · Replies 3 ·
Drop a stone in a well - Waves problem
- ghostanime2001
- · Replies 2 ·
Inclined plane with friction, find kinetic energy.
- dttah
- · Replies 5 ·
Calculating Magnetic Interactions in Parallel Wires
- choco_moo
- · Replies 13 ·
Angular Momentum: mud hitting door
- PirateFan308
- · Replies 1 ·
Angular momentum raising lowering operator
- v_pino
- · Replies 5 ·
Which travels more slowly in glass, red light or violet light?
- zachcumer
- · Replies 4 ·
Finding Which Resistance and Which Circuit is Series and Which is Parallel
- sunjay03
- · Replies 4 ·
What color light is transmitted through a piece of red glass?
- zachcumer
- · Replies 4 ·
Finding kinetic friction force and coefficient on an inclined plane
- nukeman
- · Replies 1 ·
How Do You Calculate the Decay Constant of Copper 66?
- SarahM975
- · Replies 3 ·
Calculating Power of Pump to Remove Water from Basement
- Hiche
- · Replies 4 ·
Find difference in echo times, doppler shift?
- Angie_Agnes
- · Replies 4 ·
Show what the magnitude of induced emf
- auk411
- · Replies 3 ·
Find inner radius of hollow cylinder given inertia
- alem
- · Replies 2 ·
Rotating Tangent Circles: How Many Revolutions to Return to Same Position?
- sparkle123
- · Replies 5 ·
What is the Angular Acceleration for a Rotating Computer Disk Drive?
- PirateFan308
- · Replies 5 ·
How Do You Calculate the Angular and Linear Speed of a Ball?
- imy786
- · Replies 5 ·
Centripetal acceleration of a geostationary satellite
- MissJewels
- · Replies 7 ·
Electric Field Strength magnitude
- Peter G.
- · Replies 6 ·
Pressure and Height in Liquids: A Container with Different Diameter Tubes
- jasonlaiyh
- · Replies 2 ·
Distance between moon and earth
- phinl
- · Replies 1 ·
Find Pressure amplitude from given decibels
- Angie_Agnes
- · Replies 9 ·
Work done by a variable force question
- Catalytical
- · Replies 4 ·
Magnetostatics - Magnetic Flux + Force
- jegues
- · Replies 1 ·
Finding Force From Potential Energy
- Diff.Ed
- · Replies 1 ·
Explain Force of Thrust Equation: 6N/3.48s
- physicnoob101
- · Replies 3 ·
Hydraulic Brake Problem How to Start?
- DrunkApple
- · Replies 1 ·
Force due to pressure on barrel lid
- rubenhero
- · Replies 9 ·
Adding and subtracting vectors in component form
- mathkillsalot
- · Replies 2 ·
Finding mass and speed of second car in elastic collision
- tehjinxman
- · Replies 3 ·
Calculating Tension in Suspended Ball with Angles
- Maty
- · Replies 10 ·
Acceleration of a Block at an Incline
- sess
- · Replies 5 ·
Ball on String, Harmonic Motion
- Badre
- · Replies 1 ·
Conservation of energy (Ramp question) - Thanks
- nukeman
- · Replies 2 ·
Elastic Potential Energy and velocity of spring
- euphoriax
- · Replies 3 ·
What type of collision occurred?
- pacce
- · Replies 1 ·
Angular velocity of a rod rotating around a vertical axis
- alaix
- · Replies 1 ·
Finding velocity when onlu a mass and acceleration is given
- mkmaitla
- · Replies 5 ·
Cummulative blocks on a rope, tension problem
- ms.tangential
- · Replies 8 ·
Derivative of r-hat with respect to theta in cylindrical coordinates
- khfrekek1992
- · Replies 4 ·
Conservation of Momentum and Relative Velocity Problem
- whoareyou
- · Replies 5 ·
Does a tossed ball take the same time to fall as a dropped ball?
- phizics09
- · Replies 5 ·
Energy needed to pull parallel plate capacitor
- kishor7km
- · Replies 8 ·
What Is the Impulse Imparted to a Soccer Ball When 'Heading' It?
- Becca93
- · Replies 3 ·
Wire loop parallel to and above an infinite plane of iron
- khfrekek1992
- · Replies 2 ·
Escape Velocity of the Milky Way
- J.Welder12
- · Replies 1 ·
What is d(theta-hat)/d(theta) in Cylindrical Coordinates?
- khfrekek1992
- · Replies 2 ·
Pressure and Bernoulli + Continuity
- physgrl
- · Replies 2 ·
Magnet's attraction/rejection Force
- chui
- · Replies 13 ·
Angular energy vs translational energy
- GnG.Vike13
- · Replies 5 ·
Calculate Rocket Thrust Force of 90g Rocket Achieving 80m/s in 3.0s
- Sucks@Physics
- · Replies 14 ·
Newton's Third as logical device to make sense of 1st two laws
- \Ron
- · Replies 1 ·
Torque and Massless beam with Two Objects
- kid0
- · Replies 1 ·
Calculating Work and Energy in a Spring-Block System
- gpber94
- · Replies 1 ·
Position of a particle is given by x = (2 cm) cos 10πt
- laser123
- · Replies 2 ·
Momentum elastic colliion in 2D
- euphoriax
- · Replies 1 ·
Solution verification for various problems
- redwhite
- · Replies 5 ·
Horizontal Force on a Ramp required to Accelerate a Mass
- GiantCube
- · Replies 2 ·
Hollow Rolling Sphere up incline
- jjd101
- · Replies 7 ·
Finding the Velocity of a Swinging Ball Around a Post
- jjd101
- · Replies 10 ·
Finding eyepiece focal length to resolve 7 km features on the Moon
- grouper
- · Replies 1 ·
Minimum angular separation for viewing stars
- grouper
- · Replies 6 ·
Normal force on a mass sliding inside a hoop at 27 degrees
- Becca93
- · Replies 3 ·
Tension Force Calculation for George of the Jungle
- hinamori88
- · Replies 1 ·
Magnetic Field Outside Infinite Solenoid
- jegues
- · Replies 1 ·
How Do You Calculate the Center of Mass for an Isosceles Triangle?
- jncarter
- · Replies 2 ·
Magnitude and direction of tension in a suspended and frictionless pulley
- Velh
- · Replies 3 ·
Block Collides With Horizontal Spring
- Becca93
- · Replies 1 ·
How far does the dart travel horizontally?
- Becca93
- · Replies 1 ·
Volumetric expansion Kelvin required?
- litzkrieg
- · Replies 1 ·
What is the Pressure on Snow from a Person Standing on Snowshoes?
- physgrl
- · Replies 6 ·
Velocity of Roller Coaster at Top of Loop - Find the Answer!
- hinamori88
- · Replies 1 ·
F = m * (0.85 Hz)^2 * 2πm = F / (0.85 Hz)^2 * 2π Calculate Mass of Skaters
- hinamori88
- · Replies 3 ·
Unsolvable Angular Momentum Equation for Two Objects?
- athrun200
- · Replies 1 ·
Spring Propels Two Blocks Up Two Ramps
- Becca93
- · Replies 3 ·
Inclined plane/Static Friction Problem
- newport
- · Replies 7 ·
Proving the work-energy theorem for a curved 3D path
- Elysian
- · Replies 1 ·
Ant moving at light speed on expanding balloon
- granpa
- · Replies 34 ·
How Far Will the 3 kg Block Travel Up the Incline?
- jjd101
- · Replies 23 ·
Basic Electronics True or False Questions
- Femme_physics
- · Replies 12 ·
Why is the electric field uniform between parallel plates?
- quark001
- · Replies 7 ·
Mass on an inclined plane with friction
- bmx_Freestyle
- · Replies 3 ·
Finding rocket height from clinometer reading at 50 m distance
- physicnoob101
- · Replies 1 ·
Calculating Spring Stretch in Aircraft Carrier Landing
- jjd101
- · Replies 8 ·
Stirling engine efficiency with diatomic gas and compression ratio
- armolinasf
- · Replies 7 ·
Length contraction problem in special relativity
- woodenbox
- · Replies 3 ·
Finding initial volume in isobaric steam process with dryness fraction
- craglyboy
- · Replies 9 ·
Can an Astronaut Escape an Asteroid with a 1 Meter Jump?
- gagge78
- · Replies 4 ·