Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Does Clothesline Sag Affect Laundry Load Capacity? Find Out Here!
- dvyu
- · Replies 6 ·
How Long Would an Electron Take to Spiral into the Nucleus?
- WolfOfTheSteps
- · Replies 9 ·
Does a stiff spring damp faster than a less stiff spring?
- a seeker
- · Replies 17 ·
Measure weight of object hanging from a spring
- kitty9035
- · Replies 2 ·
Determining the Density of a sphere.
- teamsoulglo
- · Replies 6 ·
Two charged spheres with -12µC total charge and 10.8 N attraction
- SheldonG
- · Replies 7 ·
Answer Elastic Collisions: Can It Be Solved Easily?
- cepheid
- · Replies 3 ·
Is Group Velocity Merely a Mathematical Concept Compared to Phase Velocity?
- neelakash
- · Replies 1 ·
How Do You Analyze Particle Motion Given a Position Function?
- spin360
- · Replies 2 ·
How Does Kinetic and Potential Energy Explain Everyday Physics?
- pharm89
- · Replies 3 ·
Particle Motion: Finding Position, Velocity, and Acceleration at a Given Time
- spin360
- · Replies 4 ·
Finding the point where Earth and Moon's gravitational forces cancel
- Raza
- · Replies 3 ·
I want to know if there are many development on transformers.
- Bez
- · Replies 2 ·
Astronaut and Satellite Separation Speeds
- meran
- · Replies 3 ·
How Fast Must Wind Blow to Lift an Aluminum Sheet?
- holdenthefuries
- · Replies 2 ·
Calculate the work done by the mover
- raman911
- · Replies 12 ·
Finding angular acceleration as a function of time.
- Trojanof01
- · Replies 4 ·
Determining Force Exerted by Foot While Walking
- emz500
- · Replies 10 ·
Magnetic Flux Through a Wire Coil
- cepheid
- · Replies 1 ·
Kinetic energy and force for a 14 kg projectile in a 3 m canon barrel
- raman911
- · Replies 6 ·
Projectile Motion of Flying Balloon
- transcendental
- · Replies 3 ·
Calculate the forces of a mover pushing a crate
- raman911
- · Replies 14 ·
AP Physics free response practice help
- harmonicmotion
- · Replies 59 ·
Doppler effect Indianapolis 500 problem
- RedHotLlama18
- · Replies 3 ·
Reduce the volume of aluminumm by 10%
- iceman_ch
- · Replies 6 ·
World's largest guitar - frequency of vibration
- Kimisaishime
- · Replies 5 ·
How much fluorine replaces 25 kg of oxygen at lower pressure?
- bpw91284
- · Replies 14 ·
Mass with friction sliding into spring, compressing and bouncing back
- stacerho
- · Replies 6 ·
Torque on a block with acceleration 4i-3j.
- chouZ
- · Replies 3 ·
Angular speed of a swinging rod
- chouZ
- · Replies 4 ·
Why is the reaction force angled upwards on a flat drawbridge?
- danago
- · Replies 4 ·
Does Mass Affect Falling Speed with No Air Resistance?
- AznBoi
- · Replies 7 ·
Understanding Electron Transfer in Static Electricity: Material Influence
- kaya-king cola
- · Replies 3 ·
Moment of inertia of a wagon wheel with eight spokes
- Trojanof01
- · Replies 2 ·
How Do You Calculate the Outcome of an Elastic Collision on Frictionless Slopes?
- stacerho
- · Replies 4 ·
Calculating Oxygen Cylinder Duration
- bpw91284
- · Replies 5 ·
Molecule Kinetics: Calculating Temperature from Speed Upon Moon Re-Entry
- bpw91284
- · Replies 5 ·
How to Solve for the Fractional Change in Temperature in an Adiabatic Process?
- Gyroscope
- · Replies 3 ·
How do I calculate the height on a ramp for a rolling ball?
- sportsnh
- · Replies 2 ·
Air-track cart oscillation: finding time when x=4.6 cm
- jaysea
- · Replies 12 ·
Kinetic Energy and skateboarder
- raman911
- · Replies 13 ·
Simple part of a hard problem involving momentum/kinetic energy conservation
- anightlikethis
- · Replies 3 ·
How Does a Conveyor Belt's Kinetic Energy Change with Gravels?
- avonrepus
- · Replies 1 ·
Solve Series Circuit for RT, IT, I3, V1, V3, V5
- Dazed
- · Replies 3 ·
Centripetal acceleration of a wheel
- future_vet
- · Replies 2 ·
Solving a Simple Harmonic Motion Problem
- stacerho
- · Replies 1 ·
Helium balloon volume ratio at 2530 m altitude
- Rasine
- · Replies 1 ·
Higher resistance of hair dryer
- thschica
- · Replies 1 ·
Calculating Energy of Vibrating String Problem
- e(ho0n3
- · Replies 3 ·
How Does Force Calculation Error Occur in Momentum Problems?
- rootX
- · Replies 1 ·
What Are the Uses and Limitations of Electromagnets?
- Bez
- · Replies 3 ·
Angles of Nodal Lines (Two point light source)
- ND3G
- · Replies 1 ·
Energy, power and staying still.
- Fallen Seraph
- · Replies 7 ·
How Do Pulleys Affect Acceleration and Tension on an Inclined Plane?
- a150daysflood
- · Replies 2 ·
How Does Time Dilation Affect Flight Duration in Special Relativity?
- deenuh20
- · Replies 1 ·
Equilibrium and Potential Energy
- xaer04
- · Replies 5 ·
What happens when a low-voltage battery connects to a speaker?
- Bradracer18
- · Replies 4 ·
Simple harmonic motion of small planet
- fruitl00p
- · Replies 23 ·
Induced emf between theh ends of an antenna
- mike1234
- · Replies 2 ·
When does current flow through resistor R from right to left?
- mike1234
- · Replies 3 ·
Two holes in water tank produce streams striking the same floor point
- ruffkilla
- · Replies 11 ·
Will constant torque accelerate an object?
- sportsnh
- · Replies 3 ·
Cannon shell splits at 875 feet, find 5 lb piece velocity
- Aggie
- · Replies 8 ·
Compare torque from force applied at different points
- future_vet
- · Replies 3 ·
Total Momentum of A and B = 2mV0
- kitty9035
- · Replies 4 ·
Motion of charged particles in E and B fields
- georgia
- · Replies 4 ·
Find the power developed by an engine with torque
- J_Martin_2006
- · Replies 5 ·
What Surprises Await the Observer in These Physics Scenarios?
- Andy_ToK
- · Replies 11 ·
What does the y-intercept mean in a 1/p vs 1/s lens experiment?
- Link-
- · Replies 6 ·
Forces between parallel currents
- georgia
- · Replies 1 ·
How Tall Must a Water Column Be to Generate 100mmHg Pressure?
- tandoorichicken
- · Replies 1 ·
Calculate the energy of the proton
- dotcom
- · Replies 1 ·
Bullet Impact Speed Calculation: 2.25x10^3 N/m
- endeavor
- · Replies 1 ·
What Lens Power Does a Student Need for Reading Close-Up Without Contact Lenses?
- 21385
- · Replies 3 ·
Wind will affect the doppler effect?
- Andy_ToK
- · Replies 2 ·
Solving Conservation of Energy Problems
- xRadio
- · Replies 12 ·
How do I solve for total energy using kinetic and potential energy equations?
- xRadio
- · Replies 11 ·
What is the final velocity of two point charges moving away from each other?
- dotcom
- · Replies 5 ·
How do diverging lenses work?
- Aikenfan
- · Replies 6 ·
Help with homework equations
- Aikenfan
- · Replies 3 ·
How Does Beta Radiation Penetration Vary with Aluminium Sheet Thickness?
- robertholmes123
- · Replies 1 ·
How Does Charging a Capacitor Affect the Induced Magnetic Field?
- Sportsman4920
- · Replies 1 ·
Sinusoidal Wave: Double Frequency, Double Speed
- Andy_ToK
- · Replies 2 ·
Standing Waves on a String with a Free End
- e(ho0n3
- · Replies 6 ·
Period of a pendulum in a rotating coordinate system
- ataglance05
- · Replies 1 ·
Will the Block Slide or Tip Over on an Inclined Plane?
- psycovic23
- · Replies 2 ·
How Deep Does the Trampoline Spring Compress Under a 60kg Load?
- imontoya
- · Replies 1 ·
Second order circuit with two resistors, inductors and current source
- VinnyCee
- · Replies 17 ·
Sound interference with two sources 2m apart
- r_maths
- · Replies 3 ·
What is the Differential Equation for the Current in an Auto Induction Circuit?
- toetoe
- · Replies 3 ·
Second Order Op Amp circuit: Find Vo for t > 0
- VinnyCee
- · Replies 1 ·
Solving Impedance/Admittance for V_s w/ 2 Caps, 2 Inductors, 2 Res.
- VinnyCee
- · Replies 1 ·
Solving Pendulum Dynamics on a Rotating Platform
- ataglance05
- · Replies 2 ·
What Is the Pressure Inside a Bubble 4.0 m Below the Surface of Ethyl Alcohol?
- davidatwayne
- · Replies 3 ·
Capacitor made from pie tins and Kirchhoff's circuit problem
- Nick L
- · Replies 1 ·
Wavelength of visible light under a oil leak
- jarod
- · Replies 3 ·
Solve Equilibrium Problem: Brian from Chico State
- waterfolwer
- · Replies 3 ·
Proton in accelerator and magnetic field: work, velocity, radius, period, pitch
- nitrik
- · Replies 1 ·
Center of Mass, Momentum, and you
- Devrin
- · Replies 2 ·
Object launched from cliff with 50 ft/sec thrust for 2 seconds
- MC Escher
- · Replies 16 ·