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 Power Loss from Voltage Change at 3 Ohms Resistance
- urszula
- · Replies 2 ·
What Is the Minimal Speed for a Car on a Banked Road?
- Skynt
- · Replies 4 ·
How Does the Force to Start and Maintain Car Movement on Asphalt Differ?
- BarCode
- · Replies 2 ·
What Is the Tangential Speed of Your Foot When It Hits the Floor?
- will_lansing
- · Replies 6 ·
How Do You Solve a Momentum Problem Involving Friction and Collision?
- aesofbaes
- · Replies 4 ·
Electrostatic force between charges.
- poltry
- · Replies 1 ·
A simple problem involving motion in two directions
- Bill Foster
- · Replies 8 ·
Springs and friction and energy, etc.
- sadakaa
- · Replies 2 ·
Conservation of Energy and Final Tangential Speed
- Nghi
- · Replies 9 ·
Bilateral and non-bilateral components
- surfer
- · Replies 2 ·
How Does Projectile Motion Apply to a Basketball Dunk?
- ~christina~
- · Replies 6 ·
How Do You Calculate Impulse and Momentum in Physics Problems?
- Draco
- · Replies 7 ·
How Long to Slide Down an Icy Slope When Losing Mass?
- karnten07
- · Replies 9 ·
What is the gravitational potential energy of the obectj
- pola
- · Replies 1 ·
Toy Gyroscope Problem: Finding Angular Speed and Upward Force | Homework Help
- EvanQ
- · Replies 4 ·
Calculating Electric Field in a Charged Tube Using Gauss's Law
- yevi
- · Replies 5 ·
How Does Graphing V vs. I Help Determine E.m.f and Internal Resistance?
- Andresx90
- · Replies 2 ·
What is the net force and power in a lawnmower system?
- physicsperson
- · Replies 7 ·
Free-Body Diagram Homework: Truck Accelerates at Red Light
- CursedAntagonis
- · Replies 2 ·
How Do Voltage Changes Affect Capacitors in a Circuit?
- robbondo
- · Replies 24 ·
What current will allow the wire to float ?
- Xaspire88
- · Replies 3 ·
What Determines the Collision Speed of Two Unequal Mass Asteroids?
- oreostar90
- · Replies 5 ·
Solving Skiing Problems: Net Force, Speed & Free-Body Diagrams
- Oliviam12
- · Replies 7 ·
What is the Type and Cutoff Frequency of this Passive Filter?
- gsan
- · Replies 4 ·
How Do I Solve Part B of the Lennard-Jones Potential Problem?
- Oblio
- · Replies 3 ·
Momentum: Solving Qs on Man Throwing Rocks in Lake
- Arbitrary
- · Replies 1 ·
Physics Quiz: Understanding Forces and Motion
- St@rbury
- · Replies 12 ·
Impulse help emergency.(3 problems)
- crimsonfears
- · Replies 4 ·
9 pm, and still dont understand
- megg0230
- · Replies 6 ·
Wire with Current and electric field
- emtilt
- · Replies 1 ·
Tension in a String just before it breaks (Circular Motion)
- parkskier
- · Replies 4 ·
Weight on a rocket accelerating upward
- Hisui
- · Replies 3 ·
What is the acceleration of the center of mass of the rolling hollow sphere?
- chrismcr
- · Replies 2 ·
How Do You Calculate the Flight and Impact of a Basketball Shot?
- ~christina~
- · Replies 15 ·
Solve Physics F=ma Help Problem
- undyboy91
- · Replies 2 ·
Collision Momentum: Magnitude & Direction
- kmax12
- · Replies 1 ·
Bouncing vs Non-Bouncing Collisions: Impulse Delivery Impact
- kmax12
- · Replies 1 ·
Collision between football players
- kmax12
- · Replies 1 ·
See Saw Balance: Heavier Person & Fulcrum
- Lula Belle
- · Replies 6 ·
What is the altitude above earth's surface?
- oosta
- · Replies 3 ·
Bug lands on a frictionless sphere. Show that the Bug leaves head when
- gills
- · Replies 7 ·
Ray Diagram for Concave Mirror: Image Position & Height
- gamesandmore
- · Replies 6 ·
What Is the Buoyant Force on an Object Submerged in Water?
- Saladsamurai
- · Replies 1 ·
Force on a Slope: Solving for Acceleration
- Hisui
- · Replies 2 ·
Understanding Light and Forces: Solving a Simple Laser Question as a Student
- timhunderwood
- · Replies 3 ·
How do I apply the component method to solve momentum problems in 2 dimensions?
- pinkyjoshi65
- · Replies 3 ·
Light waves vs. mechanical waves
- lah214
- · Replies 3 ·
Centripetal Force: Solving with Tension in a Cylinder
- raman911
- · Replies 18 ·
Forces - Elevator 2 part question
- Larrytsai
- · Replies 4 ·
Impulse, I have found a, b and d
- snipaj9696
- · Replies 1 ·
What Is the Coefficient of Static Friction Between a Block and a Moving Truck?
- Paulbird20
- · Replies 3 ·
Solving for Airtime: Calculating Time in the Air of a Football Thrown at 21 m/s
- eagles_reciever
- · Replies 1 ·
Newton's Forces - Block Down An Incline
- meganw
- · Replies 5 ·
Calculating Nonconservative Energy Loss in Pumped-Storage Reservoirs
- BMW25
- · Replies 1 ·
What are the missing entries in the table for the right hand rule?
- Winzer
- · Replies 3 ·
Solving Centrifugal Force Problems: A Helpful Guide for Students
- agk23
- · Replies 1 ·
Calculating Object Speed: Work, Mass, and Velocity Methods Explained
- EES
- · Replies 1 ·
Projectile Motion: High Jumper Take Off Velocity & Distance from Bar
- pooface
- · Replies 6 ·
What are the steps to find tension in three wires?
- shakejuhn
- · Replies 3 ·
Can Electrons and Protons Create a Neutral Particle at Rest?
- Brewer
- · Replies 5 ·
Euler's Method for 4-D Differential Equation (Computing)
- qspeechc
- · Replies 26 ·
Impulse Chapter 9: Net Force & Velocity Solutions
- snipaj9696
- · Replies 3 ·
Instantaneous velocity and time
- stunning
- · Replies 4 ·
More Work Required for 4kg Lift than 1kg Push
- pinkyjoshi65
- · Replies 11 ·
How Does the Uncertainty Principle Invalidate the Bohr Model?
- 84527
- · Replies 1 ·
How Is Work Calculated When Multiple Forces Act on a Sled?
- Heat
- · Replies 4 ·
Solve for the Maximum Incline | Car Acceleration & Power Problem
- HT3
- · Replies 4 ·
How Do You Calculate Tension and Acceleration in a Rotating Cylinder System?
- Tlocc
- · Replies 8 ·
Young's modulus of spider thread
- faoltaem
- · Replies 5 ·
Tension on a Frictionless Surface
- JeYo
- · Replies 5 ·
Work and Portential Energy (U)
- clipperdude21
- · Replies 7 ·
What Determines the Force Exerted by a Hammerhead in a Pile Driver?
- Heat
- · Replies 1 ·
Find Tension in Wire Used in Teeth Braces
- physicsgene
- · Replies 1 ·
See Saw Balance: Heavy Person & Fulcrum
- Lula Belle
- · Replies 5 ·
Projectile Motion bombarding cancer tumors
- Grapz
- · Replies 2 ·
Friction block traveling problem
- bww
- · Replies 13 ·
Help Needed: Fire Safety Table with Low Numerical Values
- brewster
- · Replies 1 ·
Refractive index, light ray help
- schutzeh
- · Replies 3 ·
Tension in a Rope: Calculate Force for 20kg
- some_guy
- · Replies 4 ·
Inelastic collision energy relationship
- gills
- · Replies 6 ·
How Does Drilling a Hole Affect the Rotational Inertia of a Disk?
- gills
- · Replies 1 ·
Calculating Particle Velocities in a Relativistic System
- Niles
- · Replies 10 ·
Scrodinger equation: infinite square well problem.
- Benzoate
- · Replies 1 ·
Polar coordinates and mechanics question.
- In_Development
- · Replies 2 ·
What is the speed of a BB fired from a spring-compressed BB gun?
- pinkyjoshi65
- · Replies 1 ·
Car Collision: Help Solve Velocity Before Impact
- nhi_nhi017
- · Replies 1 ·
Incline plane and static friction
- linnus
- · Replies 2 ·
Calculating Halley's Comet's Speed at Perihelion
- Jtappan
- · Replies 7 ·
Calculating Normal Force on a Sliding Child - Homework Solution
- linnus
- · Replies 2 ·
Simple Moment of Inertia and uniform bar problem
- GoldShadow
- · Replies 2 ·
Direction of Reaction Force on Beam in Torque Problem
- DANIELLYMA
- · Replies 5 ·
Net Force on a 1kg ball Rolling on a Banked Track
- bww
- · Replies 5 ·
Solving a Pulley Problem: Finding Rope Tension
- Oliviam12
- · Replies 1 ·
Solving Two D Kinematics: Find Acceleration Vector
- Grapz
- · Replies 2 ·
Calculating Net Force and Speed on a Skier: Ramp Problem Explained
- Oliviam12
- · Replies 2 ·
Finding Normal Force on Dolly & Floor Without Mass of Dolly
- jlk
- · Replies 1 ·
How much would the earth recoil or move if (energy/collision?)
- gills
- · Replies 1 ·
Really on simple energy and spring on incline
- B-80
- · Replies 4 ·
Help designing a RC passive high pass filter
- bengaltiger14
- · Replies 4 ·