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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What Is Theta Critical for an Object on an Inclined Plane?
- pyrojelli
- · Replies 1 ·
Does Tension Do Any Work in Uniform Circular Motion?
- Heat
- · Replies 1 ·
Find Max Weight of Block A to Keep Block B Stationary
- bob1182006
- · Replies 1 ·
Time constant of an LRC circuit
- eljaydub
- · Replies 2 ·
Percentage Error for Length & PD Measurement Questions
- fickle
- · Replies 13 ·
Solving a Ski Slope: Length & Time for Descent
- HT3
- · Replies 3 ·
Vector Change in Velocity: What is the Resultant Velocity after a Right Turn?
- henry2221
- · Replies 15 ·
Solve Velocity Problems: Homework Statement & Equations
- Jath
- · Replies 2 ·
The Tension Force and Equilibrium
- Gannon
- · Replies 8 ·
Need help on a max and min force question
- pcandrepair
- · Replies 24 ·
Solving the logistic growth model
- jwang34
- · Replies 5 ·
Rotational Motion- Pulleys with Friction
- danield
- · Replies 2 ·
Calculating Tension and Reaction Forces in an Overhead Garage Door System
- Jaspworld
- · Replies 3 ·
Find lowest resonant frequence on this string
- Saladsamurai
- · Replies 1 ·
Will Either Rope Break Supporting a 1000kg Steel Beam?
- circuscircus
- · Replies 1 ·
Objects of the different masses fall at the same speed
- babyc
- · Replies 2 ·
Calculating Braking Time for 800 kg Car
- lindzpooh
- · Replies 3 ·
Raising a load of bricks from the ground
- lindzpooh
- · Replies 3 ·
Calculating Work in Physics: Forces and Friction Explained
- Heat
- · Replies 1 ·
Initial kinetic energy homework
- lindzpooh
- · Replies 3 ·
Determine the acceleration of the book
- xCanx
- · Replies 2 ·
Solve Rolling Friction: Coefficient of Friction
- Heat
- · Replies 7 ·
How Do You Calculate the Tension in Cables Suspending a Loudspeaker?
- circuscircus
- · Replies 2 ·
Work Done by Gas: Pressure, Volume, and Energy
- Ahmed Abdullah
- · Replies 9 ·
Finding the Balance Point of Gravitational Forces Between Earth and Moon
- smileandbehappy
- · Replies 6 ·
Heat Capacity of Air at Constant Volume
- s.p.q.r
- · Replies 10 ·
Height and Weight Calculations for Cosmoclock 21 Ferris Wheel
- Abarak
- · Replies 13 ·
Skid to Stop Formula Proven for 13000 & 2000 kg Vehicles
- Probie
- · Replies 4 ·
How can I get help with my physics homework?
- Jhevon
- · Replies 3 ·
How Far Downstream Will a Swimmer Land in a River Current?
- kjanem89
- · Replies 1 ·
Convert 200km/h to m/s - 3.6 Calculation Explained
- aksarb
- · Replies 3 ·
Deriving the velocity from a distance equation
- ~christina~
- · Replies 8 ·
A question about velocity and collision btw. tennis ball and bat
- EriqueSherman
- · Replies 3 ·
Vector Space: Fifth-Degree Polynomials
- eyehategod
- · Replies 1 ·
Why Is Calculating the Centripetal Force in a Bohr Atom Challenging?
- veloix
- · Replies 7 ·
How to Measure the Time Period of Vertical Oscillations | Exam Preparation Tips
- MightyHound
- · Replies 1 ·
Solving the Balanced Board Problem
- splac6996
- · Replies 3 ·
Velocity and distance of walking backpacker
- vkrock
- · Replies 12 ·
Parachute but with no given mass.
- quiksilver2871
- · Replies 1 ·
How Does Aerodynamic Drag Influence the Space Shuttle's Orbit Duration?
- quiksilver2871
- · Replies 13 ·
Opera singer and crystal goblet
- cctroublemaker
- · Replies 1 ·
Solving Particles Colliding Homework: Mass of Struck Particle
- kateman
- · Replies 10 ·
Procedure for calibrating the force probe
- smh745
- · Replies 1 ·
Finding the Center of Mass in an Equilateral Triangle with 3 Equal Masses
- jaded18
- · Replies 3 ·
Electric Field Above Square: Find E-Field at z Height
- nicksauce
- · Replies 1 ·
Conservation of momentum and toboggan
- jaded18
- · Replies 6 ·
Why Use the Least Squares Method for Finding Slope?
- ksaechao
- · Replies 3 ·
Calculating Horizontal Distance of Dart Fired by Child on Incline
- ngoldfarb
- · Replies 1 ·
Electric Field of Two Point Charges on the x-axis
- Ryo124
- · Replies 2 ·
Solve Pelican's Initial Speed & Fish's Horizontal Distance
- jbutl3r25
- · Replies 3 ·
Help how do i find displacement of two vectors?
- pebbles
- · Replies 10 ·
How to Determine Electric Field Strength in a Thunderstorm?
- Ryo124
- · Replies 4 ·
Dynamics of block with friction how to set up?
- fizziksc
- · Replies 1 ·
Calculating Orbital Velocity Change for Rendezvous Problem
- ColdFusion85
- · Replies 9 ·
How do I solve for the release height to land in a hole on a ramp?
- Sean77771
- · Replies 6 ·
Calculating Runway Length and Tension for Transport Plane Takeoff
- Heat
- · Replies 23 ·
How much distance will be covered in the next second with constant acceleration?
- MIA6
- · Replies 12 ·
(Non/)Equlibrium and Newton's Laws of Motion
- Gannon
- · Replies 2 ·
What is the coefficient of kinetic friction between the pig and the slide?
- B-80
- · Replies 4 ·
Projectile Motion shot over a cliff
- sw3etazngyrl
- · Replies 1 ·
How Does a 45 Degree Angle Affect Boat Navigation in a River Current?
- sw3etazngyrl
- · Replies 1 ·
What is and how do we derive force (F) opposite the force of friction (Ff)?
- pyrojelli
- · Replies 1 ·
Solving Two Homework Problems: Work, Power, and Speed Calculations
- kello2008
- · Replies 3 ·
What are the equations for equilibrium in a pulley system?
- anglum
- · Replies 12 ·
Maximum Speed and Banked Turns in Circular Motion
- Sean77771
- · Replies 2 ·
Kinematics of 2-D Ball Rolling Off Table
- jedjj
- · Replies 2 ·
How Far Will the Spring Compress When a Box Falls on It?
- DeadFishFactory
- · Replies 1 ·
Calculating Frictional Force with Angles
- confusseed
- · Replies 6 ·
Electron and proton separation in a hydrogen atom
- 22791
- · Replies 1 ·
Van de Graaff Problem: Solve for Electric Field Strength
- Ryo124
- · Replies 4 ·
Calculating Artificial Gravity in Rotating Space Station
- Elusion
- · Replies 1 ·
Calculating the Force Needed to Slide a 400 N Box Up a Ramp
- brad_i2001
- · Replies 2 ·
Finding B Using Cross Product in Magnetic Force Equation
- proton
- · Replies 3 ·
Determine the car's displacement
- etSahcs12
- · Replies 12 ·
Is Newton's Third Law Violated in Electromagnetism?
- loom91
- · Replies 3 ·
Reviewing for exam-how would i find the displacement of two vectors?
- pebbles
- · Replies 3 ·
Hooke's Law: Solve Work Problem at MIT East Campus Dorms
- shell4987
- · Replies 2 ·
Work Done by Skier on Ski Slope: Calculate & Find Speed
- Phykid
- · Replies 2 ·
What is the height of the cliff above the water?
- aksarb
- · Replies 4 ·
How Fast Does a Boulder Roll Downhill After a Tremor?
- etSahcs12
- · Replies 1 ·
Calculating Angle for Water Rolling on Glass Plane
- Winzer
- · Replies 1 ·
Acceleration, magnitude, displacement.
- mimibajiduh
- · Replies 2 ·
Elastic Potential Energy stored in rubber band
- Phykid
- · Replies 11 ·
Solving Acceleration of Blocks in Pulley System
- Thomas_
- · Replies 4 ·
How to Determine the Electric Field at a Specific Point?
- aliaze1
- · Replies 6 ·
Maximizing Projectile Range on a Slope: Finding the Optimal Angle Alpha
- FissionMan1
- · Replies 7 ·
Universal law of gravity involving ratios
- Rgonzales
- · Replies 6 ·
Special relativity of a triangle
- Niles
- · Replies 5 ·
How Is the Minimum Coefficient of Static Friction Calculated for a Banked Curve?
- hollystella
- · Replies 6 ·
E&M Electric Fields (Harmonic Motion?)
- physicsnewblol
- · Replies 5 ·
Finding Mass and Distance using apparent Weight
- iHate Physics
- · Replies 17 ·
How Does Friction Affect Tension in a Pulley System?
- PhysicsDork
- · Replies 1 ·
Simple harmonic motion: platform
- Kushal
- · Replies 1 ·
Critically Damped Harmonic System
- sTrEsSeD
- · Replies 3 ·
Centripetal Acceleration of bicyclist
- sylenteck0
- · Replies 5 ·
How Does Human Reaction Time Affect Car Stopping Distances?
- JDR 007
- · Replies 1 ·
Answer: Work Needed to Compress Spring 4 cm
- kring_c14
- · Replies 2 ·
How Does the Slope Change with Ramp Angle in Galileo's Experiment?
- ksaechao
- · Replies 1 ·
Turning points of a classical harmonic oscillator
- ehrenfest
- · Replies 1 ·