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 Are the Two Angles for a Fire Hose to Reach 2.0 Meters?
- MIA6
- · Replies 1 ·
Shear force and bending moment diagrams with applied moment
- scotthands
- · Replies 2 ·
Fundamental Frequency of a String
- NeRdHeRd
- · Replies 1 ·
Elevator Forces: Fupward vs Fnet vs a
- MIA6
- · Replies 2 ·
How to Balance Masses for Simultaneous Impact in a Momentum Problem?
- delecticious
- · Replies 4 ·
Verical and Horizontal Circles
- shaheen
- · Replies 6 ·
Car rolling down a hill. How high will it go up another incline?
- Bob Loblaw
- · Replies 3 ·
What Is the Constant Acceleration of the Departing Train?
- sonaguess
- · Replies 2 ·
Calculate Newton's Law Force to Keep Moon in Orbit
- etSahcs12
- · Replies 1 ·
Spring scale reading with equal masses on pulleys
- shiri
- · Replies 6 ·
Model the forces as constant over a short interval of time
- shiri
- · Replies 10 ·
Rocket Momentum: Max Velocity Calculation
- tani
- · Replies 2 ·
Speed of a bullet after passing through a block of mass
- ttk3
- · Replies 3 ·
Vertical Projectile Motion: Finding Speed at Maximum Height
- jaded18
- · Replies 2 ·
Using Atwood's Machine to Measure Time Intervals
- maxxed
- · Replies 2 ·
Multiplication of vector problem
- Adrianw2
- · Replies 3 ·
Why a 30 mph vs. 40 mph Impact Makes a Difference
- Phykid
- · Replies 9 ·
Why do different sources give different distances for the Earth-moon distance?
- pinkyjoshi65
- · Replies 1 ·
Potential Difference and Potential Near a Charged Sheet
- Badger
- · Replies 1 ·
What Forces Act on a Man and Platform System in a Pulley Setup?
- extreme2000
- · Replies 2 ·
Calculating Maximum Speed of a Swinging Girl
- spaumn
- · Replies 2 ·
Calculating Forces on Inclined Surfaces
- sbot
- · Replies 5 ·
Does a brown chicken egg have more strength than a white one
- sciencefairguy
- · Replies 1 ·
How High Does a Ball Go When Thrown Upward at 25m/s?
- JBemp
- · Replies 1 ·
Expressing height in Inverse GeV
- Areid45
- · Replies 1 ·
Electric field at center between two charged 12 cm disks
- skli
- · Replies 1 ·
How Does the Lambda Zero Particle Decay Affect Kinetic Energy and Momentum?
- Fusilli_Jerry89
- · Replies 1 ·
Calculate 0.100 ohms Resistance of 5.46m Lead Strip
- chris85
- · Replies 3 ·
Upward force and tension when helicopter lifts truck
- saber1357
- · Replies 1 ·
How Does Throwing a Ball from a Moving Truck Affect Its Velocity to an Observer?
- CursedAntagonis
- · Replies 9 ·
How High Does the Rocket Clear the Wall?
- Vaalron
- · Replies 5 ·
How Can I Solve These Vector Motion Problems for My Test Tomorrow?
- Houston Suns
- · Replies 5 ·
Ball swinging on a string with a peg in its path
- bulldog23
- · Replies 33 ·
How Can You Reason With a Horse When it Comes to Newton's Laws of Cart Pulling?
- ilkjester
- · Replies 7 ·
What is the initial potential energy in the spring?
- azila
- · Replies 4 ·
Algebraic Equations for Basic Tension in a Hanging Block System
- shotgunbob
- · Replies 3 ·
What Is the Mass of a Book Accelerating on a Wooden Table?
- rfurtado
- · Replies 4 ·
How Do You Calculate Friction Force on an Inclined Ramp?
- gcatal
- · Replies 2 ·
Solving a Drunk Driver's Collision Problem
- DevilishNole
- · Replies 1 ·
Can Normal Force Be Negative in Apparent Weight Calculations?
- BuBbLeS01
- · Replies 1 ·
Calculating Tension in Vines: A 5.0kg Monkey at Rest on Vines A and B
- Fire Slayer
- · Replies 4 ·
Print ViewElectric Potential Energy versus Electric Potential
- Badger
- · Replies 2 ·
Work done by friction on a sliding refrigerator
- kasiu
- · Replies 6 ·
Phase difference and number of wavelengths
- inner08
- · Replies 5 ·
Help with Tension Homework: Calculate Net Upward Force & Tension
- saber1357
- · Replies 8 ·
Laws of Forces and Motion: Block Sliding Down an Incline
- saber1357
- · Replies 4 ·
Torque balance on horizontal beam with cable and hanging load
- koolkris623
- · Replies 15 ·
How Can the Net Force Be 10 N with Forces of 4 N and 10 N?
- jaded18
- · Replies 4 ·
How Does Wind Affect the Frequency of a Vibrating Wire in Its 7th Overtone?
- rteng
- · Replies 19 ·
Coulomb's Law and charged particles
- UNG
- · Replies 47 ·
Find Initial Speed for Olympic Basketball Player to Score
- moronto
- · Replies 1 ·
Make a value scalar or vector?
- spiroth10
- · Replies 2 ·
Gravity at one Earth radius above Earth's surface
- queen of hearts
- · Replies 1 ·
Forces on a 3000 kg elevator at rest and in motion
- pinkyjoshi65
- · Replies 2 ·
What is the coefficient of kinetic friction
- ilkjester
- · Replies 20 ·
Coeffincient of static friction
- pinkyjoshi65
- · Replies 5 ·
Decelerate is often used to indicate that an object is slowing down
- TonkaQD4
- · Replies 6 ·
Tension and normal force on a car held by a cable on a frictionless ramp
- saturn67
- · Replies 18 ·
Questions on Lenses: Projecting a Slide on a Screen
- Obama
- · Replies 4 ·
What is the magnitude of force with which Betty pulls?
- saber1357
- · Replies 3 ·
Magnitude and Direction of Electric Field - Question
- UNG
- · Replies 11 ·
4-digit perfect square with unique digits and prime square root
- Ore4444
- · Replies 9 ·
If her mass is 50.0kg what is the tension on the rope?
- engineer2010
- · Replies 3 ·
What is the Tension on a Spring Scale for an Object on an Incline?
- saber1357
- · Replies 5 ·
Is it possible to have a positive acceleration and slow down?
- TonkaQD4
- · Replies 1 ·
How Do You Calculate the Net Force on a Moving Object Using Newton's Second Law?
- saber1357
- · Replies 2 ·
Calculating Work Against Friction in a Loop-the-Loop Track
- Darthsparerib
- · Replies 6 ·
How Can You Calculate Plane Acceleration with a Watch on a String?
- engineer2010
- · Replies 1 ·
Solving the Superflea Jump Problem: How High Can it Jump?
- sam_hall88
- · Replies 1 ·
Fish shoots water droplet at bug
- ~christina~
- · Replies 7 ·
Determine the magnitude of and direction of the velocity
- azatkgz
- · Replies 4 ·
Relativity - Professor in spaceship examning students
- azatkgz
- · Replies 1 ·
How Much Force is Needed to Accelerate a 1000 kg Car at 2 m/s²?
- screaminseamin1
- · Replies 2 ·
Equilibrium normal reaction force problem
- ThomasHW
- · Replies 4 ·
How Does a Conical Pendulum Maintain Constant Velocity?
- sweetygirl
- · Replies 3 ·
Max and average EMF from rotating dynamo coil
- danago
- · Replies 2 ·
Maximum compression of spring when 1.8 kg block drops from 55 cm
- cd80187
- · Replies 5 ·
Calculating the energy of a hydrogen atom
- Benzoate
- · Replies 2 ·
What Is the Mass of the Caboose After the Collision?
- MooCow
- · Replies 1 ·
Finding friction force on a rolling wheel with applied horizontal force
- snoggerT
- · Replies 1 ·
Calculate the center of mass of a semi-circular metal plate
- mit_hacker
- · Replies 1 ·
Calculating orbital radius and speed of an asteroid in the asteroid belt
- aligass2004
- · Replies 5 ·
What is the relationship between g and a in physics?
- jaded18
- · Replies 2 ·
How Do You Calculate Altitude Changes in Earth's Gravitational Field Strength?
- Jtappan
- · Replies 2 ·
Moment of 2.5 kN force about point C using cross product
- salman213
- · Replies 7 ·
Will the Farmer Move the Stubborn Mule?
- ideefixem
- · Replies 3 ·
How Do You Calculate Normal Force and Work Done in Physics Problems?
- LostInScience
- · Replies 1 ·
When and where do two balls collide if one is thrown horizontally and one drops?
- physics2004
- · Replies 3 ·
Why Is Magnetism So Challenging to Understand in Physics Problems?
- ph0bolus
- · Replies 8 ·
What is the electric field problem involving two point charges?
- Ryo124
- · Replies 3 ·
Gravity Strength: Moon vs Earth Ratio of Height Reached
- physstudent1
- · Replies 3 ·
Forces on Particles: 3 of 4 Forces Acting on 10kg Mass
- ~christina~
- · Replies 2 ·
How much work is done on the car by the rope
- Heat
- · Replies 2 ·
Angular Impulse and Angular Momentum
- krnhseya
- · Replies 2 ·
Acceleration and rotation of centrifuge
- aligass2004
- · Replies 5 ·
Projectile Motion Tossing a Bag from Dayton's to IDS
- ~christina~
- · Replies 13 ·
Normal force and friction coefficient for 517 N package pushed at 50°
- brad_i2001
- · Replies 10 ·
Plane flying crosswind at 120km/h with 50km/h perpendicular wind
- physstudent1
- · Replies 5 ·
How Do You Calculate Equivalent Resistance Using Node Voltage Analysis?
- psycovic23
- · Replies 1 ·
What is the tension in a rope for a moving box in Newton's Second Law?
- ideefixem
- · Replies 5 ·