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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True or false questions on vectors and vector components
- deaninator
- · Replies 5 ·
Man and Woman on Boat - Velocity of Boat after Dive
- JJBladester
- · Replies 9 ·
Electric potential at point x on the axis of a ring of charge density eta
- Bng1290
- · Replies 2 ·
Help! Calculating Capacitance from Voltage & Charge
- nw0rbrolyat
- · Replies 4 ·
Charge and Potential Difference on 2 Capacitors
- nw0rbrolyat
- · Replies 4 ·
Determine the max height of the shell
- bazinga
- · Replies 4 ·
Can a Liquid Column Exist Above a Hole When Pressure Drops from 2Patm to Patm?
- zorro
- · Replies 2 ·
Solving Kinetic Theory Homework: Work Done By External Agent
- zorro
- · Replies 10 ·
Why Was FNetx Changed to ma in the Physics Problem?
- aprilrenee
- · Replies 1 ·
The skaters are pushing each other, find the ratio of their speed?
- pstrokeslibs
- · Replies 1 ·
Does the Mass Affect the Damping Coefficient in Spring Oscillations?
- INeedHelpTY
- · Replies 2 ·
Harmonic Probability Homework Solution
- poobar
- · Replies 2 ·
What Is the Maximum Tangential Acceleration Before a Car's Wheels Start to Spin?
- Roushrsh
- · Replies 6 ·
Why Does the Current Halve at This Frequency in an AC Series Circuit?
- sma235
- · Replies 1 ·
Magnetic field of solenoid with wire resistance
- Booney
- · Replies 4 ·
Vector Analysis of Throwing a Ball from a Moving Car to a Stationary Target
- nosrepesJD
- · Replies 1 ·
What is the electric potential energy?
- ohheytai
- · Replies 1 ·
Sinusoidal Waves homework help
- PhysLiz
- · Replies 2 ·
Conservation of Energy in a Block-Spring System
- PhysLiz
- · Replies 1 ·
Juggling/Projectile Motion problem
- qswdefrg
- · Replies 1 ·
Is Work Only Done When Energy Forms Change?
- nicknaq
- · Replies 4 ·
Problem with object moving up an incline.
- pokeefer
- · Replies 2 ·
Momentum: Person drops out of a Hanglider
- huynhtn2
- · Replies 2 ·
Locating center of mass for hollowed out sphere
- astenroo
- · Replies 17 ·
Frictionless blocks and a pulley with force F
- zwingtip
- · Replies 2 ·
Finding the angle in a Uniform Circular Motion problem?
- daniiela
- · Replies 1 ·
Solving for Speed After Man Shoves Stone: A Misstep?
- apiwowar
- · Replies 4 ·
Momentum: When a bowling ball hits a golf ball
- huynhtn2
- · Replies 1 ·
Impulse-momentum problem (tractor trailer)
- JJBladester
- · Replies 12 ·
Under what conditions is a pendulum a Simple Harmonic Oscillator, why?
- MetalManuel
- · Replies 3 ·
Calculating Rolling Friction Coefficient u_r
- ndn_ninja15
- · Replies 1 ·
What is the Correct Force Needed to Slow a Drag Racer with a Chute?
- physics114
- · Replies 3 ·
Signals sent during relativistic space travel
- Oijl
- · Replies 3 ·
Angular Momentum and Torque Problem
- Joules6626
- · Replies 9 ·
Tension of string when an impulse is applied
- jessicaw
- · Replies 6 ·
Determine the average force of the wind on the building
- Fisicks
- · Replies 2 ·
Is the Gas Heated and Cooled Equally in Phase C->D on the Pressure/Volume Graph?
- fawk3s
- · Replies 7 ·
Calculating Meteoroid Speeds on a Collision Course with Earth
- Winegar12
- · Replies 8 ·
What Determines the Velocity of a Falling Chain?
- jessicaw
- · Replies 12 ·
Normal Force - Car over a Circular Arc
- nicknaq
- · Replies 4 ·
How to Calculate the Center of Mass of a Semicircular Disk from an Arc?
- jessicaw
- · Replies 5 ·
Acceleration Homework: Solving a Simple Question with Equations
- Kingsley
- · Replies 5 ·
Find Function R(z) for Coin Rolling in Funnel
- jaykay99
- · Replies 5 ·
Suitcase and Upward Acceleration
- physics114
- · Replies 1 ·
What are the Impulse and Forces Involved in a Fire Hose Collision?
- maskedup
- · Replies 5 ·
Heat Flow in Three Identical Rods of Metal
- zorro
- · Replies 3 ·
Shopping Carts, Finding Horizontal Force
- physics114
- · Replies 2 ·
Ship at Sea, Apparent Weight Problem
- physics114
- · Replies 1 ·
Maximum Kinetic Energy in Comton Scattering
- samuelyee
- · Replies 1 ·
Tangential Velocity Homework: Calc Attractive Energy/Force & Find Min Velocity
- Priscilla
- · Replies 4 ·
How Does the Energy Principle Help Calculate Work Needed to Move a Satellite?
- Kibbel
- · Replies 3 ·
Work, Kinetic energy, and power question
- Puk3s
- · Replies 1 ·
Contact Forces HW Problem with Three Boxes
- physics114
- · Replies 3 ·
Can you help with questions 4 and 7 on the attached template?
- Elizabeth12
- · Replies 1 ·
Finding kinetic friction coefficient from block acceleration on incline
- CeceBear
- · Replies 3 ·
Practical limit on Resolution (Diffraction Grating)
- bphysics
- · Replies 1 ·
Finding total weight of a car/ center mass
- wes335
- · Replies 1 ·
How Do You Calculate the Kinetic Energy of a Meson That Decays into Two Photons?
- Chip90
- · Replies 23 ·
Circular Motion on a Ferris Wheel
- Patdon10
- · Replies 1 ·
Kinematics in Two-Dimensions - Explanation?
- RyanJF
- · Replies 4 ·
How Does Distance from Earth's Center Affect Gravity?
- King Khan
- · Replies 3 ·
Astronaut traveling at constant speed, throws a wrench
- dmitriylm
- · Replies 2 ·
Forces and Hills: Calculating Force of 1967 Corvette on a 17.5° incline
- moondawg
- · Replies 2 ·
Newton's 2nd Law Question (2-Dimensions)
- chroncile
- · Replies 1 ·
Find the average power of the crashed test car.
- pstrokeslibs
- · Replies 4 ·
I have a few questions about partial derivatives and potential functions.
- vande060
- · Replies 1 ·
How Much Force to Keep a 1390 kg Car from Sliding Back on a 17.5° Hill?
- tatiana
- · Replies 1 ·
Frequency, inductance, and capacitance
- taylorjr
- · Replies 1 ·
Solving Homework: Man Pushes 11.2 kg Box
- tatiana
- · Replies 1 ·
How Much Elastic Energy Is Stored in the Achilles Tendon?
- dvolpe
- · Replies 3 ·
Friction help. AP Physics C student
- bobAllan
- · Replies 1 ·
How Does Constant Acceleration Affect a Car's Motion When Braking?
- dandy9
- · Replies 3 ·
Determine average force applied by glove to baseball
- dvolpe
- · Replies 1 ·
How Is Work Calculated When a Block Compresses a Vertical Spring?
- BuBbLeS01
- · Replies 8 ·
Trouble finding the magnitude of a net force required.
- mcaustin
- · Replies 1 ·
Trying to create a simple pendulum angle output on excel
- shocklightnin
- · Replies 3 ·
Unraveling Everyday Mysteries: Water Whirling and Tomato Juice Rings
- Joonasja
- · Replies 1 ·
Do a Coin and Feather Experience Equal Gravitational Forces in a Vacuum?
- gotwind
- · Replies 2 ·
Writing unit vectors in terms of sin/cos?
- cdotter
- · Replies 1 ·
Find equation of state of material usiing its compressability and expansivity.
- owlman76
- · Replies 1 ·
Explaining Everyday Phenomenons: Water Whirling and Rings in Tomato Juice
- Joonasja
- · Replies 1 ·
What is the Static Equilibrium of a Pulley System?
- runningirl
- · Replies 1 ·
Does Shoe Contact Area or Mass Affect Friction Coefficients?
- CHarper1993
- · Replies 1 ·
Bottle Rocket Lab Homework: Calculating Initial Velocity
- lacrosselem
- · Replies 1 ·
Finding AC voltage across Resistor
- Acuben
- · Replies 1 ·
Tension of 2 cables supporting one object
- dorado29
- · Replies 2 ·
What Conservation Laws Apply in a 1-D Collision Involving a Spring?
- beatem
- · Replies 3 ·
What is the Angular Resolution Formula for the Hubble Space Telescope?
- colourpalette
- · Replies 5 ·
IGCSE: Wire carrying a current in a magnetic field
- Peter G.
- · Replies 2 ·
Does Temperature Affect the Accuracy of a Steel Metre Scale?
- zorro
- · Replies 2 ·
What is the relationship between spring constant and stiffness?
- critter
- · Replies 1 ·
Ball bearing launched from point
- colerelm1
- · Replies 2 ·
Pasteurization and Preheating: Calculating Heat Transfer Rates and Cooling Duty
- tweety1234
- · Replies 1 ·
Rotational and Translational Motion
- doopokko
- · Replies 5 ·
Vector And Force Exerted Problems
- qtbuy07
- · Replies 1 ·
Circular Motion of space station
- sk257
- · Replies 2 ·
What is the moment of inertia of the object
- jdgallagher14
- · Replies 3 ·
The maximum height an object on a wire moves after a collision
- imatreyu
- · Replies 3 ·
Does the pressure increase or decrease?
- zorro
- · Replies 10 ·
How far does a block travel before encountering a spring?
- preluderacer
- · Replies 15 ·