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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Touque and Work from a Dipole Moment
- Cllzzrd
- · Replies 4 ·
Force exerted by hammer head on a nail
- Supaiku
- · Replies 4 ·
Elastic collision with particle A moving along y-axis after impact
- bobred
- · Replies 3 ·
Simple Circular Motion question
- StephenP91
- · Replies 2 ·
Gravitational Potential Energy Derivation question?
- sponsoredwalk
- · Replies 7 ·
How Do Displacement-Time, Velocity-Time, and Acceleration-Time Graphs Relate?
- Sean1218
- · Replies 3 ·
Deriving the Maximum Speed Equation for Elevator Motors
- heart_of_fire
- · Replies 1 ·
Bouyant force and Water resistance
- theuniverse
- · Replies 1 ·
Limit Calculation for Block Sliding on Lubricated Surface with Quadratic Drag
- Jukai
- · Replies 4 ·
Electric Fields and charges of equal magnitude
- mli273
- · Replies 1 ·
Net Electric Field at the center of a square
- kemcco1955
- · Replies 1 ·
How Is Kinetic Friction Calculated for a Skier on a Horizontal Surface?
- Intrusionv2
- · Replies 4 ·
Surface temperature to Atmospheric temp.
- droseph
- · Replies 1 ·
Finding mass from two strings at angles holding an object
- bigmikelarry
- · Replies 1 ·
Skier on a slope with friction (looking for final velocity)
- Cmertin
- · Replies 1 ·
Where Will the Center of Gravity of the Wooden Plank Be?
- zorro
- · Replies 9 ·
Launching an Object at 73 Degrees: Velocity Calculation
- eestep
- · Replies 5 ·
Electric field of an infinite line charge and a point charge
- amilkovi
- · Replies 1 ·
Flying in a Loop: Plane Speed & Pilot Weight
- PhysicStorm
- · Replies 1 ·
Acceleration with change in direction
- Mavlax
- · Replies 3 ·
Bernoulli's Theorem: Solving a Tank Oil-Water Flow Problem in 32 Seconds
- zorro
- · Replies 4 ·
U-Tube Mass and Pressure Problem
- dspivak01
- · Replies 3 ·
Alpha, beta particle radius of curviture
- pat666
- · Replies 4 ·
Given distance and acceleration, find time
- ScienceGirl90
- · Replies 7 ·
What does the resultant velocity represent in a problem?
- moondawg
- · Replies 1 ·
How to Solve Newton's Laws Problems for a Decelerating Particle?
- EndOfMemories
- · Replies 2 ·
Fishing Line Physics: Finding Time and Velocity
- moondawg
- · Replies 1 ·
What is the distance and speed of a car with constant acceleration?
- ScienceGirl90
- · Replies 4 ·
Minimizing race time over 1 km with given acceleration and deceleration
- student1ds
- · Replies 7 ·
Bird spiraling upward on thermal: circular motion and constant velocity
- cassandralynn
- · Replies 1 ·
Determine Resultant Force-Couple on T6 Vertebra at F2
- pinksunbeam
- · Replies 1 ·
What is the centripetal acceleration of the child?
- Physics_0101
- · Replies 14 ·
Can Projectile Motion Be Solved with Given Initial Speed and Angle Alone?
- cp-svalbard
- · Replies 3 ·
Projectile Motion gravity and acceleration
- 2ndperiod
- · Replies 3 ·
What is The New velocity of the box?
- ohheytai
- · Replies 5 ·
Find Max mass(not weight) supported by an air matress in fresh water.
- dspivak01
- · Replies 1 ·
Find Velocity of Electron: Combining Equations
- Narv
- · Replies 3 ·
Bicycle Forces in Circular Motion
- mmiller9913
- · Replies 1 ·
What Are the Key Formulas for Projectile Motion?
- Neek 007
- · Replies 4 ·
What Is the Effective Target Area per Argon Atom?
- mishima
- · Replies 3 ·
An apparently tricky problem on Friction/Forces.
- cantgetaname
- · Replies 7 ·
Calculating Maximum Speed of a 65.0- fish on an Ideal Spring
- senoltreble
- · Replies 4 ·
Energy of Coaxial Cylindrical Shells
- NeedPhysHelp8
- · Replies 1 ·
Sketching force-time graph from acceleration-time graph
- ihatecats2014
- · Replies 3 ·
Magnetic Force, Electric Force
- eprparadox
- · Replies 1 ·
Work done by a varying force of a block
- eventob
- · Replies 1 ·
Calculating the constant acceleration
- thushanthan
- · Replies 2 ·
Equivalent resistance across a circuit made of 12 resistors
- opencircuit
- · Replies 3 ·
Finding real depth of coin in water with only apparent depth given
- Perpendicular
- · Replies 6 ·
What Is the Upward Acceleration of m2 in a Friction-Influenced Pulley System?
- SilentBlade91
- · Replies 8 ·
Calculating Tension in a Pulley System on a Sloped Surface
- SilentBlade91
- · Replies 6 ·
Why Is the Tension in a Rope Not Zero When Pulled Equally from Both Ends?
- DrummingAtom
- · Replies 8 ·
Elastic Collision between 2 Particles
- Kyliticus
- · Replies 1 ·
Finding support reactions for simply supported beams with multiple loads
- kiteboy
- · Replies 3 ·
Starship + 2 different planets?
- good.you?
- · Replies 3 ·
Tetherball - find theta and tension
- JJBladester
- · Replies 6 ·
What Does an Acceleration-Time Graph Look Like for an Inelastic Collision?
- thereddevils
- · Replies 4 ·
Solving for Velocity Vector Magnitude: 7 m/s and x-Comp: 3 m/s, Find y-Comp"
- thompsonjscot
- · Replies 3 ·
Finding Speed of Efflux for Two Liquids of Different Densities
- zorro
- · Replies 4 ·
Speed VS Time to Position VS Time
- gagneana000
- · Replies 7 ·
Banking angle and curvature radius of an airplane
- lu22
- · Replies 1 ·
Motion in 2 dimension (undergrad level)
- wenkang
- · Replies 2 ·
Bowling ball and force of friction
- ducdat231
- · Replies 3 ·
What is the average speed at a given latitude due to Earth's rotation?
- ScienceGirl90
- · Replies 5 ·
Ball hanging from string, what is tension when at its lowest point?
- racer98jc
- · Replies 3 ·
Finding pressure stratification in a star with linear density profile
- Tsunoyukami
- · Replies 1 ·
Skier acceleration on 30-degree slope with friction
- pb23me
- · Replies 4 ·
Finding Scale Reading with New Resistor in Circuit
- franklinear
- · Replies 13 ·
What Angle Should a Rower Use to Cross a River with a Current?
- environmental
- · Replies 2 ·
Angular velocity, coin on spinning wheel
- racer98jc
- · Replies 1 ·
Tension with circular motion on incline
- racer98jc
- · Replies 4 ·
Coulomb's Law magnitude problem
- Bradman
- · Replies 5 ·
Tensions in Suspended Ball System: Solving for Horizontal and Angled Cords
- EndOfMemories
- · Replies 4 ·
Findi angular range given initial velocity and distance
- Niriz
- · Replies 2 ·
Why does the current source trip me up in superposition analysis?
- negatifzeo
- · Replies 2 ·
Two springs connected by a spring
- compliant
- · Replies 3 ·
Constant acceleration simultaneous equation
- bigjuicy
- · Replies 1 ·
Average Velocity of a Car Whilst Braking
- BraedenP
- · Replies 6 ·
Charge oscillating between two fixed charges on axis
- gators1223
- · Replies 1 ·
Calculating Pressure and Temperature in a Container of Argon Gas
- gsharples12
- · Replies 1 ·
Polarized sunglasses at 17 degrees to vertical, reflected light intensity
- mli273
- · Replies 3 ·
Simple Physics (unit analysis)
- Afide
- · Replies 3 ·
Relative Velocity and Position of Ships A and B: Solving for Least Separation
- Dante Tufano
- · Replies 1 ·
Why does only constant speed accelerate and not constant velocity?
- gagneana000
- · Replies 7 ·
Solving for Mass M1 in Physics Problem Involving Pulley
- lanzjohn
- · Replies 1 ·
What is the angle at which an object on an incline plane begins to slide?
- pb23me
- · Replies 15 ·
Two spacecraft 13,500 m apart docking with constant acceleration
- r_swayze
- · Replies 6 ·
Calculating Peak Current in a Series RLC Circuit
- Twoism
- · Replies 1 ·
Spring Constant and Deformation
- tigerwoods99
- · Replies 10 ·
Calculating Projectile Motion: Distance of Cannonball to Black Pearl
- SherazSiddiqu
- · Replies 1 ·
Why does a rotating coasting system slow down when a slice of bread is added?
- zainriaz
- · Replies 3 ·
Finding cross product of two vectors a,b
- mmattson07
- · Replies 1 ·
How Long Must a Runner Accelerate to Finish a 10,000-m Run on Time?
- leroyjenkens
- · Replies 45 ·
How much work has a pitcher done on a baseball
- physicsgsu
- · Replies 1 ·
Does Clockwise Spin Shorten Ball's Range?
- zorro
- · Replies 2 ·
Instantaneous velocity and cos, sin
- fishface1959
- · Replies 6 ·
Ranking three football paths by flight time, horizontal velocity and initial speed
- mmattson07
- · Replies 8 ·
Solving a Puzzling Homework Problem: Pushing a Lawn Mower
- iRaid
- · Replies 3 ·
Relative velocity of two ships problem
- Dante Tufano
- · Replies 6 ·
Potential and Kinetic Energy: Down an incline with spring
- jti3066
- · Replies 2 ·