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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Friction of a stone sliding on a pond
- recon
- · Replies 5 ·
What Are Rice Company's Total Sales for Desired After-Tax Profit?
- aisha
- · Replies 6 ·
Pressure and Net Force Question
- Enoch
- · Replies 1 ·
Pool ball collision with cue and target ball angles
- Lorax
- · Replies 2 ·
Find the spring constant and the amplitude of the simple harmonic moti
- Flinthill84
- · Replies 2 ·
How Do I Solve This Webwork Problem Using Stoke's Theorem?
- hellishcolt
- · Replies 2 ·
Calculate Degrees of Freedom for 10 cc Oxygen Gas at STP
- prasanna
- · Replies 2 ·
Calcium Carbonate: Enthalpy and Entropy Difference at Room Temp & 0K
- stunner5000pt
- · Replies 2 ·
Finding the launch angle for a projectile to hit a target 3.25 m away
- MojotheMonkey
- · Replies 15 ·
Proving Fibonacci Sequence and Golden Ratio
- matrix_204
- · Replies 3 ·
Solving Frequencies Problem: Lowest Tone in Close-End Pipe 200Hz
- araw83
- · Replies 2 ·
What Is the Correct Approach to Solve This Specific Heat Calculation Error?
- porschedriver192
- · Replies 5 ·
How Do Torque and Hinge Placement Affect a Door's Stability?
- foot
- · Replies 2 ·
Walking between two 440Hz speakers: why does loudness vary at 3.0Hz?
- NotaPhysicsMan
- · Replies 13 ·
What is the solution for x in 2x^(1/4) = 64/x using indices?
- Mo
- · Replies 6 ·
How Do You Calculate the Force of Gravity on a Spacecraft Above Earth?
- shrtweez13
- · Replies 3 ·
Collision of pucks on frictionless table
- disruptors
- · Replies 2 ·
How High Should a Marble Be Released to Propel a Steel Ball at 150cm/s?
- darkdryad
- · Replies 2 ·
Writing Gravitation Force On Central Sphere In Unit Vector Notation
- GingerBread27
- · Replies 2 ·
Equations of motion for a three-mass spring system using Newton's laws
- quasar987
- · Replies 2 ·
Calculating Moles of Air Required for Tire Pressure Increase
- mikep
- · Replies 2 ·
Solving 2-Unknown Algebra Problems: A Challenge!
- Warwick
- · Replies 4 ·
What Is the 360th Power of the Function f(x) = 1/(1-x)?
- Link
- · Replies 2 ·
Impact Force Comparison: Car vs. Wall Collision
- sinas
- · Replies 6 ·
Physics Problem (densuty, pressure etc)
- shalei
- · Replies 2 ·
Solve Entropy Problem with Heat Carrier - Nille
- LostInSpace
- · Replies 4 ·
How Does the Sum of Alternating Series Lead to a Power Series for 2/(1-x^2)?
- kdinser
- · Replies 3 ·
Friction acting on a spinning ice skater
- angelina
- · Replies 10 ·
Should You Use Indefinite Integrals for Deriving Formulas of 1/(x+1)?
- courtrigrad
- · Replies 2 ·
Projectile and Conservation of Energy
- Heart
- · Replies 4 ·
Setting up the differential equation for rocket motion with fuel burn
- LondonLady
- · Replies 4 ·
How Does Light Refract When Emerging from Water into Air?
- daveed
- · Replies 2 ·
Where to drill a 1.0 m stick to get the shortest pendulum period?
- physicsss
- · Replies 11 ·
Finding total resistance in a network of resistors
- aviv87
- · Replies 6 ·
Rate of Reaction: Effects of Volume Changes
- decamij
- · Replies 2 ·
Solving -1^n and (-1)^{n+1} Confusions
- kdinser
- · Replies 2 ·
Calculating the Change in Kinetic Energy During a Collision
- disruptors
- · Replies 2 ·
What pasta and glue work best for a bridge building assignment?
- Namic56
- · Replies 4 ·
Find the Height for Equal Pressure in a Cylinder of Water
- prasanna
- · Replies 4 ·
How many dark fringes from 651nm light on a 5.47×10⁻⁶m slit?
- NotaPhysicsMan
- · Replies 4 ·
Solve Damped Pendulum: Find Alpha, Period and Reduction Time
- physicsss
- · Replies 3 ·
What do i need to learn in order to do the following contest questions?
- furtivefelon
- · Replies 3 ·
Finding area under delta x divided by a function
- Juche
- · Replies 2 ·
How Do You Calculate the Tension in a Wire for a Submerged Iron Cube?
- Bcisewski
- · Replies 2 ·
What Steps Are Needed to Prove That a Number Is the Supremum?
- semidevil
- · Replies 4 ·
Quantum Mechanics Problem - [Rotating Molecule]
- AKG
- · Replies 7 ·
Solve Ladder Logic Puzzles: Word Ladder Brainteasers
- sp00ky
- · Replies 3 ·
How Do Thermodynamic Potentials Apply in a Two-Cylinder System with a Heat Pump?
- Feynmanfan
- · Replies 1 ·
Solving Friction: Acceleration and Velocity
- primarygun
- · Replies 5 ·
Solving Problems Involving a Skater and a Spring
- Kissinor
- · Replies 4 ·
Don't understand by the phrases 'third second'
- Sanosuke Sagara
- · Replies 2 ·
Closest distance between two planes traveling at different speeds
- decamij
- · Replies 3 ·
Solving a 20% Efficient Real Engine Problem
- jaidon
- · Replies 2 ·
Mutual Inductance of the cylinder coils
- Romperstomper
- · Replies 2 ·
How do I find the formula for the hydrate?
- Dooh
- · Replies 5 ·
Don't understand by the phrases 'retarding force'
- Sanosuke Sagara
- · Replies 2 ·
Max Speed Calculation for Tarzan's Vine Swing - AP Physics Problem
- AllAmericanGirl2004
- · Replies 3 ·
Kinetic energy of massless spring
- Flinthill84
- · Replies 4 ·
Force between two carts pulled by 4N
- UrbanXrisis
- · Replies 2 ·
Are My Calculations for Accident Recovery Probabilities Accurate?
- OptimusPrime
- · Replies 1 ·
Solving Sampling Distributions in AP Statistics: Unbiased Estimators
- bjr_jyd15
- · Replies 2 ·
Causes of King Duncan's death in Macbeth
- Shay10825
- · Replies 30 ·
How Does Ship Size Impact the Average Volume of Clothing Shipments?
- OptimusPrime
- · Replies 2 ·
Surface area of atomized molecules?
- gaborfk
- · Replies 3 ·
Ice cube melting in lemonade at different temperatures
- mikep
- · Replies 5 ·
Normal force on motorcycle in rotating ring
- Chen
- · Replies 7 ·
Calculate Weight Difference at Equator: 715N Gravitational Force
- Coolbass04
- · Replies 2 ·
I dont understand how conditional probabilty works
- semidevil
- · Replies 3 ·
The gravitational force between the aircraft and Moon
- Omid
- · Replies 4 ·
Cockroaches fighting phys. prob
- irefay
- · Replies 2 ·
Calculating Forces on an 80kg Man on a Ferris Wheel
- HawKMX2004
- · Replies 2 ·
Finding height where projectile has half initial speed
- senseandsanity
- · Replies 4 ·
Finding the angle for a pulley system to pull a 4 kg foot straight out
- senseandsanity
- · Replies 2 ·
How to Find the Speeds of Suspended Objects Over a Pulley?
- elizabethg
- · Replies 2 ·
Newton's three laws and friction
- furtivefelon
- · Replies 2 ·
Precipitation reactions with silver nitrate
- Mathman23
- · Replies 3 ·
Calculating Max Ice Production Rate Given kW Input and Temperature Conditions
- eku_girl83
- · Replies 2 ·
Finding Distance of Fragment After Shell Explosion - Center of Mass
- Twigs
- · Replies 2 ·
Finding minimum area of a rectangular fence enclosure with 100m perimeter
- TSN79
- · Replies 2 ·
Crane Efficiency: 5.10 x 10^5 Energy to Lift 1000kg 32m
- puregoodboi
- · Replies 3 ·
How Do You Calculate the Area Between Curves in Calculus Problems?
- buffgilville
- · Replies 5 ·
Can like charges accumulate in tight spaces despite repulsion?
- mborn
- · Replies 3 ·
Baffled by Electric Field of a Plate
- mborn
- · Replies 2 ·
Rocket Problem: 0.27kg Mass, 0.18kg Gas, 40m/s Velocity
- vabamyyr
- · Replies 2 ·
Essay on Digital and Analogue technology -_-
- TimUK
- · Replies 2 ·
Block pushed against wall: friction force with 12 N horizontal push
- disruptors
- · Replies 2 ·
Solving triple summation for nested loop time complexity
- EvLer
- · Replies 3 ·
How Do Electric and Magnetic Fields Affect an Electron's Path?
- nemzy
- · Replies 2 ·
Concave lens with virtual image 0.5 times object size
- JamesL
- · Replies 2 ·
Why Is Cooperative Equilibrium More Likely in Repeated Games with Fewer Players?
- vsage
- · Replies 1 ·
How Do Protons Behave in a Magnetic Field?
- nemzy
- · Replies 5 ·
Calculating Minimum Turn Radius for 200 m/s Jet
- Haftred
- · Replies 2 ·
At what time was the yeast added?
- mborn
- · Replies 7 ·
How to solve √3x = x + √3 for x
- Mo
- · Replies 6 ·
Can someone explain the circle equation simply?
- roger
- · Replies 7 ·
Which two of Dalton's four atomic theories were disproven?
- PixieWings190
- · Replies 2 ·
Solving for Probability Current Density in Region 2
- UpQuark
- · Replies 2 ·
How Do You Solve Momentum and Elastic Collision Problems in Physics?
- krypt0nite
- · Replies 4 ·
Calculating Final Temperature of Steam and Water Mixture - Chemistry Question
- GodsChild086
- · Replies 4 ·