Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What is the net-ionic equation for sulfuric acid and potassium permanganate?
- GodsChild086
- · Replies 4 ·
Need help on Electrical Field problem
- andrew410
- · Replies 3 ·
Exam in 2 Hours: Solving Kinematics and Tidal Problems for Physics Exam
- rei
- · Replies 3 ·
Use implicit differentiation to find the points of tangency
- ziddy83
- · Replies 2 ·
What is the Calculation for Current in a Circuit with Two Sources of EMF?
- joshanders_84
- · Replies 4 ·
Derivative of fraction without quotient rule
- mark1
- · Replies 3 ·
Ahhh Applied Calc problem, i need an answer by 2am, thats when it is due HELP
- JasonJo
- · Replies 3 ·
Solving Bernoulli's Principle Problem: Flow Rate in Horizontal Pipes
- Cyrad2
- · Replies 2 ·
Fluid Mechanics - Pressure measurements
- CSUFStudent
- · Replies 2 ·
How Does the Cross Product Help Calculate Tension in a Cable?
- Shay10825
- · Replies 4 ·
Help with Rotation questionquestion
- dbzsongoku
- · Replies 2 ·
How to Determine the Mass of Stacked Blocks?
- -Justin-
- · Replies 2 ·
How Can Compactness and the Tychonoff Theorem Simplify Functions in Topology?
- cogito²
- · Replies 1 ·
Mean, and standard deviation question.
- faust9
- · Replies 2 ·
Questions on Statistical Physics
- RyanA1084
- · Replies 1 ·
Where to Find Statics Practice Problems for Physics Re-Test Preparation?
- Shay10825
- · Replies 24 ·
Having trouble with a few problems
- ToddS
- · Replies 6 ·
Parametric Curves: Finding Tangents at (0,0) Using Lissajous Figure Equations
- ziddy83
- · Replies 2 ·
Magnitude of the maximum acceleration spring problem
- SnowOwl18
- · Replies 2 ·
Can Quentin Hit the Bullseye? Calculate Here!
- manjuj
- · Replies 4 ·
How Do I Expand Composite Functions in Mathematics?
- matrix_204
- · Replies 12 ·
Solving for Initial Angle of Incidence in Total Internal Reflection
- ephdub
- · Replies 2 ·
Does Converging Sequence s_n Imply Converging Average t_n?
- philosophking
- · Replies 2 ·
Calculating Coefficient of Friction
- listera
- · Replies 10 ·
Need Torque Help! Calculate Force on Pillars Supporting Tabletop
- JeanneM24
- · Replies 2 ·
Where are the zeros and what is the value of x between [-1,1]?
- assman
- · Replies 6 ·
Calculate the final velocity of the cart and students
- TheShapeOfTime
- · Replies 2 ·
Calculating Gravitational Attraction: Solving for the Answer
- Jimsac
- · Replies 5 ·
Solving Film Projection & Telescope Questions
- SpatialVacancy
- · Replies 1 ·
How Do You Calculate Impulse and Momentum in Physics?
- sweetness
- · Replies 6 ·
Circular motion Problem Can Anyone Help?
- Dragoon
- · Replies 2 ·
How Does Initial Bullet Speed Relate to Conservation of Energy and Momentum?
- hauthuong
- · Replies 8 ·
Solving Compression Problem in 9m x 10m School Roof
- FarazAli
- · Replies 2 ·
Coefficient of friction - work and energy
- h6872
- · Replies 2 ·
What Is the Required Muscle Force to Hold an Outstretched Arm?
- Angie913
- · Replies 2 ·
Suspended Steel Beam: 6000N Max Tension Test
- tigerseye
- · Replies 2 ·
How Is the Coefficient of Kinetic Friction Calculated in a Spring-Block System?
- Naeem
- · Replies 2 ·
Circular motion problem anyone help?
- Dragoon
- · Replies 2 ·
Solve Spring Compression when 3kg Mass Dropped from 3.26m
- h6872
- · Replies 2 ·
Calculating Capacitance of Two Metal Plates with 1μF Capacity
- Mark Martinello
- · Replies 5 ·
What are some basic concepts of physics I should know for my certification?
- PhysicsNovice
- · Replies 9 ·
Find Isomorphism: Mapping Ints to Even Ints
- semidevil
- · Replies 5 ·
Help Sarah Design Momentum Experiment
- sarahowen
- · Replies 2 ·
Quadratic Formula: When to Use it?
- Lukeitfc
- · Replies 9 ·
How do crumple zones help in reducing the impact of a car crash on passengers?
- bubblez
- · Replies 5 ·
Quadratic Has A Maximum Value Or A Minimum Value
- Chikawakajones
- · Replies 16 ·
Solving Static and Kinetic Friction Problems for Physics Grade 11
- Raza
- · Replies 5 ·
Finding the Error: ε = dL/L Calculation
- Yegor
- · Replies 2 ·
Internal Energy & 1st Law of Thermodynamics: P vs V Graph?
- jaidon
- · Replies 2 ·
Algebra Help for Word Problems: Profit and Cost Analysis Explained
- DennisG
- · Replies 2 ·
Calculating Forces and Accelerations
- physica
- · Replies 3 ·
Finding the Derivative of an Inverse Function
- UrbanXrisis
- · Replies 5 ·
STUDYING FOR TEST, need a tutortial
- ElectricMile
- · Replies 4 ·
Solving for Phi in Harmonic Motion Equation
- lmf22
- · Replies 2 ·
Calculating Frequency of a Traveling Wave on a String with Given Parameters
- nazarip
- · Replies 4 ·
What is the Distance Between Two Masses When a Spring is Fully Stretched?
- cissablecat23
- · Replies 2 ·
Calculating Fluid Displacement in a Multi-Fluid System
- thunderbug
- · Replies 3 ·
AP Physics: Calculating Release Height for Loop-the-Loop
- Twigs
- · Replies 2 ·
Hardest AP PHysics lab EVERRRRRR
- the4thcafeavenue
- · Replies 2 ·
Solve Circuit Help: Find Io as Function of Frequency
- stunner5000pt
- · Replies 2 ·
Find Points of Tangency: 9x^2 - y^2 =36
- ziddy83
- · Replies 2 ·
Banked Curves in involving frictions
- Addie
- · Replies 2 ·
Capacitor with partially inserted Dielectric
- joshanders_84
- · Replies 8 ·
Calculating weight & accelleration due to gravity on other planets Help please
- benji
- · Replies 2 ·
What is the Angular Velocity for a Rock Swung at a 10 Degree Tilt?
- rooster_17
- · Replies 2 ·
How Do You Calculate Acceleration on an Inclined Plane with Friction?
- HawKMX2004
- · Replies 2 ·
How Do You Calculate the Mass of a Board Using Torque Principles?
- JeanneM24
- · Replies 2 ·
Solving a 3-Charge Electrical Field Inside an Insulator Ball
- ori
- · Replies 2 ·
Circular Motion of space station orbit
- saltrock
- · Replies 4 ·
Launching Projectiles: Calculating Initial Velocities, Distances, & Paths
- clh7871
- · Replies 2 ·
AP Mag Problem: 2.0keV Positron in 0.10T Field - Find Period, Pitch, Radius
- Physicsisfun2005
- · Replies 7 ·
Solving for Amplitude of a Brick on a Piston with SHM: Help Needed!
- Mayerzee
- · Replies 2 ·
Solving for Projectile Trajectory: Monkey & Tranquilizer Problem
- Trigger
- · Replies 7 ·
Solve Physics Problem: 500g Rock on 1m String Tilt Down at 10 Degrees
- rooster_17
- · Replies 2 ·
Homework Help: Solving for Kinetic Energy and Speed of a Rebounding Tennis Ball
- Turkish
- · Replies 2 ·
Conservation of Energy Question
- ek
- · Replies 14 ·
Calculating the Escape Velocity from a Neutron Star
- cougar_21
- · Replies 3 ·
Determine a formula for the angle at which a road should be banked
- HawKMX2004
- · Replies 4 ·
Are My Partial Derivatives Correct for Linearization?
- DeadxBunny
- · Replies 2 ·
How Do You Calculate Maximum Height on an Inclined Plane with Friction?
- Ineedphysicshelp
- · Replies 3 ·
Trig Help - Need Help Verifying This Identity
- dec1ble
- · Replies 2 ·
Please just check this [Analysis problem]
- AKG
- · Replies 1 ·
What is the Force of Water on a Barge in Motion?
- Darienesque
- · Replies 2 ·
What Causes an Egg to Harden when Boiled?
- bard
- · Replies 2 ·
What is the acceleration due to gravity on Ganymede?
- physica
- · Replies 10 ·
Calculating Maximum Force in Periodic Motion: Airplane in a Storm
- buffgilville
- · Replies 4 ·
Elastic Collision on an Incline
- Soaring Crane
- · Replies 6 ·
What is the Practical Application of the 7th Derivative in the Real World?
- kristijo
- · Replies 2 ·
Why Can't the Sum of Any m Consecutive Fibonacci Numbers Always Be Odd?
- Pandaren
- · Replies 2 ·
How Does Gauss's Law Apply to Dielectrics with Embedded Point Charges?
- joshanders_84
- · Replies 11 ·
What is the Period of a Satellite at 90km Above the Moon's Surface?
- cougar_21
- · Replies 3 ·
Designing a Mouse Trap Car: Wheels and Axle
- mattfelner
- · Replies 7 ·
How Does Friction Affect the Maximum Height of a Block on an Incline?
- Ineedphysicshelp
- · Replies 6 ·
Solving Glancing Collisions: Velocity & Energy Loss
- MattF
- · Replies 2 ·
How Do You Calculate Tension in Support Rods with Uneven Loads?
- DethRose
- · Replies 2 ·
Solving Thermodynamics Problem with Hydrochloric Acid and Sodium Bicarbonate
- KingNothing
- · Replies 2 ·
Find Moment of Inertia of Figure w/ M, L, m_1 & m_2
- quick
- · Replies 2 ·
Astronomy/Mathmatical questions PLEASE HELP
- S. Dilly
- · Replies 2 ·
Solving for Tension in Masses Connected by String Over Pulley
- quick
- · Replies 2 ·
How Does a Wall Push Back with Equal Force?
- UrbanXrisis
- · Replies 4 ·