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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Potential & Kinetic Energy of Basketball & Tennis Ball
- UrbanXrisis
- · Replies 4 ·
Solve Work-Energy Question with Physics Problem | Elastic Cord and Sandbag
- pulau_tiga
- · Replies 2 ·
Proving Momentum Conservation with Basketball & Tennis Ball
- UrbanXrisis
- · Replies 10 ·
Why is the Sun Expanding Beyond Earth in Seconds?
- oilfan04
- · Replies 3 ·
Determine the magnetic field between 2 long straight wires
- joej
- · Replies 2 ·
Calculating p/n: Solving for the Ratio of Two Averages in a Mental Lapse
- courtrigrad
- · Replies 3 ·
Why Did Heavier Masses Fall Faster in My Atwood's Machine Experiment?
- rstaniec
- · Replies 6 ·
Time to decelerate over a given distance
- asp55
- · Replies 3 ·
Solving a Math Problem: Overcoming a Mental Lapse
- derekmohammed
- · Replies 2 ·
Calculating Intensity of Spherical Wave & Pendulum T - Confirm Correct Answers
- Soaring Crane
- · Replies 2 ·
Lagrangian mechanics (problem with generalized coordinates)
- Feynmanfan
- · Replies 11 ·
Questions About Inertia and Breaking Eggs
- abc
- · Replies 2 ·
How Does Phase Reversal Occur in Light and Sound Wave Reflections?
- yaffle
- · Replies 4 ·
How can I apply Hess's Law to solve a thermodynamics homework problem?
- courtrigrad
- · Replies 5 ·
Pressure, Volume, Temperature, etc.
- Rachael_Victoria
- · Replies 4 ·
Maximum Acceleration of Oscillating Blocks
- radtad
- · Replies 17 ·
Solving a Trig Problem: Find All Solutions in [0, pi)
- Zach_C
- · Replies 2 ·
Railroad diesel engine homework
- Imparcticle
- · Replies 8 ·
Solving for Distance of Iceberg from Ship: North Atlantic
- sp00ky
- · Replies 2 ·
Calculating Cliff Height Using Sound Timing - Physics Problem
- TheShapeOfTime
- · Replies 6 ·
Calculating Net Electric Field at Origin: Two Charges on X-Axis, Two on Y-Axis
- thursdaytbs
- · Replies 3 ·
Understanding Fluids and Pressure: Basic Concepts and Problem-Solving Assistance
- benji
- · Replies 4 ·
Motorcycle Intertia Dyno - Moment of Intertia for various objects?
- PJ Adams
- · Replies 2 ·
Solving Wave-Related Trouble in Physics
- Great_White
- · Replies 5 ·
Solving Geometric Problem - Find \angle ATB
- danne89
- · Replies 2 ·
Find Function f(x) to Satisfy Lim & Improper Integral
- Chen
- · Replies 19 ·
Coin Rolling Without Slipping: Physics Final Study Question
- mattmets
- · Replies 2 ·
What is the Fundamental Frequency?
- Soaring Crane
- · Replies 3 ·
Integration by Partial Fractions
- kdinser
- · Replies 6 ·
Solve 5 Math Problems by Monday or ELSE!
- Stargate
- · Replies 16 ·
Solving Wave Motion Problem: Finding Amplitude for Objects to Leave Ground
- Klinger
- · Replies 2 ·
How far will the ball travel horizontally?
- tman
- · Replies 7 ·
What Is the Difference Between Evaporation and Boiling?
- Kaluence
- · Replies 6 ·
Solving Potential Theory Problem: Step-by-Step Guide
- Raparicio
- · Replies 6 ·
Working out the velocity after a collision
- Matt.D
- · Replies 5 ·
Solving a Polynomial Division Problem: Remainder = 5 & 7
- misogynisticfeminist
- · Replies 4 ·
Rewriting some Series / Factorials
- DivGradCurl
- · Replies 23 ·
Finding spring constant and maximum acceleration
- chase222
- · Replies 2 ·
What is the Proof for Kinetic Energy in a Circular Magnetic Field?
- joej
- · Replies 9 ·
How Does the Radius of a Raindrop Change as It Accumulates Moisture?
- courtrigrad
- · Replies 2 ·
Help quantum mech hydrogen molecule and spin
- yxgao
- · Replies 2 ·
Homework problem Leaking faucet
- nineeyes
- · Replies 13 ·
Deflection of a object due to magnetic field
- joej
- · Replies 5 ·
Covariance in Equations: How to Identify and Understand It
- tiger_striped_cat
- · Replies 3 ·
Interval of convergence problem
- sinas
- · Replies 7 ·
What causes sand to get hotter then water?
- jjjsarnis
- · Replies 2 ·
Who is Allo Diavolo? Uncovering the Truth Behind this Mysterious Figure
- Help_Me_Please
- · Replies 4 ·
Centripetal force of an object swinging
- JWest
- · Replies 3 ·
Infinite solenoid with magnetic flux
- yxgao
- · Replies 2 ·
Why Does the Desk Lamp Move Despite Equal and Opposite Forces?
- Mo
- · Replies 4 ·
Solve 5th Question on Phys101 Final: Urgent Help Needed!
- mfk_1868
- · Replies 9 ·
Head On Collision Of A Two Mass One Spring System
- SAJIN K
- · Replies 2 ·
Polynomial recurrence equation
- Pietjuh
- · Replies 2 ·
Calculate Laplace Transform with Im(k)=0, Im(p)=0
- anv
- · Replies 6 ·
Challenge Accepted: 3 Hard Physics Problems for You to Solve!
- Stargate
- · Replies 14 ·
What are the Critical Numbers for f(x) = 2x^3 + 15x^2 - 36x +1?
- ziddy83
- · Replies 5 ·
Me In What My Teacher Said Is Easy
- Chikawakajones
- · Replies 5 ·
Free falling - Am I doing right?
- danne89
- · Replies 3 ·
How does doubling the net force affect the acceleration of a moving cart?
- Stargate
- · Replies 8 ·
AZING!Where Does Kinetic Energy Disappear in Inelastic Collisions?
- UrbanXrisis
- · Replies 12 ·
Physics Unit 3 Magnetism: Troublesome Diagram
- Lorax
- · Replies 6 ·
Adding intensities for incoherent waves
- fliptomato
- · Replies 2 ·
What is the radius of curvature for an alpha particle in a magnetic field?
- Lorax
- · Replies 4 ·
Question on KE of radioactive source
- faisal
- · Replies 3 ·
Snell's Law/Critical Angles Problem
- Nikki196
- · Replies 2 ·
Understanding Charge, Voltage, and Circuit Analysis
- JimmyRay
- · Replies 3 ·
Discrete Math: Finding Angle Between Plane & XZ Axis
- eme_girl
- · Replies 2 ·
Finding Tension in a Submerged Ball Using Archimedes' Principle
- Soaring Crane
- · Replies 7 ·
Finding y' by implicit differentiation SO HARD FOR ME help~
- r3dxP
- · Replies 7 ·
Cellular Respiration for Grade 12 Biology Class
- majinknight
- · Replies 2 ·
Proving with mean value theorem
- trap
- · Replies 2 ·
BTech Biotech Degrees in India - A Guide for Students
- NeoVision
- · Replies 2 ·
Understanding Charge Distribution in Touched Metal Spheres
- thursdaytbs
- · Replies 4 ·
Why Aren't Carnot Engines Considered Real Engines?
- Soaring Crane
- · Replies 2 ·
How momentum is related to energy
- UrbanXrisis
- · Replies 3 ·
Deriving the Moment of Inertia of a Hollow Sphere with Uniform Density
- doerame
- · Replies 2 ·
Calculate Tensile Stress of Nylon Fishing Wire for 20N Force
- nerofiend
- · Replies 2 ·
What Is a Principal Angle and How Is It Calculated?
- aisha
- · Replies 12 ·
Quantum mech help - radii of some atoms
- yxgao
- · Replies 2 ·
The Force of Gravity: Understanding Acceleration of 2-Kg Rocks
- Stargate
- · Replies 3 ·
Help with Light-Refraction Project
- !Live_4Ever!
- · Replies 3 ·
Rolling with slipping and linear velocity
- StatusX
- · Replies 6 ·
Period of Pendulum Lab: Transition from UCM to SHM
- sinthon123
- · Replies 2 ·
Physics in Men In Black: Math for Tunnel Scene
- Redsox1918
- · Replies 2 ·
Another Two Questions (fluids And Quantics)
- Raparicio
- · Replies 2 ·
How can we design a winning roller coaster for a contest at Canada's Wonderland?
- Quantum_Prodegy
- · Replies 5 ·
Calculating Length of Cottage Rafters
- aisha
- · Replies 5 ·
How Do You Find the Corresponding Positive Angle of a Negative Angle?
- aisha
- · Replies 9 ·
An easy problem about friction force
- samet
- · Replies 6 ·
Thermal expansion of lead sphere
- craigfc
- · Replies 13 ·
How Do You Solve These Impulse and Momentum Problems?
- Riya
- · Replies 9 ·
Find vector defined by two points on two separate lines
- daster
- · Replies 5 ·
Calculate Latent Heat of Steam to Ice Transformation
- Jimsac
- · Replies 6 ·
How can I find the tangent line to y(x) at x=0 using the integral equation?
- Chen
- · Replies 3 ·
Why Should a Thistle Tube Be Kept Below the Acid Level in Acid-Metal Reactions?
- apchemstudent
- · Replies 2 ·
I hate Trigonometric Subsitution
- Tom McCurdy
- · Replies 6 ·
Mech 3: Sphere Sliding Problem - Mass, Radius, and Acceleration Calculations
- Elphaba
- · Replies 2 ·
Solving for Acceleration of Masses with a Pulley System
- claralax
- · Replies 4 ·
Question anyone dare to answer?
- metz143
- · Replies 2 ·