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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Shouldn't Conservation of Momentum Be Conserved in this Problem?
- ColdFusion85
- · Replies 2 ·
Solve Magnetic Field from Perpendicular Wires Carrying Same Current
- NotaPhysicsMan
- · Replies 2 ·
Calculating Characteristics of a Sinusoidal Wave Propagating on a String
- potatonet
- · Replies 2 ·
Hwk Problem: Mechanical Energy
- shawonna23
- · Replies 4 ·
Thermal conductivity: are liquids better thermal conductors?
- adolfo
- · Replies 2 ·
Calc Resistance, XL-XC & Power in RLC Circuit
- waywardtigerlily
- · Replies 2 ·
Conditions on the coefficients of conics equations
- cocoavi
- · Replies 5 ·
Simple Harmonic Motion of a Mass on a Spring
- UrbanXrisis
- · Replies 6 ·
Solving Geometric Series: Find x Values |r|<1
- Briggs
- · Replies 5 ·
Pressure Difference in a 2-m Deep Swimming Pool
- Naeem
- · Replies 3 ·
What Current Makes the Magnetic Field at the Center Zero?
- Soaring Crane
- · Replies 12 ·
A conceptual question on vectors
- Naeem
- · Replies 10 ·
Linear Momentum and Collisions of meteor
- wildr0id
- · Replies 2 ·
Minimum Height for Object to Travel Around Loop-the-Loop
- NickCherryJiggz
- · Replies 2 ·
Vector Addition Q: Find Z Component of A X B
- Naeem
- · Replies 4 ·
What is the finite difference method and how does it involve a grid?
- courtrigrad
- · Replies 3 ·
Effect of Sudden Radial Velocity Change on Orbital Energy and Angular Momentum
- asrodan
- · Replies 2 ·
Source-free 2nd order lin. circuit
- EvLer
- · Replies 2 ·
Solving Parametric Equation to Find Area - Help Needed!
- ILoveBaseball
- · Replies 5 ·
Quantum Mech. Si Wavefunction probability
- mkkrnfoo85
- · Replies 9 ·
Calculating the Dieing Time of a Pendulum
- beawolf
- · Replies 2 ·
Is My Slope-Intercept Equation for Farmer Jack's Milk Prices Correct?
- bayswomen
- · Replies 2 ·
A weird domain and range? anybody up for a challenge
- dagg3r
- · Replies 3 ·
Problem using variation of parameters
- Tarhead
- · Replies 2 ·
Is This Partial Fraction Set Up Correct?
- RadiationX
- · Replies 11 ·
Alternating Series: Does Divergence Hold?
- tandoorichicken
- · Replies 8 ·
Distance and time for a treadmill
- Outblaze
- · Replies 2 ·
Calculating Vapour Pressure for 1L Container with 5mL Water at 20°C
- ChemRookie
- · Replies 2 ·
Building a Quake Tower for High School Physics Class
- Buckethead8723
- · Replies 2 ·
Dealing with Domain Problems in Plotting: A Mathematician's Dilemma
- DivGradCurl
- · Replies 19 ·
Help with Balancing Iron (III) Chloride Equation
- Dragonfly6191
- · Replies 4 ·
Efficient Integration Problem Help: How to Easily Solve Complex Integrals
- tandoorichicken
- · Replies 9 ·
Calculating Power Generated at Hoover Dam
- confused1
- · Replies 2 ·
Yr 12 Maths 1 Help - Get Assistance for Horizontal Tangents & Normals
- ][nstigator
- · Replies 4 ·
How to find lim (pi/2 - x)/cos(x) as x -> pi/2?
- gillgill
- · Replies 10 ·
Capacitor Circuit Problem: Identical Capacitors & Battery Connection Explained"
- apchemstudent
- · Replies 7 ·
Solving Complex Questions: Re(z^2)=? Im(z^2)=?
- ~angel~
- · Replies 27 ·
Constant frequency for light waves?
- thursdaytbs
- · Replies 5 ·
Net External Electric Field from Combining Positive & Negative Charges
- colonel
- · Replies 2 ·
Starting a Limit Problem with x^3/(tan^3(2x)) as x Approaches 0
- gillgill
- · Replies 4 ·
Satellite Placements: Low Moon vs Synchronous Lunar
- iambooboo
- · Replies 12 ·
Finding force, distance, time on a threadmill
- Outblaze
- · Replies 2 ·
Calculating Solar System Reach of Pioneer Craft Without Assist
- six789
- · Replies 7 ·
Software for learning matrices?
- PBRMEASAP
- · Replies 2 ·
Help Solving Angular Work Problem: 11676 J?
- Punchlinegirl
- · Replies 2 ·
Calculating Work to Place Satellite in Synchronous Orbit
- six789
- · Replies 4 ·
HELP Features of A Hyperbola CONIC
- aisha
- · Replies 12 ·
Comparing escape velocities on Earth and Mars
- six789
- · Replies 29 ·
Two Problems Dealing With Circular Motion
- wetcarpet
- · Replies 3 ·
How Is Coulomb's Law Demonstrated with a Suspended Charged Ball?
- rindishy123
- · Replies 3 ·
Calculation of a half-life how?
- LoBun
- · Replies 15 ·
Understanding Gravitational Pressure and Acceleration: Explained
- apchemstudent
- · Replies 4 ·
Electric Charge in a Magnetic Field
- Soaring Crane
- · Replies 4 ·
Parametric equations for a circle
- ILoveBaseball
- · Replies 2 ·
Solving Polynomial: x^(3/2) + (1+x^3)^(1/2)
- jessawells
- · Replies 4 ·
How to Calculate Energy to Push an Object 100 km Without Knowing Its Mass?
- Chewy1976
- · Replies 2 ·
Friction: Does Contact Area Affect Force?
- student85
- · Replies 3 ·
40 or 400 which has greater standard deviation?
- aisha
- · Replies 2 ·
Trig substitution help (easy one )
- RadiationX
- · Replies 9 ·
Magnetic Field Calculation for Perpendicular Currents at Point P
- NotaPhysicsMan
- · Replies 13 ·
Calculating Current in Series & Parallel Circuits
- Burrow
- · Replies 7 ·
Is This Function a Variation of a Hyperbola?
- dagg3r
- · Replies 2 ·
Find diameter of steel wire - stress
- UrbanXrisis
- · Replies 2 ·
Involving Errors In Calculations
- richnfg
- · Replies 4 ·
Why Does Momentum Seem Unequal in a Ball-Wall Collision?
- alcatras
- · Replies 2 ·
Banked curve involving friction
- SeReNiTy
- · Replies 9 ·
Parametric equations for a loop
- ILoveBaseball
- · Replies 6 ·
Write an expression for f3 in terms of f2
- tony873004
- · Replies 14 ·
Unit Step Function and Laplace Transforms
- Spectre5
- · Replies 15 ·
How Does a Pendulum React in Freefall? CN Tower Experiment
- thierryhenry
- · Replies 2 ·
What Is the Correct Calculation for the Power Delivered by an Elevator Cable?
- shawonna23
- · Replies 3 ·
Cal 2 help please - hard problem
- ProBasket
- · Replies 6 ·
Why Does Interference Still Occur with Red Light Passing Through Slits?
- primarygun
- · Replies 6 ·
What is the Domain and Range for f and g?
- joejo
- · Replies 28 ·
Help with Physics Homework: Investigating 'Ghosting' of a TV Picture
- PaLma
- · Replies 2 ·
What are the orbital parameters of a planet orbiting a star?
- jaymode
- · Replies 4 ·
Spring Block System: Period & Max Speeds/Accel
- UrbanXrisis
- · Replies 3 ·
How much internal energy is produced in the battery
- abot
- · Replies 2 ·
How Do You Calculate the Energy in a Complex EM Wave?
- freemind
- · Replies 3 ·
How Do You Solve These Complex Geometry and Rate Problems?
- erik05
- · Replies 3 ·
Magnetic Field Intensity Question
- sillucius
- · Replies 4 ·
How Accurate Are Calculations for Satellite Orbit Energy and Rocket Altitudes?
- six789
- · Replies 3 ·
Converting a Complex Number to Polar Form
- EvLer
- · Replies 3 ·
Analyzing a Static System using Lagrangian Mechanics
- TheDestroyer
- · Replies 3 ·
Find the Yield Rate of Two Bonds with Same Maturity & Coupon Rate
- SciFi Chick
- · Replies 4 ·
Can You Solve This Kinematics, Energy, and Momentum Diagram Problem?
- six789
- · Replies 4 ·
Revising for SPM General Physics: Recommended Books & Sites
- Mafer
- · Replies 2 ·
Find $\frac{d^2y}{dx^2}$ for Parametric Equations x,y
- ILoveBaseball
- · Replies 4 ·
Disinfectant and bacteria experiment VERY
- saltrock
- · Replies 2 ·
Work Done on Sled by Rope: 5.0s, 250N, 470N
- evan4888
- · Replies 2 ·
3 free response practice AP problems
- Shay10825
- · Replies 26 ·
Pre-Calculus - Regarding finding the area of a certain region
- phEight
- · Replies 4 ·
Seemingly easy quantum question
- bemigh
- · Replies 2 ·
Solving for Unknown Mass M2 in System with Knowns M1, k & T
- KingOfTwilight
- · Replies 9 ·
Understanding Linear Momentum: Ranking Force and Slowing Regions
- RadiationX
- · Replies 3 ·
HEat energy given off by a person
- Juvenile
- · Replies 2 ·
The limit of the product is the product of the limits.
- Spectre5
- · Replies 6 ·
Solving q = 4t³ + 5t² - 6 for t = 1s - Instantaneous Current
- abot
- · Replies 2 ·
Rescuing a Stranded Partner in Space: Utilizing Conservation of Momentum
- fratjock20
- · Replies 16 ·
KE in reletivity? Strange integration
- binarybob0001
- · Replies 29 ·