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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Understanding Relativistic Collisions: Physics Question and Solution Explained
- mike217
- · Replies 2 ·
Quadratic forms, linear algebra
- matrix_204
- · Replies 3 ·
What Energy Causes Motion in a Suspended Sphere Apparatus?
- evthis
- · Replies 6 ·
Equation is a parabola with a vertical axis of symmetry
- gillgill
- · Replies 2 ·
Calculate Dynamic Mass & Force of Object in Motion
- Padj01
- · Replies 3 ·
Electric Potential at Cylinder Center: Calculating Error
- brichugh
- · Replies 2 ·
Look for a value of delta limit
- Benny
- · Replies 4 ·
Please Please Please help me in this Corner Reflector Problem
- shaiqbashir
- · Replies 2 ·
me in the solution of this problem
- shaiqbashir
- · Replies 6 ·
NBA Salary Growth: Solving for Average Salary and Future Projections
- courtrigrad
- · Replies 7 ·
Solving Equations of Motion: When Will 100g Mass Overtake 1.5kg Shot Put?
- ][nstigator
- · Replies 2 ·
Example of only a single force occurence?
- llamaboy
- · Replies 2 ·
Anti Parallel Currents and Magnetic Field
- GingerBread27
- · Replies 2 ·
Proving Invariance of Polynomial Size Measurement for Positive n
- msmith12
- · Replies 2 ·
Build a Mousetrap Car for 5 Degree Incline - 14m Goal
- suesand
- · Replies 3 ·
Calculate Rocket Fuel Mass for Course Change | 4350 kg Rocket in Space
- whereisccguys
- · Replies 4 ·
How Do You Calculate the Center of Mass of a Parabolic Plate?
- whereisccguys
- · Replies 3 ·
Momentum and Breaking force of car
- vitaly
- · Replies 2 ·
What Forces Keep Objects in Circular Motion?
- mark9159
- · Replies 2 ·
Right hand Rule - Check if i did this right
- Jacob87411
- · Replies 3 ·
How Much Does the Spring Compress When an Elevator Falls on It?
- whereisccguys
- · Replies 2 ·
Dissociation Field: Estimating Magnitude of N_2
- quasar987
- · Replies 17 ·
Finding the tension of a string
- UrbanXrisis
- · Replies 5 ·
Understanding the Van de Graaf Generator
- Femme06Fatale
- · Replies 2 ·
How Do You Calculate the Mass of a Rod with Non-Uniform Density?
- AstroturfHead
- · Replies 3 ·
Unraveling Magnetism: Solving Three Common Problems
- Kadomony
- · Replies 3 ·
How do you find a normal of a direction vector in 3 space?
- thomasrules
- · Replies 3 ·
Struggling to Integrate Complicated Expression - Need Help!
- Sombra
- · Replies 4 ·
Calculating Force and Acceleration Vectors
- flower76
- · Replies 5 ·
What fraction of light is reflected from the air water interface?
- stunner5000pt
- · Replies 6 ·
Deceleration Problem: Calculating Time and Distance When Braking at 25m/s
- Power24
- · Replies 16 ·
Answer:Work-Energy Scaling: R_k,R_w = 3,1
- ProBasket
- · Replies 2 ·
Work and Kinetic Energy of a sled
- ProBasket
- · Replies 2 ·
How Many Revolutions Does a Proton Complete in a Cyclotron?
- andrew410
- · Replies 3 ·
What are the critical numbers for g(x) = x^2 + 2x^(2/3) on [-2,2]?
- jzq
- · Replies 16 ·
How Do You Solve This Equation?
- faramir12345
- · Replies 7 ·
Struggling with a Metric Space Problem: Show A is Closed
- mansi
- · Replies 2 ·
Force Exerted by 100g & 50g Masses on Each Other
- harhar
- · Replies 32 ·
What Software Can Create Smooth d/t and v/a Graphs with Tangents?
- Nx2
- · Replies 6 ·
Calculate Torque Exerted by Fish at 20° Angle
- UrbanXrisis
- · Replies 7 ·
Calculate Speed of Ambulance with Sound in Air Problem
- Eclypse
- · Replies 2 ·
How Do Quantum Mechanics Handle Particles at Potential Steps with E<V_0?
- relinquished™
- · Replies 9 ·
Bifurcation Diagrams: How to Plot Stability
- matpo39
- · Replies 2 ·
Is Simpson or Trapezium Rule Better for Calculating Area Under a Curve?
- Link
- · Replies 6 ·
What is the equilibrium position of a ball attached to two springs?
- tony873004
- · Replies 2 ·
What is the maximum angle for a bob to slide upwards in a rotating funnel?
- stunner5000pt
- · Replies 2 ·
2 Questions on Ohm's Law and Power
- Lovely
- · Replies 3 ·
Use a GEOCENTRIC reference frame to explain the earth's orbit
- stunner5000pt
- · Replies 3 ·
How Do You Design a Circuit for a Triple-Scale Voltmeter?
- ericamandi16
- · Replies 2 ·
Crack the Code with Number Box: Discover the Mystery of the 20x20 Square
- C Squiz
- · Replies 4 ·
Cross sectional area of cylinder?
- ElectricMile
- · Replies 3 ·
Centripetal/angular acceleration
- UrbanXrisis
- · Replies 10 ·
Explaining Why a Scale Reads What it Does in Different Situations
- tony873004
- · Replies 7 ·
Prove the BAC CAB Rule: Ax(BxC)=B(A.C)-C(A.B)
- shaiqbashir
- · Replies 6 ·
How to Find the Displacement and Angle of a Drifting Balloon?
- shaiqbashir
- · Replies 3 ·
Calculating Zn Required for 2.00g of Au in Chemical Reaction
- gokugreene
- · Replies 2 ·
Finding Distance b/w Point A and B with Kinematic Formulas
- lektor
- · Replies 3 ·
A heat engine and determining Power
- JasonL
- · Replies 3 ·
Does 0.999 Equal 1? Maths Project
- chickenguy
- · Replies 3 ·
Physics of Sailing: Ideas & Experiments
- villiami
- · Replies 2 ·
What is the voltage across each capacitor in this circuit?
- thisisfudd
- · Replies 4 ·
Find the Derivative of a Quadratic Function with f(0)=-4 and Evaluate f'(0)
- ProBasket
- · Replies 2 ·
Energy required to ionize a hydrogen atom from n=1
- tony873004
- · Replies 2 ·
Calculating Plane Height from Radio Wave Interference
- lektor
- · Replies 2 ·
What is the center of mass of a lamina with variable density?
- tandoorichicken
- · Replies 3 ·
What Determines the Maximum Angular Velocity for a Coin on a Turntable?
- cstryker02
- · Replies 2 ·
Confusion with Electric Potential/Potential Energy
- sisigsarap
- · Replies 2 ·
Moment of Inertia: Easier Way to Determine Formula
- Tabe
- · Replies 4 ·
How Far Does the Diver Travel from Board to Stopping Point Underwater?
- jojo42586
- · Replies 2 ·
Double Integration: Volume Under z = 2x + y^2
- tandoorichicken
- · Replies 11 ·
Maximizing Power Delivery: Comparing 12,000V & 50,000V Electricity Transmission
- leolaw
- · Replies 4 ·
Confusing Physics Question: How Far Will a Car Travel Before Overtaking a Truck?
- jen333
- · Replies 3 ·
2 mp problems that I sorta understnad but dont?
- RhysticGenesis
- · Replies 5 ·
Solving the Boat Movement After Romeo & Juliet's Kiss: 0.7m
- Satoy
- · Replies 5 ·
Exact Solution for 5sinθ + 2√3 = √3 + 3sinθ - Step by Step Guide
- aisha
- · Replies 2 ·
Calculating Impulse & Work of a Tennis Ball Hit by Racquet
- Satoy
- · Replies 8 ·
Force when 2 blocks pushing against each other
- adrian783
- · Replies 4 ·
Projectile Motion: Designing a Launching Device for Basketball Hoop
- Physics_wiz
- · Replies 3 ·
Angular Acceleration of Rotating Object: $\frac{\pi}{8}$
- UrbanXrisis
- · Replies 2 ·
Why did the cotton ball insulated cup freeze the slowest?
- TooManyHours
- · Replies 5 ·
Help Needed with Physics Homework Involving Springs
- Hadou
- · Replies 2 ·
Method and circuit for an NTC thermistor experiment
- Noj
- · Replies 3 ·
How Much Heat Must Be Removed to Make 3.1 kg of Shaved Ice at 0°C?
- jmandas
- · Replies 2 ·
Currents and resistors and series and parallel you get the idea
- thisisfudd
- · Replies 18 ·
How Does Friction Affect Ball Rolling on a Ramp?
- twiztidmxcn
- · Replies 2 ·
Help Solve Human Energy Problem - 50 kg Hiker Climbs 1000m Mountain
- jmandas
- · Replies 2 ·
FRICTIONLESS INCLINED PLANE.. (some guidance please)
- Utsav
- · Replies 33 ·
Use a calculator to evaluate the following powers
- jai6638
- · Replies 2 ·
Troubleshooting Acceleration Lab Results: Average Velocity vs Time Plot Analysis
- heeeeeeeeeeeeelp
- · Replies 4 ·
What Are the Physics and Chemistry Behind the Pickle Experiment?
- jjjsarnis
- · Replies 2 ·
Head scratching integral calculus hw
- JasonJo
- · Replies 5 ·
Resistors in series and parallel
- thisisfudd
- · Replies 3 ·
Electric potential energy - how is it conserved?
- vaxopy
- · Replies 4 ·
Minimum Angular Speed for Safe Ride on ROTOR
- evan4888
- · Replies 3 ·
Plotting y'=te^{-2t}-2y: Seeking Help
- DivGradCurl
- · Replies 7 ·
Understanding the Chain Rule in Cylindrical Coordinates
- ViktigLemma
- · Replies 6 ·
How can I understand Rotational motion and dynamics better?
- misskitty
- · Replies 3 ·
Charged particle thrown upward (almsot there)
- vaxopy
- · Replies 3 ·
Why Does a Bridge Freeze Before the Road?
- misskitty
- · Replies 6 ·