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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How can I rationalize the numerator in this fraction with square roots?
- JettyZ
- · Replies 10 ·
Calculating Initial Velocity in Vertical Projectile Motion
- GrandMaster87
- · Replies 2 ·
How does charge behavior affect a conducting rod's ends?
- grandprix
- · Replies 6 ·
Projectile trajectory (True/False)
- sonutulsiani
- · Replies 13 ·
Gravitational Motion: Find 2 Objects' Height Above Ground
- movsesinator1
- · Replies 3 ·
How much energy a photon has to have the momentum of a 10MeV proton
- ckp
- · Replies 7 ·
Electric flux through cube faces with point charge at center
- grandprix
- · Replies 3 ·
Critical angle at oil-water interface and refraction problems
- MikeDDD
- · Replies 2 ·
Can You Qualify for the Olympics by Long Jumping on a Moon?
- r_swayze
- · Replies 6 ·
Rearranging acceleration equations
- gadawg90
- · Replies 3 ·
Deflection of beam due to magnetic field
- ttiger2k7
- · Replies 9 ·
Calculating Displacement of Roller Coaster Motion
- gadawg90
- · Replies 4 ·
How to Solve for A and Theta in a Difficult Vector Problem?
- ur5pointos2sl
- · Replies 7 ·
Critical speed of a banked curve (with friction.)
- Shipman515
- · Replies 6 ·
Acceleration in terms of position
- yoamocuy
- · Replies 4 ·
Velocity, Acceleration, Car problem
- M1ZeN
- · Replies 1 ·
Average speed, and total distance traveled
- Porcelain
- · Replies 2 ·
Electric field at point from two point charges on x axis
- grandprix
- · Replies 1 ·
How Do You Calculate Forces in a Three-Charge System?
- grandprix
- · Replies 2 ·
Finding magnitude and direction of a rocket
- CandyApples
- · Replies 2 ·
How fast must a car go to average 60 km/h over 200 km?
- Loppyfoot
- · Replies 3 ·
Kinematics Problem on hot air balloon
- gadawg90
- · Replies 1 ·
Need help finding what formula to use?
- maegenr8
- · Replies 7 ·
Displacement and 1-D Kinematics
- Loppyfoot
- · Replies 2 ·
Voltage at Vab, balancing, Increasing
- talaroue
- · Replies 1 ·
Thermodynamics- pV^n = constant.
- NBAJam100
- · Replies 6 ·
Simple Harmonic Motion Archimedes
- Eric_meyers
- · Replies 5 ·
What Temperature Makes Copper and Iron Wires Equally Resistant?
- electricblue7
- · Replies 1 ·
Finding the x-component of electric field from a charged quarter-circle arc
- Punchlinegirl
- · Replies 6 ·
What is the Maximum Speed and Average Speed of a Subway Train Between Stations?
- tigerlili
- · Replies 1 ·
Volumetric Expansion of Liquids
- chunkytuna21
- · Replies 13 ·
Converting Minutes to second in sig figs
- swiftjab
- · Replies 2 ·
How Do You Calculate the Magnitude of Vector B in a Closed Hiking Trail Problem?
- malik123
- · Replies 13 ·
Speed, Velocity and Average Acceleration
- slu1986
- · Replies 29 ·
How Do You Calculate Total Displacement in Multi-Directional Vector Problems?
- Marioqwe
- · Replies 1 ·
Calculating excess charges on Earth's surface?
- fluidistic
- · Replies 14 ·
Harpsichordist driving 124 miles: average speed and velocity with direction change
- slu1986
- · Replies 5 ·
How Do You Calculate the Frequency of Radio Waves with a Wavelength of 100mm?
- poojarao
- · Replies 5 ·
Finding acceleration and distance for cars slowing to rest
- magdalenagirl
- · Replies 10 ·
Total resistance of parallel copper and aluminum wires at different temperatures
- talaroue
- · Replies 2 ·
How Do Pt Graphs Convert to Vt Graphs in Physics?
- 123bob123
- · Replies 1 ·
Movement in a straight line problem
- tigerlili
- · Replies 8 ·
Angular momentum and Linear momentum elastic collision
- Unperfect
- · Replies 6 ·
What is the Capacitance of a Capacitor When a Conductor is Inserted?
- electricblue7
- · Replies 1 ·
Finding the magnitude of a vector sum with components
- luiseduardo
- · Replies 4 ·
Average speed for 80km at 100 km/h and 50km at 75 km/h
- AKsamantha
- · Replies 2 ·
Displacement of a point on a wheel rolling half a revolution
- Darkhrse99
- · Replies 3 ·
Solving for Blood Pressure Difference: What Now?
- Proleague
- · Replies 2 ·
How Does a River Affect Chaining Accuracy in Surveying?
- zainhasan
- · Replies 1 ·
What Is the Magnitude of the Electric Field Acting on a Charged Mass?
- lala78
- · Replies 4 ·
Finding Thickness of glass knowing OPD and refractive index.
- wiped_out
- · Replies 1 ·
Finding Incident Intensity for Unpolarized Light
- wiped_out
- · Replies 1 ·
Buoyancy and Archimedes' Principle (Helium ballon and cargo problem)
- Proleague
- · Replies 3 ·
Finding block acceleration from fall distance and time with wrapped pulley string
- unicycle456
- · Replies 1 ·
Volume of dissolved oxygen gas at standard conditions
- Brzostek
- · Replies 1 ·
Acceleration in terms of velocity
- yoamocuy
- · Replies 3 ·
Find Average Velocity of cart rolling down the slope.
- Arshad_Physic
- · Replies 3 ·
How long is a stone in air thrown upward from a 12 m window?
- Firebird
- · Replies 9 ·
Energy of a Dipole in a Constant E Field
- saxyliz
- · Replies 2 ·
Model rocket maximum height with constant acceleration phase
- Kennyh
- · Replies 10 ·
Flea takeoff with 2000 m/s² acceleration: gravity or constant acceleration?
- kashiark
- · Replies 16 ·
What Forces Balance a Knot Pulled by Three Different Ropes?
- mjunderhill
- · Replies 2 ·
Acceleration in free fall: find final velocity and height
- Firebird
- · Replies 4 ·
Current in the curcuit from watts and volts
- bbhh
- · Replies 3 ·
Conduction, How much heat flows through per second?
- chunkytuna21
- · Replies 2 ·
What is the Solution to Gauss's Law for a Charged Plate Capacitor?
- exitwound
- · Replies 5 ·
Calculating Induced EMF from AM Radio Broadcast and Dipole Antenna
- cmerickson21
- · Replies 3 ·
Problem with electric diagrams.
- bbhh
- · Replies 13 ·
Calculating Percent Uncertainty in Area of a Circle
- fattydq
- · Replies 3 ·
Time for Car 1 and Car 2 Collision: Solving the Puzzle
- Bryon
- · Replies 3 ·
Ball thrown upward at 30 m/s, find velocity after 4 seconds
- fattydq
- · Replies 14 ·
Calculating Average Speed of a Car Round Trip
- tigerlili
- · Replies 14 ·
Unknown Charge Ratio Calculation
- jlwood13
- · Replies 3 ·
Rigid Body Equilibrium problem (no calculus)
- minhaitran
- · Replies 4 ·
Acceleration Homework Help: Motion Diagram and Sticky Track Analysis
- Mirole
- · Replies 2 ·
Particle problem, velocity and acceleration
- tigerlili
- · Replies 6 ·
Why Might an Ocean-Based Thermal Energy Scheme Fail to Be Sustainable?
- dsfranca
- · Replies 1 ·
Solving Acceleration Problems with Variables Explained
- Firebird
- · Replies 9 ·
How to Compute Average Velocity for Mixed Walking and Running Distances?
- tigerlili
- · Replies 3 ·
Electric Field due to a Dipole (not on a z-axis)
- Oijl
- · Replies 3 ·
Solve for Ball's Height After Launch in Circular Chute
- stod
- · Replies 2 ·
Calculating Potential Energy of Three Point Charges
- disque
- · Replies 2 ·
Electro-statics Picture included (got most of it done, numbers not working out)
- mdxod
- · Replies 14 ·
Solve Cable DBE Force Components @ D for Equilibrium Problem
- talaroue
- · Replies 19 ·
SHM block on a string questions
- novelized
- · Replies 1 ·
Calculating Work Done by a Gas on a p-V Diagram
- jr662
- · Replies 8 ·
Average Acceleration Problem checking answer
- fattydq
- · Replies 1 ·
Should I average the following when calculating heat capacity?
- shredder666
- · Replies 6 ·
How Does Gauss' Law Apply to Complex Cylindrical Charge Distributions?
- TwinGemini14
- · Replies 3 ·
Skier accelerating down a 20m slope with friction
- GrandMaster87
- · Replies 6 ·
Statics Problem - Moment on a Bridge
- TimChoi89
- · Replies 4 ·
Calculating the Distance Fallen by an Electron Beam
- Warmacblu
- · Replies 3 ·
Rescue plane drops rations from 113 m at 40 m/s
- Warmacblu
- · Replies 16 ·
Why Does a Car Lift Wheels During Sharp Turns?
- semc
- · Replies 3 ·
Latent heat of fusion for Silver
- jr662
- · Replies 3 ·
Two identical like-charged conductive spheres are placed very close
- dlslhc
- · Replies 2 ·
How do find the displacement when it is =ing to distance
- 1/2"
- · Replies 3 ·
Spring constant and electric field with Coulomb's law
- Anthem26
- · Replies 1 ·
Deceleration, velocity, acceleration, distance
- munchy35
- · Replies 1 ·
Calculating Separation of Car and Truck
- egadda2
- · Replies 2 ·