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 Kinetic Energy of an Alpha Particle Moving from Point A to Point B?
- Quincy
- · Replies 1 ·
Two blocks with different mass
- annabelx4
- · Replies 1 ·
Two Situations of Tension Same Thing?
- jwj11
- · Replies 8 ·
Help with a Potential Energy Problem
- champ0342
- · Replies 1 ·
Forces on a slab of mass Question
- bjgawp
- · Replies 1 ·
Max height expressed with v, theta, and g
- uber_dzl
- · Replies 5 ·
How fast does the rocket leave the ramp?
- pauln
- · Replies 2 ·
Conservation of Energy cannonball
- jmwachtel
- · Replies 15 ·
Potential energy and turning points
- nightshade123
- · Replies 7 ·
Hi I'm Brittney and i'm new, i help on a physics project
- blowe44
- · Replies 5 ·
How to derive magnitude of Electric field to this?
- Innuendo
- · Replies 1 ·
Period of 19 Hz Wave with 0.18 m Amplitude & 0.20 m Wavelength
- mortho
- · Replies 2 ·
How Do You Calculate Spatial Separation in a Mass Spectrometer?
- URIDON81
- · Replies 1 ·
Hanging Masses and Tensions: Finding Equilibrium Angle
- c-murda
- · Replies 3 ·
Need help finding spring constant
- Mustrdhead
- · Replies 7 ·
2 Questions: Centripetal Force related
- Thorlax402
- · Replies 1 ·
What is the Magnetic Field at the Center of a Wire with a Loop?
- feedmeister
- · Replies 2 ·
Projectile Motion, leaping the river
- rocomath
- · Replies 10 ·
Two questions, work-kinetic energy related
- BifSlamkovich
- · Replies 1 ·
Electrostatic Force of water molecule
- Goldenwind
- · Replies 3 ·
Conceptual Question: The Magnetic Field
- delecticious
- · Replies 3 ·
Momentum and Collision with a seat belt
- ankurx13
- · Replies 2 ·
Solving for Kinetic Energy Lost in Spring Gun
- TS656577
- · Replies 3 ·
How Do You Calculate the Acceleration of a Book with Angled Force and Friction?
- Lucky13ESP
- · Replies 10 ·
Solving Firework Explosion Homework Problem
- cstout
- · Replies 2 ·
How Do You Calculate the Maximum Height of a Projectile Using v, Theta, and g?
- Jaramia
- · Replies 12 ·
Geometric algebra cross product
- krcmd1
- · Replies 1 ·
Velocity & Distance of Long Jumper on the Moon
- aLiase
- · Replies 3 ·
Find Potential at Point P: Electric Potential
- tony873004
- · Replies 3 ·
How Do You Calculate I_2 and I_4 Using Kirchoff's Rules?
- ttiger2k7
- · Replies 4 ·
Direction of field intensity .?
- <---
- · Replies 1 ·
Find the Ratio of Recoil Velocities: Blank vs Standard Cartridge
- cstout
- · Replies 5 ·
Mechanics - Gravity at 55 Degrees North
- ronny45
- · Replies 7 ·
Understanding Centripetal Force and Mass Ratios in Rotational Motion
- bpw91284
- · Replies 13 ·
Break down CaCO3 into its constituents
- rww63
- · Replies 2 ·
Rotating wheel, proving that power is proportional to square of torque
- djfusion777
- · Replies 3 ·
Velocity from electric potential
- tony873004
- · Replies 4 ·
Why Does a Bullet Gain More Kinetic Energy Than the Gun When Fired?
- alan4cult
- · Replies 1 ·
Calculating Circular Motion: Velocity, Acceleration, and Weight Ratios Explained
- aligass2004
- · Replies 16 ·
Simple Vector Sum Problem But My Calculated Angles Weird
- jwj11
- · Replies 6 ·
Resistance from Microscopic Ohm's law
- cse63146
- · Replies 2 ·
What Is the Constant of Proportionality in the Equation Q = K1 M?
- dranseth
- · Replies 1 ·
Oscillation:Resonant frequency in vacuum
- a150daysflood
- · Replies 1 ·
Calculating energy of a geosynchronous satellite
- mikee
- · Replies 2 ·
Why Does a Wire Melt? | Current & Resistance Explained
- i.am.lost
- · Replies 4 ·
Quick tangential speed question
- jj8890
- · Replies 11 ·
Spring constant k, car to rest
- len2
- · Replies 2 ·
Newton's second law and a weight and string
- rejz55
- · Replies 4 ·
Advanced 2-D Motion Problem - Bead on Wire
- Runelord
- · Replies 2 ·
How would I find the 2 unknown angles ? :P
- Maximillien
- · Replies 1 ·
What are the Units for V in Electric Potential and Volts?
- tony873004
- · Replies 4 ·
Finding Electric Field for Spherical Charge Distribution?
- jesuslovesu
- · Replies 3 ·
Tennis: Fan Height Calculation from Ball Speed
- soul5
- · Replies 2 ·
What is the force constant of the spring in a collision between two blocks?
- PhysicsOPhun
- · Replies 13 ·
Falling rod with a mass on either end
- clope023
- · Replies 4 ·
[Paper and presentation] Mechanics in Computer
- master cherundo
- · Replies 1 ·
What was the speed of the object when it was released from the table?
- Nightrider55
- · Replies 3 ·
Capacitance of a parallel plate capacitor with two dielectrics
- iamaelephant
- · Replies 2 ·
Object dropped on trampoline - Acceleration
- Below
- · Replies 2 ·
What Are the Correct Calculations for a Geosynchronous Satellite's Orbit?
- jj8890
- · Replies 3 ·
Torque & Equilibrium: Translational & Rotational
- asdasdasd
- · Replies 1 ·
Two-Stage Rocket: Find Speed w/ Fuel Exhaustion & v_ex Req'd for 6 km/s
- faller217
- · Replies 1 ·
Is a 300hp Engine Necessary for Driving Within Speed Limits?
- Sheneron
- · Replies 1 ·
How Do You Calculate Acceleration from Change in Velocity and Time?
- chocolatelover
- · Replies 20 ·
Calculating Work and Kinetic Energy in a Vertical Helicopter Lift
- shenwei1988
- · Replies 4 ·
Electric field work physics problem
- Gear300
- · Replies 8 ·
Calculating Work to Pull a Skier Up a Slope at Constant Speed
- Sheneron
- · Replies 2 ·
Finding the Coefficient of Kinetic Friction for a Sliding Baseball Player
- TheBurningMan
- · Replies 3 ·
Electric Circuits (resolving them)
- bobnojio
- · Replies 1 ·
Solve Free Body Diagrams: Tension, Gravitational, Equations
- MagLok
- · Replies 3 ·
Rolling motion including torque and acceleration
- XxBollWeevilx
- · Replies 2 ·
Conservation of Mechanical Energy in rope swing
- physicsma1391
- · Replies 1 ·
Kinetic Energy and Work Energy Theorem
- just.karl
- · Replies 2 ·
Distance a rocket travels on a launch ramp
- clope023
- · Replies 1 ·
Magnetic torque on sphere on inclined plane
- eagleswings
- · Replies 1 ·
Magnetic plus gravitation force
- eagleswings
- · Replies 2 ·
How to Find Original Speed and Acceleration of a Truck Slowing Down
- chocolatelover
- · Replies 9 ·
Finding the Magnitudes of Charges in a Rectangle Using Electric Field Analysis
- ToyMachine
- · Replies 3 ·
Angular momentum and collisions
- XxBollWeevilx
- · Replies 10 ·
Calculating Charge on Capacitors in Parallel | 40 pF & 70 pF [SOLVED]
- soccerj17
- · Replies 3 ·
Where Is the Gravity Crossover Point Between Earth and the Moon?
- AhmadG
- · Replies 1 ·
The peak frequency of solar radiation?
- zachcumer
- · Replies 12 ·
Solving a QB's Claim: Determining Speed of a Football Throw
- gmunoz18
- · Replies 1 ·
How Are Forces Equal and Opposite in a Moving System?
- Dahaka
- · Replies 10 ·
What force gives me this impulse?
- Nightrider55
- · Replies 1 ·
What is the angular momentum of a falling ball about a point on a flagpole?
- XxBollWeevilx
- · Replies 3 ·
Calculating Air Speed & Water Height in Straws
- ruffkilla
- · Replies 9 ·
Solving for K and M in Quick Question ( y = mx + c )
- _Mayday_
- · Replies 9 ·
Momentum and impulse of a bullet
- mattgad
- · Replies 4 ·
Centripetal merry-go-round problem
- wegman14
- · Replies 4 ·
Proving Constant Acceleration's Impact on Average Velocity
- chocolatelover
- · Replies 4 ·
How Can I Solve for k in the Equation v = d√(k/m)?
- PhysicsOPhun
- · Replies 1 ·
Evaluating a QB's Claim: Speed of Throw Required
- gmunoz18
- · Replies 11 ·
How Does Voltage Influence Electron Motion in a Magnetic Field?
- xxkylexx
- · Replies 3 ·
Angular Velocity and Acceleration Problem
- iwonde
- · Replies 2 ·
What is the Kinetic Energy and Velocity of a Falling Asteroid?
- clope023
- · Replies 10 ·
Root mean square velocity of CO2 molecules
- Plasma
- · Replies 2 ·
Calculating time constant in RC Circuit
- thatgirlyouknow
- · Replies 3 ·
Marble Spinning in Steel Tube: Horizontal Circle or Spiral Down?
- Nightrider55
- · Replies 7 ·
How Much Force Is Needed for One Million Atmospheres with Diamond Tip Presses?
- JWHooper
- · Replies 3 ·