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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Find the kinetic energy stored in the flywheel
- persephone
- · Replies 3 ·
How Much Force to Slide a 10 kg Box with Friction?
- lxared
- · Replies 2 ·
Torsion - Coupling connecting two shafts
- Tom McCurdy
- · Replies 1 ·
[Collision with 2 Clay Balls] [Inelastic Collisions] [Help Finding Theta]
- Nulligan
- · Replies 1 ·
Ball falling on to parabolic track
- jemstone
- · Replies 3 ·
Effect of Two Springs on an Object
- jemstone
- · Replies 3 ·
Solving Rifle Recoil & Force: A 30-06 Hunting Rifle Case Study
- redhot209
- · Replies 1 ·
Projectile motion radar antenna
- physics0926
- · Replies 1 ·
Projectile Motion of golf chip shot
- bkoiskewl1
- · Replies 3 ·
Effect of Dielectric Material on Electric Field in a Parallel Plate Capacitor
- Sheneron
- · Replies 6 ·
Work-Energy Theorem: Calculating Work Done on a Sliding Block
- kmikias
- · Replies 5 ·
Calculating Force for Uniform Deceleration in a Mass-Force Relationship
- redhot209
- · Replies 4 ·
How Much Force to Move a 150 kg Crate on Different Friction Surfaces?
- bmandrade
- · Replies 9 ·
Solving Two Veggie Patties Physics Problem
- vpv
- · Replies 5 ·
Calculating Power of DC-3 Airplane Takeoff: 9500 kg Mass, 110 km/h Speed
- nm12182
- · Replies 1 ·
What is the Work Done on a Carton on an Inclined Ramp?
- SuPaFly43218
- · Replies 3 ·
Twin Paradox and Time Travel (Special Relativity)
- scurry18
- · Replies 5 ·
Finding the Critical Velocity for Special Relativity Effects
- scurry18
- · Replies 4 ·
Gaussian Cylinder Electric Field and Net Charge Calculation
- Doc Z
- · Replies 19 ·
Launching from Mars - Mass & Radius of R_m
- soupastupid
- · Replies 3 ·
Does Equal Kinetic Energy Imply Different Momenta for Cars with Varying Masses?
- avenkat0
- · Replies 8 ·
Block colliding with movable ramp
- ionic_scream
- · Replies 1 ·
Solving for Upward Acceleration: Using a Basic Pulley System
- eatingblaa
- · Replies 11 ·
Braking Distance Increase Factor w/ 50% Speed Increase
- sugarntwiligh
- · Replies 2 ·
Two blocks and a pulley homework
- duketogo
- · Replies 2 ·
Work done by force Fx = Cx³ on 1.5 kg particle
- maniacp08
- · Replies 1 ·
Impulse in Inelastic Collisions
- avenkat0
- · Replies 13 ·
How Does Wind Affect the Maximum Roundtrip Distance of a Jetliner?
- pippintook
- · Replies 1 ·
Total induced emf at different speeds
- cryptoguy
- · Replies 4 ·
How Does Bohr's Atomic Model Address Electron Energy Loss?
- Ahsan Khan
- · Replies 2 ·
Magnetic Moment, Electron Spin, Energy
- roeb
- · Replies 1 ·
What is the Angular Velocity of the Runner and Turntable System?
- anubis01
- · Replies 2 ·
Tension between two accelerating forces.
- Notyou
- · Replies 10 ·
Calculating decay constants and half-life
- Steph191290
- · Replies 9 ·
What is the Magnitude of Frictional Force with Varying Applied Forces?
- hansel13
- · Replies 3 ·
Calculte the Energy of 1 mole of photons - Help
- lucky_star
- · Replies 4 ·
Solving Elliptical Orbit Homework: Comet's Semi-Major Axis & Sun Distance
- myoplex11
- · Replies 1 ·
Biot-Savart Law (infinite filament)
- gsan
- · Replies 2 ·
Conservation of momentum (neuclear decay)
- avenkat0
- · Replies 7 ·
Measuring Potential Difference Across 4.5kOhm Resistor w/ Voltmeter
- physstudent1
- · Replies 1 ·
How Did the Father Match His Son's Kinetic Energy After Speeding Up?
- netrunnr
- · Replies 1 ·
How Do You Calculate Angular Acceleration from Initial Speed and Angle Change?
- xregina12
- · Replies 1 ·
Calculating Normal Force on Pilot in Air Show Loop
- myoplex11
- · Replies 1 ·
How much mechanical work was done by 2 men lifting a boat 24 times?
- maxdaddy
- · Replies 3 ·
How Does a Mass and Spring System Behave on an Inclined Plane?
- besenji
- · Replies 1 ·
Momentum of an explosion problem. Desperately
- Alphonso
- · Replies 1 ·
How Do You Calculate Earth's Angular Velocity in Its Orbit?
- ch2kb0x
- · Replies 1 ·
Coefficient of kinetic friction for spring-block system
- besenji
- · Replies 1 ·
Is a Constant Force Always Conservative?
- zoner7
- · Replies 1 ·
Forces and Motion, Free-body diagrams help
- FEMA
- · Replies 1 ·
Electric potential due to line of charge
- stickyrice581
- · Replies 4 ·
Gauss's Law to Symmetric Charge Distribution
- magda3227
- · Replies 6 ·
Planet Motion: Calculate Star Mass
- myoplex11
- · Replies 1 ·
Help triangle within a circle find side of triangle
- kmiller
- · Replies 1 ·
Make a Spreadsheet for Homework: Cos & Sin Graphs
- fk378
- · Replies 8 ·
Is a Central Force Always Conservative?
- subwaybusker
- · Replies 1 ·
Power of Elevator: Calculating Motor Power Needed
- blayman5
- · Replies 1 ·
Magnetic flux in a straight wire to a cylinder
- goWlfpack
- · Replies 3 ·
How Does Earth's Magnetic Field Flux Change with Loop Orientation?
- goWlfpack
- · Replies 3 ·
Conservation of energy involving spring and friction
- IniquiTrance
- · Replies 1 ·
Thermal expansion, percent change in density problem
- ctpengage
- · Replies 2 ·
Solving a Kinetic Energy Conceptual Question: 0.5m * v^2?
- netrunnr
- · Replies 5 ·
Thermal Energy dissapated from brakes.
- besenji
- · Replies 4 ·
Find the boat's speed as a function of time
- khdani
- · Replies 2 ·
How is thermal energy affected by friction on an inclined plane?
- mystic3
- · Replies 5 ·
Estimating Mass of the Milky Way Galaxy
- myoplex11
- · Replies 3 ·
Calculating the Radius of a Geosynchronous Satellite Orbit Around Earth
- aligass2004
- · Replies 3 ·
Where Will a Falling Particle Leave a Sphere with No Friction?
- fluidistic
- · Replies 5 ·
How Is Tension Calculated in a Pulley System with Unequal Masses?
- Notyou
- · Replies 1 ·
Dimensional analysis to determine unknown exponents
- Vasili
- · Replies 1 ·
How to build a cart that moves from suspended mass
- DylanMX
- · Replies 3 ·
Which Energy Levels in Hydrogen Produce the Red Line?
- catkin
- · Replies 5 ·
Mass of a ball with different density
- asi123
- · Replies 6 ·
Understanding the Red-Boxed Formula
- gsan
- · Replies 20 ·
Solve the equation vf = vi + at for acceleration
- joykizz_16
- · Replies 3 ·
Calculating Moment of Inertia at Point A
- asi123
- · Replies 8 ·
Minimum Force to Lift a Cylinder: Explained
- asi123
- · Replies 2 ·
Refraction Problem: Find Angles with Triangles
- khoais
- · Replies 5 ·
Surface charge density of Styrofoam
- Gear300
- · Replies 6 ·
Block held against wall, force problem
- azure kitsune
- · Replies 3 ·
Circular Motion Problem: Solving for Revolutions with Constant Acceleration
- mjolnir80
- · Replies 2 ·
Is Your Thermodynamics Exam Coming Up?
- PeterSK
- · Replies 2 ·
What Is the Magnetic Force Per Unit Length on a Wire in a Bundle?
- Ithryndil
- · Replies 2 ·
Deleted Data: What You Need to Know
- wolffbite
- · Replies 1 ·
Calculating Orbital Velocity and Probe Velocity in a Hohmann Transfer to Neptune
- garyman
- · Replies 1 ·
Problem using conservation of angular momentum
- john001
- · Replies 2 ·
Calculating the motion of binary stars
- hragsarkissia
- · Replies 2 ·
How Do You Delete an Accidental Forum Post?
- chem_is_lovex
- · Replies 3 ·
Inclined plane car out of gas problem
- angeljunti
- · Replies 9 ·
Is this ok with Polar coordinates?
- Azorspace
- · Replies 2 ·
Calculating Mechanical Energy Change of 1100kg Car
- uno
- · Replies 3 ·
Calculating the coefficient of kinetic friction homework
- Lokhtar
- · Replies 7 ·
Magnitude and Direction of Electric Field at the origin? Please help
- SilverGirl
- · Replies 14 ·
Electric/Magnetic Field Technologies
- temaire
- · Replies 1 ·
HELP. exam tomorrow. practice midterm questions
- taproot729o6
- · Replies 1 ·
Where is the center of mass of the slab
- ganondorf29
- · Replies 2 ·
2 people in a canoe, switch places, canoe moves, find mass of one person
- musicfairy
- · Replies 8 ·
Little Nellie Newtons Force Problems
- jawo3
- · Replies 4 ·
Electromagnetic Spectrum Problem Help
- TLeo198
- · Replies 3 ·
Insulator/Conductor Question with picture
- swooshfactory
- · Replies 2 ·