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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Molar binding energy of uranium-235 nuclei
- deezer
- · Replies 4 ·
Block on a vertical spring: equilibrium vs dropped from rest
- TmrK
- · Replies 1 ·
Lift relative velocity problem.
- Legendon
- · Replies 3 ·
Pendulum - equipartition experiment
- ibysaiyan
- · Replies 2 ·
Magnetic field at point a in a coaxial cable
- Legendon
- · Replies 6 ·
Work done by spring vs hookes law?
- kahwawashay1
- · Replies 2 ·
Total energy loss due to resistance during circular motion
- furor celtica
- · Replies 11 ·
Equilibrium Problem: Solving for Unknown Forces with Newton's Laws
- tim51
- · Replies 1 ·
Mass in circular motion. Draw Diagram and find/explain variables.
- demenius
- · Replies 6 ·
Kinetic energy of 1 kg projectile at highest point
- domtar
- · Replies 1 ·
A charged wire exerts a force on a proton.
- joe41442
- · Replies 3 ·
Calculating Final Speed of a Car with Many Jumpers
- Zolo
- · Replies 5 ·
Effect of density on speed of falling objects
- ajax0604
- · Replies 1 ·
Cylindrical Container Minimum Cost
- karkas
- · Replies 4 ·
Mass in circular motion with friction. Find max height.
- demenius
- · Replies 5 ·
Crate being pulled at angle, find tension
- physicsdreams
- · Replies 1 ·
Heat Absorbed during a process on an Ideal Gas
- adammw111
- · Replies 5 ·
Instances of simple harmonic motion?
- szbxa
- · Replies 1 ·
Physics topics for a race car crash video project
- Redtrack
- · Replies 3 ·
Why does an object fall in the same time as it takes to reach a peak
- mikeza
- · Replies 4 ·
What is the maximum height of the rocket?
- demenius
- · Replies 1 ·
Finding frequency from wave pressure equation
- 1MileCrash
- · Replies 1 ·
Finding the Relationship between Static Friction and Normal Force
- rayj098
- · Replies 1 ·
Time given angular velocity/displacement
- mcarloni
- · Replies 2 ·
Induced current in a loop circuit magnetic field
- iiiiaann
- · Replies 1 ·
Find Final Position of Skater 3 on Lake
- anniecvc
- · Replies 6 ·
Free fall without a lot of info.
- Taz.
- · Replies 3 ·
Finding individual masses from gravitational force and total mass
- madeeeeee
- · Replies 5 ·
Bullet passing through block of wood. Find max height of the wood.
- demenius
- · Replies 3 ·
Finding distance of two runners
- gotpink74
- · Replies 1 ·
Shell fired at 56° with initial speed 1600 m/s
- gotpink74
- · Replies 3 ·
Calculating Molecules in a punctured tire
- J.Welder12
- · Replies 3 ·
Calculating the Acceleration of a Simple Pendulum
- corey2014
- · Replies 5 ·
Inelastic Collision or Conversation of Energy?
- en bloc
- · Replies 8 ·
Finding angle of rod hanging by springs
- TmrK
- · Replies 2 ·
Specific heat capacity and spring elastic limit problems
- MatureS99
- · Replies 12 ·
Calculating Heat Capacity of Krypton at 90K
- ibysaiyan
- · Replies 31 ·
Carousel physics. Calculating constant speed and distance.
- MissJewels
- · Replies 4 ·
Why graph time squared vs. length in a pendulum lab
- QuarkCharmer
- · Replies 3 ·
How do you find the charge of an atom?
- alewisGB
- · Replies 6 ·
Tension questions, creating formula's
- Wommbatt
- · Replies 1 ·
How Long Does It Take for a Child to Swing Back and Forth on a Tire Swing?
- xnitexlitex
- · Replies 2 ·
What is the potential drop and current in this circuit?
- wwari
- · Replies 3 ·
Two catch-up motion problems with constant velocity and acceleration
- MeghanReid
- · Replies 8 ·
Finding the Time for Mass 1 to Hit the Floor in a Rotating Rigid Body System
- hyddro
- · Replies 5 ·
Induced Solenoid Voltage by external magnetic fields
- pradeepk
- · Replies 6 ·
Building a solar model house that holds room temperature
- jotenvall
- · Replies 4 ·
Simple Harmonic Motion and vibration
- rikiki
- · Replies 5 ·
Angular acceleration and moment of inertia on a pulley
- cloudboy
- · Replies 8 ·
Small block on a track - Finding Normal forces and
- nukeman
- · Replies 21 ·
Why are Vc and Vl larger than Source current at resonance in an RLC circuit?
- Woopy
- · Replies 5 ·
Nonconservative collision - Work
- en bloc
- · Replies 3 ·
Solve Exploding Projectile Problem: Find Distance & Energy
- Smartguy94
- · Replies 13 ·
Solving a Mini-Lab Homework Problem on Velocity and Displacement
- xgeek
- · Replies 5 ·
Conservation of Energy / Projectile motion Problem
- ExpoDecay
- · Replies 9 ·
Weight of a man orbiting this given planet
- crazydude
- · Replies 1 ·
Carts and a spring (find velocity of the cart)
- Smartguy94
- · Replies 9 ·
Conservation of energy, speed before case hits spring
- 5.98e24
- · Replies 5 ·
Where is the center of mass of a flat triangular plate with given dimensions?
- jsr219
- · Replies 4 ·
Distance between electrons in electron beam?
- mooneyp
- · Replies 5 ·
Is Torque Minimum When Force is Parallel to the Radius Vector?
- dman_PL
- · Replies 1 ·
Why don't these methods give me the same answer?
- Fewmet
- · Replies 1 ·
Find magnetic force on semicircle using line integral
- auk411
- · Replies 3 ·
Recoil when ball is accelerated but not released
- katieoneill
- · Replies 3 ·
A formula of a car using conservation of energy
- dylanbakos
- · Replies 15 ·
Maximum height for mass leaving rotating wheel at 4.07 m/s
- lefthand
- · Replies 1 ·
Acceleration of Forces Challenge Problem
- tdub96
- · Replies 4 ·
Open top display cooler - energy loss
- ttj
- · Replies 1 ·
Conservation of angular momentum of pucks
- dman_PL
- · Replies 1 ·
Block released on frictionless ramp hits spring
- AmagicalFishy
- · Replies 11 ·
Work done by friction on a decelerating rotating ball
- dman_PL
- · Replies 3 ·
Equations with Newton's Second Law of Motion
- duxlax93
- · Replies 5 ·
Pulling a 19 kg sled with an 11 kg box up a 22° hill
- Wommbatt
- · Replies 4 ·
Finding how high up object travels
- dman_PL
- · Replies 4 ·
Momentum and Degrees: Calculation and Direction
- Crusaderking1
- · Replies 2 ·
Calculating Lid Pressure at Different Altitudes
- warrior2014
- · Replies 6 ·
Finding Tension and Power in an Eskimo's Sled Pull
- dman_PL
- · Replies 2 ·
Kinetic and Rotational energy of a sphere
- hyddro
- · Replies 9 ·
How Is Energy Calculated in Uranium 235 Fission?
- dav1d
- · Replies 3 ·
Finding work done by friction on a crate pulled up a 30° ramp
- Ckalwick
- · Replies 4 ·
Speed of a Roller Coaster, Conservation of Energy
- LiquidPi
- · Replies 2 ·
Fluid problem, pressure in lungs
- kahwawashay1
- · Replies 1 ·
What is the Pressure of a Gas in a Barometric Chamber?
- Termodinamica
- · Replies 2 ·
Find h in terms of angle with the vertical (rotational KE)
- ebeckwith
- · Replies 1 ·
How Does Internal Resistance Affect Battery Performance in a Car?
- mutineer
- · Replies 3 ·
Horizontal projectile from 80 m cliff at 6.0 m/s
- physics_idiot
- · Replies 3 ·
How Do You Calculate Apparent Weight and Buoyant Force?
- ChunkymonkeyI
- · Replies 1 ·
Calculating pressure fromV1 to V2 with a polytropic exponent
- metiz1
- · Replies 6 ·
Motion in Plane: Calculate Angle of Plane Travel w/ Pythagorean Theorem
- dman_PL
- · Replies 8 ·
Is E constant in simple Gaussian diagram?
- ZedCar
- · Replies 4 ·
Magnetic field of 2 infinite wires.
- dikmikkel
- · Replies 1 ·
Total energy, maximum speed, and velocity of mass on spring
- jlin94
- · Replies 1 ·
Finding forces on bolted platform (torques/forces)
- austindubose
- · Replies 4 ·
Angle between position vectors equals angle between velocity vectors in circular motion
- burtonjib
- · Replies 5 ·
Tension in springs (I don't know where 2 start)
- ElectroNewby
- · Replies 1 ·
What is the Relationship Between Electron Energy and Acceleration Voltage?
- Oshada
- · Replies 8 ·
Calculate Larmor Freq. for Electron in n=2 of Hydrogen Atom
- fluidistic
- · Replies 3 ·
Acceleration in 2 Dimensions-Vectors and Projectiles
- Snape1830
- · Replies 3 ·
Can kinetic energy and potential energy both increase?
- thepegmeister
- · Replies 2 ·
Positive vs. negative work in an elevator?
- thepegmeister
- · Replies 3 ·