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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Calculating Oscillation Periods for a Floating Cylinder
- smithg86
- · Replies 6 ·
What is the average force exerted on a baseball during a pitch?
- XPX1
- · Replies 14 ·
Calculating Specific Gravity in Water
- davidatwayne
- · Replies 3 ·
What Are the Physical Meanings of the Parameters in the Lotka-Volterra Model?
- sapiental
- · Replies 4 ·
How to Find Distance from a Velocity-Time Graph
- mindgame
- · Replies 5 ·
Finding net displacement of jogger using graphical method
- JMWM
- · Replies 6 ·
Finding net force on a 300 N wagon accelerating at 0.5 m/s²
- Makaroon
- · Replies 6 ·
Momentum and acceleration due to gravity
- pharaoh
- · Replies 4 ·
Calculating Jump Time of a Star in the Long Jump
- Makaroon
- · Replies 2 ·
Why estimate measurements to half the least count
- junior_J
- · Replies 2 ·
Finding Speed to Push Cart up Hill
- ReoFonzo
- · Replies 5 ·
Tractor and pulleys - expression of speed
- sofija
- · Replies 3 ·
Question 3: What is the net force on a toy locomotive at t=3s?
- LezardValeth
- · Replies 2 ·
What is the angular speed of the cylinder when hit by a clay ball?
- lizzyb
- · Replies 6 ·
Calculating Moon's Acceleration in Circular Motion Relative to Sun
- robgazza
- · Replies 7 ·
Understanding Coriolis Force Dependency on Latitude
- covers
- · Replies 11 ·
When voltage and current are in phase in an RLC circuit?
- HookedOnPhysics
- · Replies 2 ·
Significant figures/rounding what the heck.
- dontdisturbmycircles
- · Replies 6 ·
Box on 35° incline: weight components, friction at rest and during acceleration
- young
- · Replies 3 ·
How Do You Calculate the Depth in This Hydrostatics Problem?
- ceulmad
- · Replies 7 ·
Angular width of diffraction pattern from eyelashes in green light
- tigerguy
- · Replies 7 ·
Atomic physics - nuclear fission
- lingling
- · Replies 3 ·
Atomic physics - reaction and energy
- lingling
- · Replies 2 ·
What is the Mass Ratio of Alpha Particles, Neutrons, and Gamma Rays?
- lingling
- · Replies 3 ·
What is a transverse magnetic field and how does it affect alpha particles?
- lingling
- · Replies 2 ·
Forces at Play in Geiger-Marsden Alpha Particle Scattering
- lingling
- · Replies 1 ·
Heat transfer from water to oil
- tup
- · Replies 3 ·
Finding final velocity from a fall
- lzh
- · Replies 11 ·
Friction and torque of ladder resting on wall
- SA32
- · Replies 2 ·
What Image Forms with an Object Two Focal Lengths from a Diverging Lens?
- sapiental
- · Replies 1 ·
How Do You Solve AP Physics C Mechanics 2002 Free Response Problem 2?
- cokezero
- · Replies 8 ·
How High Would Sally Have to Climb to Offset the Energy from a Low Joule Cola?
- beagle
- · Replies 2 ·
Max mass m2 for cylinder rolling without slipping with pulley system
- ecksee
- · Replies 4 ·
Problem in a non-inertial frame
- coolguy
- · Replies 18 ·
Calculating Temperature Change of Steel Strut in Submarine
- BunDa4Th
- · Replies 8 ·
Grade 11 homework: electrical force, resistance, and magnetism questions
- ehjay01
- · Replies 4 ·
Where does energy go as a ball rolls down and up a slope?
- ReoFonzo
- · Replies 18 ·
How Does Temperature Affect the Density of Helium Gas?
- BunDa4Th
- · Replies 3 ·
Hydrostatic pressure (basic basic stuff)
- mbrmbrg
- · Replies 5 ·
How does engine work relate to gasoline energy content?
- ReoFonzo
- · Replies 8 ·
Why Is My Calculated Centripetal Acceleration So High?
- Onjikaruto
- · Replies 8 ·
Electric Fields in Millikan's experiment
- Forceflow
- · Replies 1 ·
What is the Energy Transfer in a Spring and Oscillation Collision?
- parwana
- · Replies 5 ·
Solving for Meteor's Speed: Unknown Speed!
- DaxInvader
- · Replies 4 ·
Arc distance traveled by point on accelerating wheel
- bosox3790
- · Replies 2 ·
How Do You Calculate Angular Acceleration and Mass in Physics Problems?
- skyhigh302
- · Replies 4 ·
Where is the 5.50 N force applied along the meter stick?
- Adanne
- · Replies 2 ·
Magnetic disk acceleration and revolutions through two phases
- fsm
- · Replies 9 ·
Calculating Horizontal Force of a Bicycle Tire
- Fusilli_Jerry89
- · Replies 15 ·
Removing Infinitesimal Mass Elements from a Hollow Sphere
- PSOA
- · Replies 7 ·
Loss of Mechanical Energy after Collision
- lizzyb
- · Replies 6 ·
Find angle (Projectile Motions)
- Stingarov
- · Replies 7 ·
How Do You Calculate the Frequency of Oscillation for a Massless Spring?
- DizBelieF14
- · Replies 13 ·
Water wave speed in two regions using Snell's law
- kevykevy
- · Replies 1 ·
Finding Mass: Calculating Friction & Motion
- chenny
- · Replies 1 ·
What is the mass of the block of ice?
- chrispsu
- · Replies 2 ·
Ideal Gas Law Helium balloon Problem
- chrispsu
- · Replies 18 ·
2 blocks one over the edge with a pulley
- vivitribal
- · Replies 28 ·
Moment of inertia of triangular prism
- HHveluj
- · Replies 1 ·
Setting up an optical sensor with a dot sequence
- confuzzled1
- · Replies 6 ·
Energy problem - Chain on low friction surface.
- sixstringartist
- · Replies 5 ·
Frictional Energy: Solving for Air Resistance
- gloryrentgirl
- · Replies 2 ·
Classical Mechanics and Net Displacement
- Nicol
- · Replies 7 ·
Elastic collision between white and red pool balls with different masses
- aeroengphys
- · Replies 4 ·
What Factors Affect the Condensation Temperature of Water?
- JESSICA
- · Replies 4 ·
What Is the Maximum Speed to Keep the Flywheel's Wheels on Track?
- Kmaster
- · Replies 5 ·
Simple Harmonic Motion of Inverted Simple Pendulum with a Helium Balloon
- Touchme
- · Replies 2 ·
Train whistles at the same speed produce 4.60 Hz beats
- buttterfly41
- · Replies 2 ·
Mercury U Tube Problem: Solving for Height with Fluid Physics
- twotaileddemon
- · Replies 27 ·
Calculating Net Force on an Otter Using Newton's Second Law
- apples
- · Replies 13 ·
How Does Rotor Diameter Affect Wind Power Output?
- The Guv.
- · Replies 3 ·
Why is the End Area of Shell 2πrdr in the Moment of Inertia Formula?
- PSOA
- · Replies 3 ·
Initial Velocity and Projectiles
- fyzikschik
- · Replies 3 ·
Why does F=ma and what is mass?
- enricfemi
- · Replies 4 ·
Change In Momentum With No Loss Of Ke
- studentmom
- · Replies 3 ·
Convservation of Mech. Energy/Momentum
- AznBoi
- · Replies 2 ·
Calculating Yo-Yo Acceleration, Velocity, and Frequency
- Icheb
- · Replies 3 ·
Finding the 3 Axes of a Sakai Gyro
- Icheb
- · Replies 2 ·
Question On A Problem Don't Agree With Teacher
- PClark02
- · Replies 1 ·
Generic KE problem with a twist.
- Fungiefips
- · Replies 1 ·
How Do You Calculate Oscillation Frequency for a Mass with Two Springs?
- TDAWG12489
- · Replies 1 ·
Momentum and Collisions with a Spring
- catenn
- · Replies 1 ·
Solve Rotational Problem: Find Disc Velocity as Function of Time
- MikkelR
- · Replies 1 ·
Jet airplane (sound waves) problem
- kbyws37
- · Replies 5 ·
Box on ramp needs coefficient of friction to compare forces
- PClark02
- · Replies 10 ·
How Many Cylinders Are Needed to Fill a Hydrogen Balloon?
- woox
- · Replies 1 ·
Why Is the Ball's Energy -196 J at the Bottom of the Well?
- CodeWebs
- · Replies 27 ·
Generally, how do you solve physics problems?
- AznBoi
- · Replies 19 ·
What Is the Tension in the Remaining String After Cutting One Support?
- franniemeow07
- · Replies 2 ·
Spring force and velocity for ball in vertical circular motion
- sixstringartist
- · Replies 3 ·
Thermodynamics compressor Question
- Jason Brooks
- · Replies 3 ·
Wheel decelerating from 100 rpm: finding angular acceleration, torque, and force
- tupldy
- · Replies 13 ·
What is the correct maximum altitude and flight time calculation for a rocket?
- Coffeepower
- · Replies 4 ·
Quantum numbers, Bohr model calculations, and electron diffraction
- smity711
- · Replies 1 ·
Compression of a Spring on an Asteroid?
- smedearis
- · Replies 6 ·
What Is the Linear Acceleration of a Sphere Rolling Down an Incline?
- rleung3
- · Replies 3 ·
M-How to calculate force on a surface due to a beam of particles?
- debwaldy
- · Replies 3 ·
Centripetal force Rotor-ride problem
- Gauss177
- · Replies 6 ·
Some questions concerning centripetal force.
- wtf_albino
- · Replies 8 ·