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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Rigid Bodies including topics of power and torque.
- moo5003
- · Replies 4 ·
How Can Angular Velocity Be Expressed as a Function of Theta for a Falling Rod?
- moo5003
- · Replies 2 ·
What is the final temperature of a glass mug filled with hot water?
- jakeowens
- · Replies 3 ·
Understanding Internal & External Forces: Beginner's Guide
- M@er
- · Replies 3 ·
Angular acceleration of a wheel
- suspenc3
- · Replies 8 ·
Solving for Speed, Height of Boy on Water Slide
- hannsparks
- · Replies 38 ·
Time vs Height of a freefalling object. Please help me
- Harvey
- · Replies 3 ·
Some more electromagnetism questions (ac generators)
- KatieKangaroo
- · Replies 1 ·
Find the total outward force exerted on the vertical wall
- SoccaCrazy24
- · Replies 8 ·
How Do You Convert RPM to Radians Per Second for a Flywheel?
- suspenc3
- · Replies 11 ·
Simple angular momentum question
- itzela
- · Replies 2 ·
A question for which I *should* know the answer
- ptabor
- · Replies 8 ·
Coefficient of static friction
- hannsparks
- · Replies 5 ·
What is the relationship between pressure and fluid dynamics in this problem?
- willworkforfood
- · Replies 2 ·
Calculate Time for Perfect Roll on a Frictional Surface | Physics Help
- Päällikkö
- · Replies 10 ·
Calculating Heat Energy in a Refrigerator - Solving for Qh and Qc
- dekoi
- · Replies 8 ·
My teacher hasnt been in and Im trying to self teach this topic. Can
- KatieKangaroo
- · Replies 1 ·
A bead in circular motion in space
- Lisa...
- · Replies 1 ·
Solve Capacitor Caper Problem: 25V, 580 Hz, 0.23 A Increase
- fizixx
- · Replies 11 ·
Work, Energy & Motion: Connecting the Concepts
- teken894
- · Replies 8 ·
Circular Motion and Displacement
- brad sue
- · Replies 3 ·
Verification of the kinematics relationship
- alex_boothby
- · Replies 2 ·
How Does a Bullet Passing Through a Block Affect Speed and Energy?
- Memphis213
- · Replies 1 ·
Mars Surface Curvature: 2m/3600m
- touqra
- · Replies 2 ·
Escape Speed Calculation for Identical Planets
- zhen
- · Replies 2 ·
Force needed to pull the string
- anand
- · Replies 1 ·
Solving the Twist: Athlete's Angular Momentum and Stopping Movements
- Winner
- · Replies 10 ·
Use mercury barometer to fing height of building
- stuplato
- · Replies 1 ·
HELP having trouble finding calories
- KatParker35
- · Replies 4 ·
What is the acceleration of the balloon and instruments?
- vinny380
- · Replies 1 ·
How to Calculate Positions of Observers Using Lorentz Transformation
- mrjeffy321
- · Replies 3 ·
Converting Planck's Constant for Energy Unit Matching
- Erwin Schrodinger
- · Replies 2 ·
Calcuating the integral E.ds for the paths given, what did i do wrong?
- mr_coffee
- · Replies 5 ·
What would an Ideal Volt Meter measure if
- tmb
- · Replies 5 ·
How Do You Derive the Moment of Inertia for a Film Projection Wheel with Holes?
- leospyder
- · Replies 8 ·
Question involving Uncertainty Principle.
- brat-sampson
- · Replies 2 ·
Question regarding change in internal energy
- erik-the-red
- · Replies 3 ·
Help with Physics Problem: Finding Distance d for Ball to Strike Peg
- chuxingli
- · Replies 10 ·
Simple Harmonic Motion acceleration problem
- NutriGrainKiller
- · Replies 4 ·
Find the coefficient of kinetic friction between the crate and the surface
- hannsparks
- · Replies 4 ·
Question about some physics, moving obstacles.
- Pytagoras
- · Replies 1 ·
Physics Help: Calculating Speed for a Sled Collision Test Tomorrow
- Pytagoras
- · Replies 4 ·
Will a Rolling Ball on a Level Surface Ever Stop?
- Euclid
- · Replies 5 ·
Spring, Amplitude and Acceleration
- dukkie
- · Replies 20 ·
Electric potential and electric potential energy question
- firebug
- · Replies 1 ·
Car Crash Scenario Math: Is 114285 Pa Too High?
- Frank_Horrigan
- · Replies 3 ·
Negative Angular Velocity: Is It a Change in Direction?
- NotaPhysicsMan
- · Replies 3 ·
Check my work on torque and angular velocity
- NotaPhysicsMan
- · Replies 16 ·
Volume expansion problem wheres initial volume?
- Dantes
- · Replies 2 ·
Solve F for 400N Post on 36.9° Rope
- marialo
- · Replies 1 ·
Solve Force Colliding: 58N & 18N, 2.7kg & 8.4kg
- suddendeath87
- · Replies 2 ·
Torque and center of mass question
- ktpr2
- · Replies 4 ·
How Do You Calculate Motorcycle Speed Using the Doppler Effect?
- dustybray
- · Replies 1 ·
What Calculations Determine the Dynamics of a Ball in Vertical Circular Motion?
- thugg
- · Replies 1 ·
How can I use this applet to find the wavelength of a sound wave?
- jakeowens
- · Replies 1 ·
Probability distribution of the momentum value p
- NEWO
- · Replies 2 ·
Can anyone help my start this problem?
- physics_ash82
- · Replies 4 ·
A Difficult Mechanics Problem (Work-Energy?)
- chaose
- · Replies 5 ·
Who Hits the Ground First? - Gravity Explained
- khizman
- · Replies 2 ·
Angular Velocity Calculation for a Ballistic Cylinder with a Fired Bullet
- Punchlinegirl
- · Replies 4 ·
Why Is My Wavelength Calculation Incorrect?
- lw11011
- · Replies 1 ·
Quick question about Equilibrium w/ Stress
- ovoleg
- · Replies 2 ·
Why did I get the wrong answer?
- dukkie
- · Replies 2 ·
Wave Changing Air Pressure (should be easy, help please)
- Seiya
- · Replies 2 ·
What is the Angular Momentum After a Totally Inelastic Collision?
- jalapenojam
- · Replies 9 ·
Solve Spring Equilibrium Problem: (a) & (b) w/ Friction
- cgotu2
- · Replies 4 ·
Wave Equation: U is Amplitude Vector?
- PhiJ
- · Replies 13 ·
Can an Object Move in a Circular Path Without Being Accelerated?
- Equilibrium
- · Replies 1 ·
Conservation of angular momentum on a frictionless table
- Punchlinegirl
- · Replies 17 ·
Question on Diffraction and interference.
- brat-sampson
- · Replies 1 ·
Calculating Car Velocity and Pendulum Forces in a Turn: A Scientific Approach
- Werg22
- · Replies 6 ·
Wires Magnetic field question
- meadow
- · Replies 2 ·
Specific Heat of aluminum Problem
- noboost4you
- · Replies 5 ·
Question about satellite orbit
- InstaGaeta
- · Replies 1 ·
Double Slit Problem: Solve for D2-D1 with 500nm Wavelength
- knox_122
- · Replies 1 ·
Work problem of person pushing box
- jacy
- · Replies 17 ·
How can I use math to calculate the distance of a trebuchet-launched projectile?
- whatzzupboy
- · Replies 2 ·
Is Ffr=ma=m(v^2/r) Correct for Given Values?
- nrc_8706
- · Replies 9 ·
How to Calculate Force of Water in Rotating Pail | Physics Problem
- nrc_8706
- · Replies 11 ·
Fluid Dynamics - Please check my answers
- stuplato
- · Replies 10 ·
How Does Wind Affect the Forces on a Hanging Spider?
- DB
- · Replies 8 ·
What Are Some Interesting Grade 11 Physics Article Topics?
- Mark_P
- · Replies 3 ·
Unraveling the Mystery of Clockwise and Counterclockwise
- Trista
- · Replies 3 ·
What is the Amplitude of a Mass-Spring System?
- dukkie
- · Replies 2 ·
What is the emf induced in the looop?
- mr_coffee
- · Replies 3 ·
How Do You Calculate the Force of a Falling Book on the Floor?
- drod
- · Replies 6 ·
What is the relationship between mass and velocity in orbits?
- Dooga Blackrazor
- · Replies 2 ·
Racing car centripetal force problem
- nrc_8706
- · Replies 2 ·
Examining the Evidence: Were the Moon Landings Real or Fake?
- Mceestix
- · Replies 11 ·
Solving Relativity and Decay Problems
- Inconsistency
- · Replies 3 ·
How High Could an Athlete Jump on Mars Compared to Earth?
- brad sue
- · Replies 1 ·
Understanding Elastic and Head-On Collisions: What's the Difference?
- gunblaze
- · Replies 2 ·
How Does Doppler Effect Influence Perceived Sound Frequency?
- frozen7
- · Replies 1 ·
The classically forbidden region
- NEWO
- · Replies 3 ·
Why does water evaporate even below its boiling point?
- dyiu9632
- · Replies 1 ·
How Does Romeo's Climb Reveal the Coefficient of Static Friction?
- ViewtifulBeau
- · Replies 2 ·
4 hard (long) problems- problem set.
- ForKeli
- · Replies 4 ·
Solving Rotational Dynamics: 4.0 Nm Torque, 4.0 kg Cylinder, 2.0 s
- kingyof2thejring
- · Replies 4 ·
Question regarding Conservation of Energy
- xxdrossxx
- · Replies 5 ·
Calculating Max Emf from Electric Generator Coil
- mr_coffee
- · Replies 10 ·