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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Minimum friction coefficient to prevent slipping between stacked boxes
- highc
- · Replies 36 ·
Object dropped from tower with deflection problem
- telekpsi
- · Replies 1 ·
How short a distance to come to a stop without sliding?
- rachie9
- · Replies 2 ·
Simple AC circuit theory problem
- backstance
- · Replies 2 ·
Calculate Tension in String Supporting Copper Block
- luckyme
- · Replies 5 ·
Help with my physics homework please
- madman555
- · Replies 1 ·
Rotational kinematics of analog clock
- Chrisleo13
- · Replies 2 ·
Wavelength, Frequency, & Speed of Light in Different Media
- jcvince17
- · Replies 2 ·
How high up on a ladder can he go without the ladder slipping?
- rachie9
- · Replies 3 ·
Power of Elevator Motor: 500kg Acceleration & Cruising Speed
- Geminiforce
- · Replies 3 ·
Converting Wavelength to Nanometers
- jcvince17
- · Replies 2 ·
Rotational mechanics and Angular Momentum- help needed to check over work
- ultrapowerpie
- · Replies 1 ·
Calculating Potential Between Conducting Shells
- LocationX
- · Replies 36 ·
How many times will the particle stop in an hour?
- devanlevin
- · Replies 6 ·
Max Weight for Dropping Rope w/ Mass m
- telekpsi
- · Replies 1 ·
Finding a max angular acceleration
- jhayes25
- · Replies 1 ·
Did I Solve the Tray Oscillation Problem Correctly?
- kky1638
- · Replies 1 ·
What is the kinematics of a constant power motion?
- LeroyR/T
- · Replies 4 ·
How Does Falling Water Affect Scale Readings?
- asura
- · Replies 1 ·
Another mechanics question (a simpler one, I proimise)
- Abukadu
- · Replies 6 ·
Calculating Change in Internal Energy for Compressed Air in a Closed System
- tommyhakinen
- · Replies 4 ·
Calculating Proton Kinetic Energy in an Electric Field
- tommyhakinen
- · Replies 4 ·
What Is the Height at Which the Boy Leaves the Ice?
- Kudo Shinichi
- · Replies 12 ·
Pendulum and cart harmonic motion
- Frillth
- · Replies 2 ·
Are All Waves Periodical?
- FrostScYthe
- · Replies 2 ·
Work done by spring bringin block to rest
- bocobuff
- · Replies 3 ·
Partial RL Circuit: Solving for Current in Inductor with Kirchhoff's Rules
- Ithryndil
- · Replies 3 ·
Calculating Torque & Angular Acceleration of a Current Loop
- ibaraku
- · Replies 1 ·
Yo-Yo Motion Puzzle - Find the Speed & Time of Fall
- lfabb
- · Replies 1 ·
Solve Pressure Problem: Upward Force for Ocean Hatch
- tommyhakinen
- · Replies 2 ·
How Does Pivot Position Affect the Period of a Physical Pendulum?
- Frillth
- · Replies 1 ·
Bernoulli's Equation on water hose
- maniacp08
- · Replies 2 ·
Race between a Speedy Tortoise and a Resting Hare
- scottzilla
- · Replies 3 ·
Instantaneous Velocity of a particle
- AcidicVision
- · Replies 1 ·
Centripetal Force on an incline + Fricktion
- Infamous_01
- · Replies 4 ·
Projectile-Target Collision: Percentage of Incident Kinetic Energy Transferred?
- terrib
- · Replies 3 ·
Why Does a Shower Curtain Move Towards You in a Hot Shower?
- Denioc
- · Replies 1 ·
Calculating Average Force Exerted on Pile Driver by I-Beam
- sylavel
- · Replies 3 ·
How Do You Calculate Speeds on a Banked Race Track Without Friction?
- Miss1nik2
- · Replies 7 ·
Simple Index of Refraction Question - chart
- jcvince17
- · Replies 2 ·
Conservation of Angular Momentum of Star
- ganondorf29
- · Replies 1 ·
Kinematics: Solving Questions on Ball Thrown off 50m Cliff
- davo
- · Replies 7 ·
Quantum Particle in a box problem HELP
- krugertown
- · Replies 1 ·
Elastic collision: Help solving for unknowns
- xxtacofishxx
- · Replies 3 ·
Finding the Acceleration at Point Q of a Ball Pendulum Problem | Homework Help
- blayman5
- · Replies 13 ·
Find the magnitude of the velocity vector on impact
- ilovedeathcab
- · Replies 4 ·
What are Some Momentum Questions and How Can I Solve Them?
- musicfairy
- · Replies 12 ·
How Is Momentum Conserved in a Two-Body Collision?
- kmikias
- · Replies 1 ·
Ballistic Pendulum Rifle: Solving for Post-Collision Height
- Tohte
- · Replies 10 ·
How Long Should an Organ Pipe Be to Resonate at 16.4 Hz?
- viciousp
- · Replies 1 ·
Experimental error for the travelling microscope
- DASHBOY
- · Replies 2 ·
The law of conservation of energy problem
- dmitrip
- · Replies 1 ·
Question about vertical and horizaontal
- mjolnir80
- · Replies 1 ·
Linearity Rules for Proving Non-Linearity
- shutoutsteve
- · Replies 1 ·
Solving Mechanics Homework - Finding Mass and Acceleration | Physics Forum Help
- Abukadu
- · Replies 28 ·
Limit of (x-1)/(1-x) as x approaches negative infinity
- meeklobraca
- · Replies 1 ·
Electric circuits problem (diagrams included)
- david18
- · Replies 3 ·
Change in gravitional potential energy at an angle?
- flemj
- · Replies 5 ·
Where Can I Find a Complete Chart of ASTM Grain Size Numbers?
- anthology
- · Replies 3 ·
The term mutual velocity, can be described as?
- JohnnyB212
- · Replies 4 ·
Moving loop in magnetic field (concepts)
- Staple Gun
- · Replies 1 ·
How can I ensure the accuracy of my homework before submitting it?
- btden182
- · Replies 1 ·
Calculating Kinetic Friction Coefficient with Object, Ruler and Book
- Jackpontikka
- · Replies 1 ·
Finding the hange in inetic energy
- sylavel
- · Replies 1 ·
Understanding the Zeeman Effect Interaction
- tan90
- · Replies 4 ·
Mass with a Charge in side an electric field
- shinobi12
- · Replies 1 ·
Nonuniform volume charge density
- shinobi12
- · Replies 1 ·
Rotational Dynamics (Rotating pulley)
- ritwik06
- · Replies 2 ·
Nonconservative work while swimming
- flemj
- · Replies 4 ·
Inclined plane and kinetic energy
- marnold1987
- · Replies 2 ·
Potential Difference in an Electric Field
- LocationX
- · Replies 3 ·
Angular Velocity of a hamster wheel
- lacar213
- · Replies 1 ·
Finding the velocity of an object being pushed up an angular slope
- Murph
- · Replies 7 ·
How Do You Convert Cardinal Directions to I+J Vector Form?
- #matt#
- · Replies 3 ·
Frictionless pulleys with unknown masses. ATTEMPTED SOLUTION INSIDE
- soccerdude28
- · Replies 2 ·
Physics Homework: Moments and Tension
- Europa91
- · Replies 2 ·
Baggage Carousel Movement at an Angle
- eatingblaa
- · Replies 9 ·
Solve Problem 13: Magnitude of Reaction Force at Pivot
- Pakbabydoll
- · Replies 3 ·
Photons striking a metal target
- Andrusko
- · Replies 2 ·
Physics project : applications of force,work and power
- d3v3st4t10n
- · Replies 3 ·
How Is Work Rate Calculated for a Block Pulled by a Constant Force?
- CaptainADHD
- · Replies 8 ·
How Much Force is Needed to Climb a Hill at Constant Speed with Air Resistance?
- hemetite
- · Replies 1 ·
Andi, Budi, Rudi: A Square Field Challenge
- williamluffy
- · Replies 1 ·
Conservation of energy and centripital force
- Megz27
- · Replies 3 ·
Why Is the Current the Same on Both Sides of the Circuit?
- bcjochim07
- · Replies 1 ·
Linear and Rotational Kinematics System.
- CaptainSFS
- · Replies 5 ·
Physics work problem - mastering physics
- Shayna
- · Replies 2 ·
Finding Drag w/ acceleration & Boyant force
- swede5670
- · Replies 4 ·
Solving Kinetic Energy Lost in Collision: Help Needed
- atandtwire
- · Replies 3 ·
Calculating Hall Voltage with Given Values | Electromagnetism Problem"
- jaejoon89
- · Replies 1 ·
Understanding Imax and Qmax in RC Circuits: A Quick Guide
- StephenDoty
- · Replies 1 ·
Solving Force on Water Tank Bottom on Mars
- 12boone
- · Replies 1 ·
Light polarization (lab questions)
- Foxhound101
- · Replies 6 ·
Concentric Spheres Capacitance Question- How to use area
- swooshfactory
- · Replies 1 ·
Relationship between Period of a pendulum and length
- Dynamite
- · Replies 3 ·
The Difference between Acceleration Due to Gravity and the Force Due to Gravity?
- AirHendrix
- · Replies 2 ·
Work/Energy: Find Initial Speed of 0.50kg Ball Down Incline
- Inertialforce
- · Replies 3 ·
Finding turns per meter in a solenoid
- rosstheboss23
- · Replies 1 ·
Escape velocity FROM a satellite in orbit?
- vineroon
- · Replies 4 ·
Confusing ROTATIONAL RIGID BODY QUESTION problem conceptualizing
- avenkat0
- · Replies 9 ·