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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Calculate Max Force Exerted by Octopus in Salt Water 32.3m Deep
- amjber2
- · Replies 1 ·
What Is the Initial Velocity of a Ball Thrown Upwards from a Building?
- petal5
- · Replies 1 ·
What Are the Reaction Forces When a Book is Pulled Upward by a String?
- fro
- · Replies 8 ·
How Do Paramagnetic and Ferromagnetic Materials Differ in Magnetic Fields?
- Zinc
- · Replies 1 ·
Surface tension, capillary action, viscous fluid
- amjber2
- · Replies 1 ·
Coefficient Kenetic Friction and Kenetic Force
- BluE
- · Replies 10 ·
How Do Physics Principles Determine the Outcome in Log and Elevator Scenarios?
- eureka360
- · Replies 2 ·
Calculate Net Work Done by Fpush, Fgrav, Fnormal - 5N, 5m
- sundeepsingh
- · Replies 4 ·
Conceptual Moment of Inertia Question
- Menisto
- · Replies 1 ·
Finding Acceleration in a Rotating Tube
- Plastik
- · Replies 5 ·
Physics: distance, rate, time problem
- rcmango
- · Replies 4 ·
Power and conservation of energy
- gosabres
- · Replies 6 ·
Solving the Biconcave Lens Problem with Reflection and Refraction
- NutriGrainKiller
- · Replies 1 ·
Solving Two Object Collision Problem
- gaimon
- · Replies 5 ·
Calculating Velocity of Center of Mass for Two Particles
- mikefitz
- · Replies 3 ·
Help with problems over Newton's Laws
- ownedbyphysics
- · Replies 8 ·
How Do You Calculate the Charge and Mass of Sodium and Chlorine Ions?
- glid02
- · Replies 2 ·
Clarifying Forces in a Two-Mass System
- wtf_albino
- · Replies 7 ·
Which Box Will Accelerate Faster on an Inclined Slope?
- SNaHHaN
- · Replies 2 ·
Nonuniform Circular Motion of a steel table
- pcmarine
- · Replies 11 ·
Calculating Buoyant Force on a Helium-Filled Balloon
- amjber2
- · Replies 1 ·
Soundwave and interferance problem.
- hysics
- · Replies 7 ·
Understanding the Effective Spring Constant When Cutting a Spring in Half
- DLinkage
- · Replies 2 ·
Forces of Motion: Solving Problems with Speed, Mass, and Acceleration
- AznBoi
- · Replies 11 ·
Solving Velocity & Acceleration of Two Jeeps Relative to Each Other
- kara
- · Replies 1 ·
What Are the Velocity Components of the Center of Mass?
- wolly6973
- · Replies 2 ·
Firework Explosion: Find the Speed of 3rd Piece
- mikefitz
- · Replies 3 ·
Calculating Submarine Recoil Speed from Torpedo Launch
- mikefitz
- · Replies 2 ·
Need help understanding wording of simple geometric optics problem
- NutriGrainKiller
- · Replies 1 ·
WORK by Constant Force Argh help
- Kalie
- · Replies 3 ·
Understanding Elevator Forces: A Problem in AP Physics B
- gladwarez
- · Replies 10 ·
Torque / Static Equilibrium Question
- ohlhauc1
- · Replies 4 ·
Calculating the Distance of a Block from a Table After a Bullet Collision
- mikefitz
- · Replies 5 ·
Some Newton's Law Questions: Understanding External Forces and Reactions
- AznBoi
- · Replies 9 ·
Do Spherical Waves from Point Sources Transform into Plane Waves?
- TheEdge
- · Replies 1 ·
Friction versus Gravity (Work on an Incline)
- Ronnin
- · Replies 2 ·
Calculating Momentum of Firing Marksman with X and Y Components
- mikefitz
- · Replies 1 ·
Can't figure this problem out for the life of me
- indedlokcathexis
- · Replies 14 ·
Why Must a Particle Decay into Two or More Photons to Conserve 4-Momentum?
- thenewbosco
- · Replies 1 ·
How Fast Does a Dragster Accelerate?
- krazykaci
- · Replies 1 ·
Boat Acceleration: Calculate Force, Mass & m/s^2
- krazykaci
- · Replies 2 ·
Understanding Newton's 3 Laws of Motion
- AznBoi
- · Replies 2 ·
Pulley problem: find equilibrium
- bebeoshea
- · Replies 1 ·
Speed of person firing gun on ice
- mikefitz
- · Replies 1 ·
Why is work zero in free gas expansion if pressure causes expansion?
- shamanblues
- · Replies 6 ·
Calculate Acceleration of 8.5kg Mass Due to Proportional Force
- krazykaci
- · Replies 3 ·
Problem with Electronic Feedback?
- gunblaze
- · Replies 1 ·
How Does Force Change as a Diver Falls?
- merced
- · Replies 6 ·
Rotational kinematics - acceleration
- physgirl
- · Replies 5 ·
Rotational kinetic energy of a disk
- physgirl
- · Replies 1 ·
Is this a Typo? | Quantity of Heat
- sapiental
- · Replies 2 ·
Basic Electronics: NPN Junction Explained
- jasum
- · Replies 1 ·
Introduction to Statics as Part of Mechanics
- Bert
- · Replies 1 ·
Calculating Energy Lost Due to Friction in Incline Pulling Scenario
- BunDa4Th
- · Replies 16 ·
Determine the work done by the applied force
- BunDa4Th
- · Replies 4 ·
Frictionless pulley Forces Problem
- ubiquinone
- · Replies 3 ·
What is the magnitude of the centripetal acceleration
- ubiquinone
- · Replies 3 ·
Two cars approaching an intersection
- inner08
- · Replies 2 ·
Can both of these equations be right?
- Dorothy Weglend
- · Replies 2 ·
Force of friction with multiple coefficient of frictions
- ziptrickhead
- · Replies 6 ·
Distance Formula: No Velocity Needed
- LL88
- · Replies 1 ·
How Is the Acceleration of the Center of Mass Calculated with Differing Forces?
- Ridonkulus
- · Replies 2 ·
Understanding Moments: A Method for Solving Question 2.b.i.
- Magic Mushroom
- · Replies 3 ·
How can I use the speed of sound to calculate the air temperature?
- Sabres151
- · Replies 1 ·
Musical question regarding concert pitch/philosophical pitch
- physics_06er
- · Replies 4 ·
How Does Distance Affect Photocell Output?
- einstein2603
- · Replies 144 ·
Work-Energy Theorem rock throw Question
- hollystella
- · Replies 5 ·
2000 mT Setting - What Does It Mean?
- alfredbester
- · Replies 2 ·
Are both my textbooks wrong about banked tracks.
- Damned charming :)
- · Replies 15 ·
Confirmation of functions for electric potential and field please
- cyberstudent
- · Replies 3 ·
How to find spring constant & damping coef of speaker flexure
- ivan6496
- · Replies 2 ·
Flywheel Problem: Angular Acceleration & Linear Acceleration
- kiwinosa87
- · Replies 1 ·
Can Frame S' Make Two Events Simultaneous?
- da_warped_1
- · Replies 1 ·
Why Do Monochromatic Light Fringes Have Better Contrast Than White Light?
- Tonauac
- · Replies 2 ·
Help with Work (kinetic energy?)
- BunDa4Th
- · Replies 18 ·
Area Under The Graph (Quick Question)
- Incog
- · Replies 3 ·
Calculate Rotational Inertias of 4 Particles
- kiwinosa87
- · Replies 8 ·
Is a Two-Stage Carnot Engine More Efficient Than a Single-Stage Engine?
- sapiental
- · Replies 6 ·
Solving Spring-Mass System: Force of Reaction as a Function of Time
- thenewbosco
- · Replies 5 ·
Calculating Angular Velocity and Time in a Frustrating Problem
- kiwinosa87
- · Replies 1 ·
College-level centripetal force questions
- Tkennan
- · Replies 26 ·
How Can I Approach Solving These Complex Physics Homework Questions?
- WinWolfz
- · Replies 7 ·
Maximum entropy and thermal equilibrium
- sapiental
- · Replies 4 ·
Non-uniform circular motion (i think)
- bigredd87
- · Replies 3 ·
How far will this block travel when launched on the floor?
- Mbaboy
- · Replies 4 ·
Calculating Acceleration on an Inclined Ramp with Kinetic Friction
- ccarlson_07
- · Replies 2 ·
How to Find the Force Needed to Reduce Acceleration by 50% in Atwood Setup
- parwana
- · Replies 11 ·
Why is a potential divider necessary in a hot wire anemometer circuit?
- Jridley3
- · Replies 2 ·
Normal force at the top of a ferris wheel
- Ronnin
- · Replies 10 ·
Expression for field due to magnetic monopole
- Amith2006
- · Replies 1 ·
Without prefix: What is the maximum power and force output of a trolley motor?
- vu10758
- · Replies 6 ·
Calculating Acceleration of a Sailboat Using Wind and Water Forces
- Touchme
- · Replies 7 ·
Balancing forces in three dimensions
- Birdeye
- · Replies 2 ·
Calculate Friction & Acceleration of 2.5kg Block on Horizontal Floor
- randybrent
- · Replies 12 ·
Why Did I Get the Newton's Law Problem Wrong?
- PhysicsinCalifornia
- · Replies 5 ·
How can I analyze an equation and identify its relationship types?
- AznBoi
- · Replies 2 ·
Simple electrical field problem
- cyberstudent
- · Replies 2 ·
Kicking rock over cliff question
- dizco29
- · Replies 14 ·