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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Distance and Time: Dimensions of a & b
- emma123
- · Replies 1 ·
Which container will drain first: one big hole or several small holes?
- Carolyn
- · Replies 8 ·
Mastering Catch Problems: How to Solve Tricky Physics Questions with Ease
- Iceman2032
- · Replies 8 ·
Why Is the Net Force on Both Cars Zero Despite Different Speeds?
- Skittles
- · Replies 1 ·
After how long will the balls be at the same height?
- davidw9
- · Replies 9 ·
Freefall-Type Question: Solving for Ball Catching and Building Length
- Iceman2032
- · Replies 4 ·
How Can You Build the Best Kraft Dinner Overhang Structure?
- td04
- · Replies 1 ·
Forces & Motion: Calculating Avg Acceleration of Hockey Puck
- Mono182
- · Replies 4 ·
Accelration Help: Questions Answered
- NIZBIT
- · Replies 3 ·
Spherical Electric Field - displacing a nucleuo
- FrogPad
- · Replies 1 ·
How to calculate the current in a discharge circuit after a certain time?
- smileandbehappy
- · Replies 7 ·
Get Help with Vectors for New Physics Students
- dianajanielle
- · Replies 4 ·
The smallest coefficient of friction.
- Fittler
- · Replies 1 ·
How Do You Calculate the X-Coordinate in Circular Motion?
- blimkie
- · Replies 3 ·
Catching a Ball Thrown at 30 m/s: Solving the Physics Problem
- mikefitz
- · Replies 3 ·
Beginner Physics Help - Questions & Solutions
- omelfata
- · Replies 1 ·
Projectile Motion Ball Calculation
- richievuong
- · Replies 2 ·
Problems with kinematics equations
- Byrgg
- · Replies 33 ·
Calculating Buckle Height of Steel Railroad Rail at 25°C
- ppchiu
- · Replies 1 ·
Help with Voltage & Current Converter Circuits
- novrisa
- · Replies 1 ·
Police Question: How Far Does a Speeder Get Before Being Overtaken?
- arizona_cards_11
- · Replies 1 ·
Understanding Vector Cross Product: Finding the Angle Between Two Vectors
- physstudent1
- · Replies 2 ·
Solve Physics: Get Help With Homework Charge Transfer
- pulseczar13
- · Replies 2 ·
The Parallel Plate Capacitor and Gauss Law?
- pinal08854
- · Replies 2 ·
Calculating String Tension for Hanging Picture (50N)
- Energize
- · Replies 9 ·
How Does Gravity Affect a Dropped Fish's Motion?
- arizona_cards_11
- · Replies 1 ·
Find the Flow Rate: Water Pipe Down a Hill
- Adman
- · Replies 1 ·
How Do You Calculate Electric Potential at Point P from a Uniformly Charged Rod?
- Adn4n
- · Replies 1 ·
Question on relative motion and circular motion.
- SilverLx
- · Replies 6 ·
Forces on an Inclined Plane Question
- catenn
- · Replies 1 ·
: Planck/Einstein and death of the universe
- KCvolunteer07
- · Replies 1 ·
Kinematics - Archer shooting arrow at apple
- Parallel
- · Replies 1 ·
How Long Does It Take a Stone to Fall 6 Meters?
- ben-newton
- · Replies 3 ·
Calculating Forces on a Coasting Car: Newton's Laws and Air Drag Calculation
- physicsgal
- · Replies 13 ·
Does Increasing Ramp Angle Double Ball Speed?
- opticaltempest
- · Replies 3 ·
Solving Escalator Motion Problems: A Shopper's Guide
- sultaN-PL
- · Replies 1 ·
Electric field from infinite charges
- DieCommie
- · Replies 6 ·
Kinematics Questions: Solving for Superman's Velocity and Building Height
- Mehta29
- · Replies 2 ·
Heat Transfer: Conversation of Energy problem.
- Water
- · Replies 2 ·
.Calculating Time for .22 Rifle Bullet to Stop in Soft Wood
- theonerealazn
- · Replies 1 ·
How Do You Calculate Relative Velocities in One-Dimensional Motion?
- sebmista
- · Replies 2 ·
Roller coaster displacement physics problem
- kiss the shrew
- · Replies 1 ·
Small drop in voltage change in power?
- boderam
- · Replies 1 ·
Projectile motion velocity homework
- ruthi
- · Replies 1 ·
Physics Problem: Free Falling Person Survival Speed
- St.Vampyre
- · Replies 2 ·
Calculating Frequency from Sound Samples
- Traveller
- · Replies 6 ·
Measuring distance using Ek and Ep?
- Clef
- · Replies 1 ·
Quick question concerning conversions
- wtf_albino
- · Replies 2 ·
What is the final temperature and amount of material and water in each state?
- DanielT
- · Replies 1 ·
Couple of v. important problems
- Clef
- · Replies 1 ·
Star Wars: Assumptions of Outer Space
- Revolver
- · Replies 2 ·
Electric Field using Gaus's Law
- benndamann33
- · Replies 2 ·
Solving Physics Problem on Giancoli Ed 5 P 121
- jla2w
- · Replies 9 ·
Cosmolgy- Density of the Universe
- EP
- · Replies 2 ·
Do Force Diagrams Show Forces Exerted by the Object?
- catenn
- · Replies 1 ·
Calculating Acceleration on a Slide with Kinetic Friction
- hakojackie
- · Replies 18 ·
Calculating Average Lifetime of Particles at Rest
- msimard8
- · Replies 1 ·
Another vector problem (smart person please)
- dboy83
- · Replies 4 ·
How Is the Force Between Two Sliding Blocks Calculated?
- tismisskris
- · Replies 1 ·
Can Coulomb's Law be Simplified for Finding Electric Field at Corners?
- NotMrX
- · Replies 1 ·
What is the Mass and Weight of a Truck Accelerating with Newton's Second Law?
- BSBarb
- · Replies 3 ·
Static friction and kinetic friction
- Revolver
- · Replies 5 ·
Cool Room Air With Fan By The Window
- NotMrX
- · Replies 3 ·
How Does Kinetic Friction Affect Motion on a Level Surface?
- Lmbrando
- · Replies 1 ·
Question: coupled oscillating circuits
- Israfil
- · Replies 11 ·
Is this problem really this simple?
- wakejosh
- · Replies 9 ·
Kinematics - Grabbing a Rebound?
- johndoe3344
- · Replies 6 ·
How Does an Electron's Path Deflect Over a Charged Plate?
- eltel2910
- · Replies 1 ·
How Does the Turkish Bow Calculate Maximum Arrow Range?
- GreenLRan
- · Replies 2 ·
Why is the Second Derivative Negative in SHM?
- Pseudo Statistic
- · Replies 3 ·
Calculate the work as the MINIMUM amount of work
- danago
- · Replies 5 ·
How Far Will the Dart Travel When Fired from a Moving Incline?
- Nemi
- · Replies 1 ·
Horizontal Force - Friction Problem
- tylenolman
- · Replies 1 ·
How Does a Governor Work in Mechanical Systems?
- fara0815
- · Replies 5 ·
How Do You Calculate Electric Flux Through a Pyramid's Slanted Surfaces?
- benndamann33
- · Replies 1 ·
A question on the Principle of Floatation
- fujiwara_sai
- · Replies 8 ·
Charge vs. Gravity: Calculating Electrostatic to Gravitational Force Ratio
- tony873004
- · Replies 2 ·
How Can I Solve These Introductory Physics Problems?
- wakejosh
- · Replies 2 ·
Projectile motion (No initial velocity or time)
- PascalPanther
- · Replies 3 ·
How far has it traveled in this time?
- sweetshelly
- · Replies 4 ·
Newton Problem (2nd Law of Motion)
- greeenmonke
- · Replies 3 ·
Calculate Upper Scale Reading for Suspended 50kg Crate Using Spring Scales
- mikefitz
- · Replies 3 ·
How to Calculate Charge Density on an Irregular Conductor?
- benndamann33
- · Replies 5 ·
Inclined Plane and soccer ball
- luckii
- · Replies 4 ·
Ok I know the answer and the diagram but
- Revolver
- · Replies 1 ·
Acceleration due to Gravity/Terminal Speed Problem
- CityNoise
- · Replies 2 ·
Solving Motion Graphs: Answers to A & C Questions
- sythetickitty
- · Replies 2 ·
Problem with Forces and Newton's Laws
- catenn
- · Replies 7 ·
Velocity, distance, time problem
- hbomb
- · Replies 2 ·
Finding the Zero Point of Electric Field from a Dipole Configuration
- czaitz
- · Replies 2 ·
What would happen if there was no air resistance during rain?
- Arkronus
- · Replies 9 ·
How Do You Calculate Acceleration in Physical and Ballistic Scenarios?
- BunDa4Th
- · Replies 3 ·
Are Vector A + Vector B and Vector A - Vector B Perpendicular When |A| = |B|?
- Tensaiga
- · Replies 6 ·
What is the volume of a diver's air bubble at the surface of the sea?
- dave2945
- · Replies 9 ·
Solving the Puzzle of the Suspended Brick
- trueblue
- · Replies 2 ·
What is the magnitude of charge inside the box
- eltel2910
- · Replies 4 ·
Calculating the wavelength for series limit for the Paschen series
- vanabariel42
- · Replies 6 ·
How Can a Balancing Scale Help Solve the Mystery of the Counterfeit Coin?
- SchoolBoyDJ
- · Replies 6 ·
Circular Motion Problems and Solutions
- asteg123
- · Replies 7 ·