Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
How Do You Calculate the Height from Which a Tennis Ball is Struck?
- charvonne coates
- · Replies 2 ·
Prove or disprove this inequality
- kakarukeys
- · Replies 13 ·
Calculating Force for an Exceptional Standing Jump | 70kg Person | 0.80m Height
- krypt0nite
- · Replies 2 ·
How Do You Calculate the Coefficient of Friction for a Block on the Ceiling?
- benji
- · Replies 2 ·
Write in the form z=x+jy the complex number e^e^j ^=exp
- dionys
- · Replies 5 ·
Finding a Basis for a Subspace with a Specific Condition?
- phy
- · Replies 2 ·
Estimating Kinetic Friction Coefficient of Jet-Powered Car
- envscigrl
- · Replies 4 ·
What are the mertis and demerits of thevenin's theorem
- asha84
- · Replies 2 ·
Integrate Even Powers of Trig Functions: Cos²θ
- tandoorichicken
- · Replies 2 ·
Stationary elevator homework problem
- ryan1357
- · Replies 2 ·
Synchronizing Clocks in 2 Different Frames: How to Start
- fresh
- · Replies 2 ·
Easy Energy Conservation Problem causing me trouble
- motoxkx
- · Replies 3 ·
Summation of rectangular areas (calculus) problem.
- singleton
- · Replies 4 ·
How Do You Solve Improper Integrals Involving Logarithms?
- ACLerok
- · Replies 6 ·
List of questions i just cannot figure out Someone
- rx-[7]
- · Replies 2 ·
Calculating Center of Mass for a Circular Hole in a Uniform Square Sheet Metal
- pringless
- · Replies 5 ·
What is the momentum of the box at the bottom?
- punjabi_monster
- · Replies 3 ·
How Do You Calculate Elevator Motion and Energy After a Cable Snap?
- vtech
- · Replies 7 ·
Finding Final Velocity by Energy Techniques
- GingerBread27
- · Replies 4 ·
How Does a Ball Come Back to You After You Throw It?
- perplexed58
- · Replies 2 ·
Newton's 3rd Law: Horse & Cart Motion Explained
- JimmyRay
- · Replies 10 ·
Proving Leibniz Logic: \frac{\urcorner P \equiv false}{P \equiv true}
- physicsuser
- · Replies 1 ·
What is the f, if f(f(x)) = 2x^2 -1
- Xamfy19
- · Replies 2 ·
Am I being punked? (Physics problem)
- Tatum
- · Replies 6 ·
Max Angle for Parking on Steep Hill: Coefficient of Friction Calculation
- dabouncerx24
- · Replies 8 ·
Why Am I Struggling with Newtonian Physics Concepts?
- PhysicsNovice
- · Replies 5 ·
Is this the correct basic code for a for-loop?
- tandoorichicken
- · Replies 6 ·
Help with kinematics and integration.
- misogynisticfeminist
- · Replies 4 ·
Gravitational potential energy
- shawonna23
- · Replies 5 ·
Effortlessly Integrate \frac{2mdx}{cx^2} from x to 0 | Expert Tips
- Speags
- · Replies 2 ·
Random problem from vector cal
- Saint Medici
- · Replies 4 ·
Can You Solve These Calculus Derivative Problems Correctly?
- Alethia
- · Replies 3 ·
Calculating De Broglie Wavelength of a 100g Ball
- Rachael_Victoria
- · Replies 2 ·
This shows that the intervals (0,1) and [0,1] are equivalent.
- tink
- · Replies 2 ·
What is the energy difference when the Earth's distance from the sun changes?
- physicsss
- · Replies 7 ·
Solving Tension Bag Problem: Find T1
- ek
- · Replies 5 ·
Springs / elastic potential energy / grav pot energy
- vtech
- · Replies 2 ·
Why does gravity pulls objects downward rather than upward?
- xtine
- · Replies 2 ·
How Can I Solve These Challenging Physics Problems?
- Scotty
- · Replies 2 ·
Why Am I Struggling with Projectile Motion Problems in Physics?
- HurricaneH
- · Replies 2 ·
Having trouble with Hydrostatics problem
- Theelectricchild
- · Replies 5 ·
Relativistic Proton Acceleration: Calculate Potential Difference in Volts
- stunner5000pt
- · Replies 3 ·
Motion in 2d/Centripetal Acceleration
- HurricaneH
- · Replies 3 ·
Tricky track problem (continued)
- Ravnus9
- · Replies 2 ·
Classical uncertainty principles
- danoonez
- · Replies 2 ·
1000 Hz corresponds to I = 10^-12
- colonel
- · Replies 3 ·
Block striking a horizontal spring
- TraceBusta
- · Replies 13 ·
How Much Work Does Friction Do to Stop a Sliding Ball?
- Hughey85
- · Replies 3 ·
Kinematics: force along x-axis problem
- vsage
- · Replies 3 ·
What does a bathroom scale measure?
- JimmyRay
- · Replies 7 ·
Calculating the Horizontal Force for a Non-Slipping Wedge
- ElectricMile
- · Replies 3 ·
Why Did My Calculation of Temperature Change Result in the Wrong Answer?
- punk_rawk_jazz
- · Replies 4 ·
Finding Tension in Elevator Acceleration: Physics Problem Help
- JeffC
- · Replies 3 ·
Stuck on Physics Problems? Let's Solve Them!
- joej
- · Replies 2 ·
How Does Jumping from a Height Affect the Reading on a Bathroom Scale?
- physicsss
- · Replies 3 ·
Yet another question on relativity
- stunner5000pt
- · Replies 1 ·
What are the tensions in strings 2 and 3 and the acceleration of the mass?
- Mivz18
- · Replies 8 ·
How Much Force Must a Painter Apply to a Pulley System to Ascend?
- ElectricMile
- · Replies 2 ·
Calculating Angular Momentum of Disc with Mass Falling 6cm from Center
- In a "moment"um
- · Replies 2 ·
Angular Dynamics: Solving 2-Wheel Problem w/ Initial Resting Wheel
- cb
- · Replies 4 ·
How Do You Evaluate the Limit of sin(x)/sqrt(x) as x Approaches 0?
- johnnyICON
- · Replies 3 ·
Chemistry help beware: moles inside
- FancyNut
- · Replies 2 ·
What is the Simplified Equation for Resistive Force Acting on a Speed Skater?
- gaborfk
- · Replies 7 ·
Solving Angle X with Sin(x/2)=1/2 & Tan(x)=sqrt(3)
- Anzas
- · Replies 5 ·
What is the Equation for Resistive Force and Speed in a Straight-Line Race?
- gaborfk
- · Replies 2 ·
Three Blocks force on each other
- Mivz18
- · Replies 9 ·
How Is Average Force Calculated in Shot Put?
- Sima
- · Replies 6 ·
Solve Free Body Diagrams: What to Do?
- ssj-gohan
- · Replies 2 ·
Determine a point where the electric field is zero
- derekbeau
- · Replies 3 ·
How Do I Solve Basic Force Problems in AP Physics?
- benji
- · Replies 9 ·
What is the maximum height achieved by the projectile?
- pinky2468
- · Replies 11 ·
Position Dependent Forces: Finding Velocity as a Function of Displacement
- Speags
- · Replies 5 ·
How Do You Determine Electric Fields and Forces Between Charges?
- derekbeau
- · Replies 3 ·
This questions stumbled all my classmates, see if you guys are smarter.
- HashBrown
- · Replies 2 ·
Why Can't I Solve These Seemingly Simple Physics Problems?
- Frustrated
- · Replies 5 ·
Minimum value of the coefficient of static friction
- physicsss
- · Replies 7 ·
Conservation of Momentum in Elastic Collisions: Calculating Final Velocity
- droomagon
- · Replies 2 ·
Solve 2D Motion Problem: Ball Hitting Canyon Edge
- mewmew
- · Replies 2 ·
Calculating Elevator Acceleration: Tips for Solving a Motion Problem
- mojo2185
- · Replies 7 ·
Evaluating limits of several variables
- Odyssey
- · Replies 2 ·
Simplifying Radicals: Solving -125m⁻⁴n⁵ Cube Root
- uranium_235
- · Replies 8 ·
Solving Calculus Challenge Problem - Part A & B Answered
- mpm166
- · Replies 3 ·
Solving for cos 2v and sin 2v: Quick Guide
- Maria
- · Replies 3 ·
Cos(45 - v) = sin (v + 45) for all angles v?
- Maria
- · Replies 10 ·
What Is the Kinetic Energy of a Golf Ball at Its Highest Point?
- shawonna23
- · Replies 4 ·
Solving Physics Equation for v: Mistakes and Solutions
- Warwick
- · Replies 2 ·
Hwk. Problem:Gravitational Potential Energy
- shawonna23
- · Replies 3 ·
I just wanna check my work on this problem
- DivGradCurl
- · Replies 4 ·
Golf Ball Impact Force: Calculate Velocity & Answer
- Unknown_20
- · Replies 2 ·
Lifting a 2.80*10^2 kg Piano: How Long Does it Take?
- shawonna23
- · Replies 3 ·
Centripetal acceleration of the stone
- hytuoc
- · Replies 2 ·
Rocket Launch HELP: Calculating Max Velocity, Thrust, and More
- Fruity
- · Replies 2 ·
Designing Lab to Prove F=ma with Spring Scale, Mass & String
- FUPA
- · Replies 10 ·
Can You Solve This Inelastic Collision Problem Without All Variables?
- phy
- · Replies 2 ·
Last Physics Word Problem, Need Help
- Jake M
- · Replies 2 ·
Q26: Electron Gun Physics - Kinetic Energy, Force, Acceleration & Time of Flight
- Faiza
- · Replies 8 ·
I need serious help with Word Problems in Math 11 Level.
- Gamecubesupreme
- · Replies 3 ·
Solving Forces and Acceleration for a System of Masses
- Faiza
- · Replies 9 ·
Can Someone Help Me Solve This Diffraction Grating Problem?
- paul11273
- · Replies 4 ·
Evaluate L'(9) Given L(x)=sqrt(x)*f(x), f(9)=3, F'(9)=(-4)
- UrbanXrisis
- · Replies 2 ·