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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Vertical Circle Motion: Acceleration at Top vs. Bottom
- ethex
- · Replies 6 ·
Finding Acceleration and Tension, With Friction
- VACA
- · Replies 1 ·
Pulley but the cable is at an angle?
- amd123
- · Replies 12 ·
Damped Vibration, 1DOF, Worked example, Need help breaking it down.
- Jowin86
- · Replies 3 ·
Angular Acceleration of a Merry Go Round: Solving a Physics Problem
- ixerr
- · Replies 3 ·
Difficult relative velocity problem
- PieOperator
- · Replies 4 ·
Upward velocity of a block on a string
- ethex
- · Replies 4 ·
Can Sliding Friction Affect a Rolling Disk?
- sulabh64
- · Replies 1 ·
How do I determine the center of mass for a rod with varying linear density?
- aborder
- · Replies 6 ·
Derivatives Help: Projectile Fired w/ Initial Speed Vo
- Gabriel1234
- · Replies 3 ·
A rock is THROWN downward. What was the initial height?
- AVReidy
- · Replies 8 ·
Electric Potential and Kinetic Energy of a point charge
- pintsize131
- · Replies 1 ·
Need discussion about a heavy spring hanging down
- akak.ak88
- · Replies 2 ·
What is the tangential acceleration of a point on a rotating crankshaft?
- goober19
- · Replies 1 ·
GPE and KE of two unequal masses over pulley
- ethex
- · Replies 24 ·
2 Blocks 1 Pulley - First Time Poster
- SnowboardNerd
- · Replies 14 ·
Solve Fnet = ma Problem: Force & Acceleration of Blocks A & B
- A_lilah
- · Replies 9 ·
Prove Impossible to Orbit Earth in <80 Minutes
- Plutonium88
- · Replies 1 ·
What is the Distance from C to C' for a Circular Pizza with a Piece Removed?
- jessedevin
- · Replies 9 ·
How to Calculate Force Needed to Support a Man and Platform in Mid-Air?
- wuffle
- · Replies 2 ·
Min Force to keep from Slipping
- SnowboardNerd
- · Replies 11 ·
Salt Shaker on a Lazy Susan, magnitude of force
- libbylicious1
- · Replies 1 ·
Is the Electric Field Normal to the Surface?
- auk411
- · Replies 1 ·
How to Identify Constructive Interference in Young's Double Slit Experiment?
- nophun6
- · Replies 2 ·
Normal force, friction, Newton's law
- jehan4141
- · Replies 1 ·
Magnitude of force question? Chain link
- theunloved
- · Replies 1 ·
Velocity, time, and displacement
- sdoi
- · Replies 4 ·
Static Equilibrium: Sliding and Tipping Bookcase
- The Head
- · Replies 1 ·
How Fast Must a Bacterium Cling to a Spinning Jet Tire?
- mkwiatko
- · Replies 1 ·
Two capacitors (different capacitance and innitial charge) in a series circuit
- KaiserBrandon
- · Replies 1 ·
Force and motion in Newton's laws and free body diagram
- theunloved
- · Replies 1 ·
Potential at a Distance away from a FINITE continuously charged plane
- BeRiemann
- · Replies 1 ·
Very EASY tension problem, problem.
- cfitzU2
- · Replies 2 ·
Defenestration homework not going so well -_-
- liagee
- · Replies 8 ·
Can somebody help translate this question? 2D Kinematics.
- DavidAp
- · Replies 8 ·
Finding direction after adding/subtracting vectors?
- csgirl504
- · Replies 1 ·
Distance From a Velocity-Time Graph
- slag1928
- · Replies 18 ·
Calculating Acceleration on a Ramp with Friction
- pleasehelpme1
- · Replies 6 ·
How Does Barrel Length Affect Bullet Work?
- Joyci116
- · Replies 3 ·
Projectile motion from an angled slope
- BarneyStinson
- · Replies 1 ·
Can someone explain polarization states to me in really simple terms?
- iamsolost22
- · Replies 4 ·
Power Delivered through a resistive load
- polarmystery
- · Replies 7 ·
How Do You Calculate the Tension in a Lifting Cable Above a Worker?
- MakeItThrough
- · Replies 9 ·
Problem about adiabatic expansion of gases
- Rujano
- · Replies 5 ·
Radial Co-ordinate of a ball from the origin
- RippyTheGator
- · Replies 5 ·
Calculating the current in a solenoid
- couponcoocoo
- · Replies 1 ·
How Do You Calculate the Tension in a Rope Between Two Blocks?
- pleasehelpme1
- · Replies 1 ·
Inclined plane, finding normal force
- GRice40
- · Replies 3 ·
Golf ball equation for Projectile Motion need to know if I am doing it correctly
- sophiegirl411
- · Replies 1 ·
Finding Work with constant pressure and temp.
- phizzle86
- · Replies 1 ·
Rocket Launch: Solving for Height and Time
- Dinovek
- · Replies 3 ·
Horizontal Spring-Mass System with Friction
- Tzvika
- · Replies 3 ·
What is the equation for finding the displacement of a falling object?
- lindseyam
- · Replies 4 ·
How do I find vertical height knowing only hang time?
- AVReidy
- · Replies 14 ·
Electric Field/Plasma Oscillations
- JNBirDy
- · Replies 1 ·
Force of a spring and static friction
- matt@USA
- · Replies 2 ·
Force and motion in Newton's laws for elevator
- theunloved
- · Replies 2 ·
How Do You Calculate Rope Tension with Different Angles in Physics?
- Friendly Hobo
- · Replies 3 ·
Calculating distance per 1-sec interval for plot graph d vs t
- albodibran
- · Replies 1 ·
Young's Double Slit Experiment in Water
- JSGandora
- · Replies 3 ·
3 forces act in equilibrium, calculate their angles
- alanm
- · Replies 5 ·
How Do You Calculate Final Velocity with Constant Acceleration?
- albodibran
- · Replies 3 ·
Finding mass of a block tethered to an incined block above
- zombiengineer
- · Replies 6 ·
Is Centripetal Acceleration Noticeable When Running in a Circle?
- chimpfunkz
- · Replies 1 ·
SUVAT motion question - Ball thrown vertically
- TheGreenMarin
- · Replies 21 ·
Why Are Tensions Different in the Same Rope?
- Legendon
- · Replies 3 ·
Difficult Ladder Against Wall Torque Problem
- whoopie88
- · Replies 8 ·
Man on a Boat: Finding the Center of Mass
- aszymans
- · Replies 2 ·
Force exerted by a charged rod on a point charge
- acedeno
- · Replies 6 ·
What is the Magnitude of the Resultant Force for a Race Car on a Circular Track?
- DrunkApple
- · Replies 1 ·
Particle on top of a half circle
- gralla55
- · Replies 1 ·
How to Calculate Force and Angular Acceleration in a Rotating System?
- bionut
- · Replies 1 ·
Calculating Resultant Components
- vectorguy77
- · Replies 1 ·
Graph using Maple for Astronomy
- I Am Robot
- · Replies 1 ·
Why Does T0 Appear in the Doppler Effect Equation?
- logearav
- · Replies 3 ·
Understanding Mirages and Snell's Law for Exam Prep
- cheddahchad
- · Replies 4 ·
How Do You Calculate Uncertainty in Acceleration from Photogate Timer Data?
- Blues_MTA
- · Replies 3 ·
Magnetic Field Centre Of A Solenoid
- abdullahkiran
- · Replies 3 ·
How many joules of energy are supplied.
- AHUGEMUSHROOM
- · Replies 2 ·
Calculating Time for Object to Hit the Floor in a Pulley System
- Icetray
- · Replies 8 ·
N Angular Kinetics: Calculating Force Needed to Maintain 45° Position
- bionut
- · Replies 1 ·
Frictionless plane at angle of theta=69degrees
- mrshappy0
- · Replies 1 ·
Special relativity concept question
- squishy-fish
- · Replies 3 ·
Vector Components and Displacement of Lost Dog
- nadong2dong
- · Replies 2 ·
Thin-film interference problem
- NewtonianAlch
- · Replies 2 ·
Quick question with spherical coordinates and vectors
- Johnson
- · Replies 2 ·
Calculating ratio energy radiated in a loop and comment on result
- craig.16
- · Replies 1 ·
SHM question involving a tunnel through earth
- craig.16
- · Replies 2 ·
Intensity of light in Fraunhofer diffraction pattern
- ProPatto16
- · Replies 15 ·
Newton's Laws and coefficient of static friction
- jehan4141
- · Replies 1 ·
What is the final velocity of the particle?
- DavidAp
- · Replies 1 ·
Frequency of a simple pendulum
- bacon
- · Replies 1 ·
Velocity of a rocket which never returns to earth
- process91
- · Replies 6 ·
URGENT: Help Solve Tension Question for Online Assignment
- mercena
- · Replies 2 ·
Amount of force to pull a sled up an icy slope
- Capncanada
- · Replies 5 ·
Confirming Gauss' Law: Finding Flux
- kuahji
- · Replies 1 ·
Uniform acceleration of moving wagon
- sdoi
- · Replies 21 ·
Electric potential energy graph
- slft
- · Replies 3 ·
Elastic Collision Problem, WOULD REALLY APPRECIATE HELP
- starburst
- · Replies 1 ·
Solving for Car's Acceleration, Time, and Average Speed
- Goopy17
- · Replies 2 ·