Introductory Physics Homework Help Forum

Understanding Resonance Frequency Decrease in Oscillation Systems

One more thing with motion problem

Solution to Mass Center Problem: 3 Uniform Disks

Find the center of mass for a disk with cut outs | Solution

Can a Dam Turbine Meet a Paper Mill's Energy Needs?

How Much Electricity is Needed to Produce 1kg of Paper?

Difficulty with a basic motion problem

Centripetal acceleration and KE problem

Net electric field and magnitude

Everyday connections and other things to discuss.

Net velocity of thrown object-lost

Calculate Energy Needed to Heat 4.6 kg Water

Pendulum Final Project (Gr.10) HELP

Calculating Angular Velocity at the Midpoint of a Bar

Solving Physics Problem: Mechanics Question 4 and 6

Calculate Angular Velocity of Rod B: Resources & Tips

Muon Speed: Stopping Distance & Accel Calculation

Projectile Trajectory and Fragment Separation: Velocity, Angle, and Distance

What is the acceleration of the 1000 kg boat?

Determine Wall Thickness for 1,000 in. Aluminum Tube to Support 10-kip Load

Can a Pendulum-Spring System Achieve Linear Motion with Matching Periods?

Solve Projectile Question: Initial Velocity?

New to Physics: Tips and Advice for College Students Taking Their First Class

Simply Armonic Movement and k constant

Measuring extremely high/low temperatures

How Do You Determine the Amplitude of a Spring-Mass System?

Rearranging Equation: Steps for Solving mg+ma-Mg=-Ma with Example

Stuck on Free-Fall Acceleration problem

Suspended in air by adding electrons

Finding Temperature Using Ideal Gas Law

Finding the Answer to Pi/4(d^2): Volume or Area?

Motion in accelerated reference frame

Calculating Radius of Curvature for Metal Bar

How Many Blades of Grass Are on a Quarter Acre of Land?

Solving Dynamics Problems: Ramp and Friction Forces

Cart Propelled by Weighted Balls Down an Incline

Where Along the Y-Axis is the Electric Field Zero?

What Formula to Use for Elevator's Constant Acceleration Problem?

Electric Field and point charges problem

The atom is how many times larger in volume than its nucleus?

Solving Newtonian Problems: Deciding When to Use + or - 9.8

Physics: Plane Mass, Wing Area & Lift Force

Why does a pendulum move in a circular path?

Why does a pendulum move as if it has a mind of its own

Mass conservation in fluid mechanics

What is the Minimum Velocity for a Rod Laying Against a Wall?

Understanding the Difference Between kJ/h and kWh in Energy Measurements

• Poll

SImple question about sound waves but need a good reason

How Do You Calculate Fret Placement and Overtones in Musical Instruments?

Calculating Initial Velocity to Make a 10m Basketball Shot

Volume Expansion: 15.5cm Sphere Heated from 40°C to 210°C

Solving a Sailboat Force Problem: Acceleration Mag & Direction

Electric potential inside a living cell

Understanding the Impact of Pendulum String Length on Oscillation Time

Pilot Direction Due North West Given 250 km/h Vp & 50 km/h Vw

Power/work questions (with inclines)

How Does Water Pressure Change with Depth?

What was the average force applied to the box in the direction of motion?

What Does 'a' Represent in a Non-Constant Charge Density Equation?

Calculating Electric Field Strength for Three Charges

How can I represent electric forces on a system with 3 charged balls?

Interesting Guitar Fret Spacing and Sound Filtering Using Tubes

Solving Sound Problems: How High & How Loud?

Period of Pendulum in Accel. Elevator

How Does Bohr's Semiclassical Approach Relate to Schrödinger's Equation?

Calculate Proportional Limit of Alloy Bar

Index of refraction find a wavelength

What is the process of creating a vacuum and how does it affect air pressure?

Question qbout uniform circular motion

Max Velocity for 1360.7kg Car Climbing 15 Degree Hill

Calculating Entropy Change of Ideal Gas

Can Electric Field Penetrate Non-Conducting Sheets?

Can Solar Sails Truly Escape the Solar System?

Unanswered Relativity Questions: Spin, Paradoxes, and Instantaneous Light?

Optics & Snell's Law: Finding Distance

Thermal expansion and keeping time

Projectile Fired at Stationary Target from Moving Base

Calculating Volume of Earth Using Radius 6.37x10^6m and Correct Sig Figs

Isothermic Work by a Gas: Linear Relationship or Integration?

Homework Help First day NOOB to physics

How to solve kinematics problems involving constant velocity and acceleration?

How Long to Travel from Venus to the Sun at Light Speed on May 17, 2006?

Calculating Force: The Physics Behind a Rifle's Shot Speed and Barrel Length

Relativity Question: Flashbulb Simultaneous Flashes by Melissa

How can I calculate the max velocity for a car climbing a 15-degree hill?

Length of a Stick Moving at Speed v in an Angle

Instantaneous Decay rate per unit Volume

Light Reflection Through Mirrors

Question on Rotational Dynamics

E Field caused by infinite plate

Time to Get Away from Avalanache

Can Compressions and Nodes Be Compared in Wave Calculations?

Rotational Equilibrium and Dynamics -

Min and max magnitude on pointlike charges

Thermodynamics - how much heat needed to raise temperature of a lake

Calculating Equilibrium Height of 2 Cylinders

Problem involving power, mass, incline, and finding a max. velocity

Electric Field Homework Question

Ice Cube Melting & Anchor Thrown: Water Level Changes Explained

Hi everybody,I am having a lot of trouble in my thermodynamics