What statement is true about a spring?

A parallel-plate capacitor has area A and plate separation d, and it is charged to voltage V. Use the formulas from the problem introduction to obtain the formula for the energy U of the capacitor

What is common to all light sources, including incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices?

A train travels at a speed of 24 m/s. Then it slows down uniformly at until it stops. What distance does the train travel while slowing down?

Two long parallel wires carry currents of 3.35 A and 6.99 A. The magnitude of the force per unit length acting on each wire is 6.03 * 10 - 5 N / m. Find the separation distance d of the wires expressed in millimeters.

What are the minimum requirements for airplane operations under special VFR in Class D airspace at night?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

Convert 1087 ft/s to mi/hr