Which of the following ways is usable energy lost?

a. friction

c. noise

b. resistance

d. all of the above

What is SI unit fir force

What is a musical note

A piston uses 32 J of energy to do work as 68 J of heat are added to the cylinder of the piston. The change in internal energy of the system is ___ J.

A 15-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 4.3 µF, 12.6 µF, and 31.2 µF. Find the voltage across the 31.2-µF capacitor.

Generators use a magnetic field of which of the following to produce an electric current? temporary magnet magnetic properties magnetic domain permanent magnet

What does a hurricane hunter do

Why is fluorine special in terms of electronegativity?

The airbag inflates and deflates quickly so

Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smaller sphere.

A solenoid with a ferromagnetic core is