A cello plays a C# note with a frequency of 277.2 Hz. If the speed of sound in air is 343 m/s, what is the wavelength of this note? (Round your answer to three significant figures.)

Why do different substances have diffrent properties

Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)

What is the technical name for super glue type adhesives?