16. In which substance do the particles move the MOST? (1 point) A. air
B. wood
C. Ice
D. milk

Wo audio speakers are placed on a vertical rail. speaker a is placed at head-level while speaker b is place at some variable height, \delta yδy, above speaker a. both speakers receive simultaneous input from a sine-wave generator so the speakers each produce a pure sinusoidal sound wave with a wavelength of 0.531 meters. calculate the lowest height that speaker b can be placed above speaker a to produce a minimum of sound heard by person standing \delta x = 7.86δx=7.86 meters directly in front of speaker a.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above