Sound waves are longitudinal waves. Why are transverse waves seen on the screen of the oscilloscope when someone whistle into the microphone?

Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease

Aregular polygon has angkes of size 150° each.how many side has the polygon

In a good thermo flask the main cause of heat loss is