That symbol represents a source of DC, usually a battery.
The zig-zag line represents a resistor, and the two little circles
connected by a short line represent a switch in the closed position.,
In SI units with dry air at 20*C (68*F), the speed of sound c is 343 meters per second (m/s).
The answers is 343 meters per second:
False because if new evidence proves the other thing wrong they’ll think differently.
The answer is actually 36 J.
Hope this helped :)
Brainliest?
The momentum of an object depends on velocity and mass
