Astarter pistol is fired 150m away from the spectators who hear the gun 0.5s after they see it fired. how fast does sound travel?

c because the news are a source of information of things that happen on the daily and shows evidence about that particular topic

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000