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a mortar has such a short barrel due to the fact that mortars are released from barrel at lower speed than cannon guns thus the need to rifle them and have long barrels is useless and so the tube does not need to be any longer than whats required to stabilize the flight and direction
Whatever the posted speed limit is.
advisory speed sign
Distance= speed*time
whats wrong with it
top speed of the ford cougar is 140 mph
The Top Speed Is Around 80 mph
Whats the max speed of a 1990 Chevy caprice
India
160 kmh
160 mph