A starter pistol is fired 150m away from the spectators who hear the gun 0.5s after they see it fired. How fast does sound travel?
(Please help!)

1.state2.trash3.the earth

Since the pully is a simple machine so the mechanical advantage is a 1

Iassume the answer is 75 feet. inwards to outwards rather than outwards to inwards. probably be 75.hachures are stokes drawn in direction of the steepest slope. a series of short parallel lines drawn on a map to indicate topographic relief. it is actually called hachures on contour lines. the small marks in the center of the feature are called hachures.observe the picture attached