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## Homework Statement

A jet aircraft travelling with a velocity of mach 1.5 at an altitude of 5029m passes directly over an observer on the ground. How many seconds elapse before the observer experiences the sonic boom created by the jet? speed of sound= 343ms-1

## Homework Equations

## The Attempt at a Solution

the only example i can find of this in my book has only this equation (its for the angle of the shock cone) sin theta = v sound/ v object. Can anyone give me any help on how i can work out the time from this, im pretty sure you have to use this equation at some point. Can anyone give any help please.