You look directly overhead a
brk,)ahcgsi+553ls+ thsr7a nd see a plane exactly 1.5 km above the ground flying faster t
k7r,ac+ +r 5tblghsas3sh i)5han the speed of sound. By the time you hear the sonic boom, the plane has traveled a horizontal distance of 2.0 km. See Fig. 12–34. Determine
(a) the angle of the shock cone, $\theta$
$^{\circ} $
(b) the speed of the plane (the Mach number). Assume the speed of sound is 330 m/s