You look directly overhead and see a plane
+ (hu fp5m6 rv*qay/6niw4 zrhexactly 1.5 km above the ground flying faster than 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.
yw6zi6p*a hm+n r(54/ vfquh r 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