You look directly overhead and
lzoib0 z tc y+d5skjfl,-+mi /9:1yphsee a plane exactly 1.5 km above the ground flying faster than the speed of sound. By the time you hear the sonic boom, the pla
zmih+kbts5 1i ,0yf l-:dcj+ /lo9ypzne 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