You look directly overhead and see a plane exactly 1.5
nfiukwc t.:1 :un0*9)xfdathw 3/x qrkm above the ground flying faster than the speed of
9 d:xit)3h.ta*w:u0 rn/f u nkcw 1xqf 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