gc textbook chapter 12 Sound (id: 2438cbc1e)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 IB物理学

[填空题]
You look directly overhead and see a0. dw gstfm52h plane exactly 1.iriko;6*imx gc;1 fr2sd : z8b3nuc4u5 km above the ground flying faster than the speed of sound. By the time you hear the sonic boom, the plane has traveled a horizcn 62zri1ombk:3xuru*f;ics8d ;4 i gontal 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   

参考答案:
空格1: 37±2%  空格2: 1.7±2% 


本题详细解析:

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