gc textbook chapter 12 Sound (id: 2438cbc1e)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
You look directly overhead g7h5bv4mk iazo1io9zlr; ; yn/glk, 1and see a plane exactj fk9zw7r6. q;nyoq7 wly 1.5 km above the ground flying faster than the speed of sound. By the time you hear the sn9w kf7rjzw y;o76 qq.onic 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   

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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