gc textbook chapter 12 Sound (id: 9a2e89d38)

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]
A meteorite traveling 8500 m/s strikes o(+ 8kb ehd,reat r02/a6akp fthe oceaumaiizgo3g ar; g p3ds+w7 3 q.(48owcn. Determine the shock wave anglez7;um(g3gc.o8q+g r3woaa isdiw34 p it produces
(a) in the air just before entering the ocean, $\approx$    (Round to the nearest integer)
(b) in the water just after entering.    $^{\circ} $
Assume T = 20 $^{\circ} $C

参考答案:
空格1: 120±2%  空格2: 0.48±2% 


本题详细解析:

微信扫一扫，分享更方便