声音在空气中的传播速度大约是340m/s,光的传播速度大约是3×10^8m/s,一架飞机以声音的速度飞行,则光速
行1S的路程，此飞机约要飞行多少h
人气：126 ℃ 时间：2020-03-30 13:19:06
解答
s=ct=3*10^8*1=3*10^8m
t=s/v=3*10^8/340=882352.94s=245.1h
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