Sound is produced by vibrations. What is the speed of sound in air? A. 340 meters per second. B. 340 kilometers per hour. C. 3400 meters per second. D. 3400 kilometers per hour. 相关知识点: 试题来源: 解析 A。解析:声音在空气中的传播速度是 340 米每秒。选项 B、C、D 速度错误。
LAKHMIR SINGH & MANJIT KAUR-SOUND-Very Short Answer Type Questions Out of solids, liquids and gases: (a) in which medium sound travels ... 03:04 Which of the following is the speed of sound in copper and which in al... Text Solution What is the speed of sound: (a) in air? (b...
结果1 题目 25 What does the speed of sound in air depend on? A temperature of the air B pitch of the sound C loudness of the sound D distance between the source and receiver of the sound 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
What is the speed of sound in meters per second? A vehicle moving with a uniform acceleration of 2 m/s^2 has a velocity of 4 m/s at a certain time. What will its velocity be 1 and 5 seconds later? What is the acceleration of a car that maintains a constant velocity of 100...
求翻译:what is the speed of sound?是什么意思?待解决 悬赏分:1 - 离问题结束还有 what is the speed of sound?问题补充:匿名 2013-05-23 12:26:38 什么是 sound? 的速度热门同步练习册答案初中同步测控优化设计答案 长江作业本同步练习册答案 名校课堂助教型教辅答案 U计划学期系统复习答案 同步练习册...
(a) What is the wavelength in air of such a sound wave? (b) If the speed of sound in tissue is 1500 m/s, what is the wavelength of this wave in tissue? View Solution Explain the relation between wavelength, frequency and speed of a sound wave. What happens if we double the ...
1. What's the speed of sound at 2500 meters above sea level?相关知识点: 试题来源: 解析 285.3米/秒 声音速度受温度和气压影响。在2500米海拔,气压约为海平面的0.75倍,温度约为-2摄氏度。根据公式c = 331.5 + 0.6T,在-2摄氏度时,声音速度约为330.3米/秒。由于声音速度与气压平方根成正比,因此在...
that is just barely over the speed of sound at 340 m/s. my physics textbook says this is the speed of sound, so there. well, not so fast. sound is a pretty complicated thing. what is a sound wave? first, let me talk about just sound in air. of course you can have sound waves...
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An organ pipe is 136 cm long. The speed of sound in air is 343 m/s. What are the fundamental and first three audible overtones if the pipe is closed at one end? What are the fundamental and first three audible overtones if the...