百度试题 结果1 题目Sound is produced by the vibration of an object.相关知识点: 试题来源: 解析 正确 反馈 收藏
In a flute, sound is produced by the vibration of: View Solution Dup sound is produced during closure of View Solution How is sound produced ? View Solution The sounds produced by a body are ... (always/never) pure notes. View Solution The kind of sound produced by vibrations of irre...
(iv) Sound travels slower than light. View Solution Assertion (A) : The pitch of the sound produced by the vibrating string can be changed. Reason (R) : The pitch of the sound can be changed by changing the length, tension and thickness of the vibrating string. ...
Sound is produced by the vibration of an object.参考答案:对 点击查看答案进入小程序搜题你可能喜欢A. B. C. D. 点击查看答案进入小程序搜题 试题正文扣件式钢管脚手架按承载能力可分为 点击查看答案进入小程序搜题 以下药物的质量控制方法中,不依据药物还原性者为( ) A. 碘量法测定维生素C的含量 B....
Sound is produced by [A] vibrations of an object passing through the air. [B] spreading of waves after a rock being tossed into a pond. [C] thunders. [D] a flying plane. 温馨提示:一定要认真审题,用心答题!正确答案 点击免费查看答案 试题上传试题纠错TAGS...
So, the sound is due to the vibration of the body (or vibrate, sway, sway, shake...) Produced. (courseware out) Teachers timely guidance: through the experimental study, students found that the state of the body when the sound is emitted, some oscillation, some swing, some shaking... ...
vibration voice Word of the Day December 14, 2024 froward [froh-werd] Meaning and examples Start each day with the Word of the Day in your inbox! Sign Up By clicking "Sign Up", you are accepting Dictionary.comTerms & Conditions and Privacy Policies. ...
In the present work, our aim was firstly to obtain a high-quality recording of the sound produced by the male olive fruit fly wing vibration/stridulation and analyze the air-borne component of the vibration. We then tested in broadcasting bioassays the attraction and arrestment effect of the...
vibrationairfoil tipboundary layer flowelastic plateacoustic noiseA theoretical model is analyzed to estimate the structural and acoustic noise produced when boundary layer turbulence impinges on the tip region of an airfoil, such as a rotor blade in a turbomachine. The airfoil has rectangular plan...
beep, bleep - a short high tone produced as a signal or warning bell, toll - the sound of a bell being struck; "saved by the bell"; "she heard the distant toll of church bells" bombilation, bombination, buzz - sound of rapid vibration; "the buzz of a bumble bee" click, clink...