Sound travels through air. How fast does sound travel? A. Very fast. B. Very slow. C. As fast as light. D. None of the above 相关知识点: 试题来源: 解析 A。本题考查对声音传播速度的了解。声音在空气中传播速度较快。反馈 收藏
Light travels very fast. How fast does light travel? A. 300,000 kilometers per second B. 200,000 kilometers per second C. 100,000 kilometers per second D. 50,000 kilometers per second 相关知识点: 试题来源: 解析 A。光的速度是每秒 30 万千米。这是基本的科学常识。其他选项速度错误。
Light travels very fast. It can travel 300,000 kilometers per second. How fast does light travel? A. 300 kilometers per second. B. 3,000 kilometers per second. C. 300,000 kilometers per second. 相关知识点: 试题来源: 解析 C。解析:光传播速度非常快,每秒能传播 30 万公里,C 选项正确...
Light travels very fast. How fast does light travel? A. Very slowly. B. As fast as a car. C. As fast as a plane. D. Very fast. 相关知识点: 试题来源: 解析 D。光传播速度非常快;A 选项非常慢错误;B 选项和汽车一样快错误;C 选项和飞机一样快错误。
Light travels very fast. How fast does light travel? A. 300 kilometers per second B. 3000 kilometers per second C. 300000 kilometers per second D. 30000 kilometers per second 相关知识点: 试题来源: 解析 C。解析:光传播得非常快。光的传播速度是 300000 千米每秒。选项 A、B、D 的速度都...
Light travels very fast. How fast does light travel? A. 300,000 kilometers per second B. 30,000 kilometers per hour C. 3,000 kilometers per minute D. 300 kilometers per second 相关知识点: 试题来源: 解析 A。光的速度是每秒 30 万公里。选项 B、C、D 速度都不对。科普阅读要记住一些...
1. 光传得多快 大唐双龙传用英语怎么说... ... How fast does light travel? 光传得多快? Light travels faster than sound. 光比声音传得快。 ... www.1stenglish.com|基于2个网页 例句 释义: 全部,光传得多快 更多例句筛选 1. HOW FAST DOES LIGHT TRAVEL? 光能跑多快? www.china-pub.com ...
百度试题 结果1 题目)5. How fast can the sandstorm travel? 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
In other words, Einstein proposed that the speed of light doesn't vary with the time or place that you measure it, or how fast you yourself are moving. Therefore, objects with mass cannot ever reach the speed of light. If an object ever did reach the speed of light, its mass would ...
How-fast-does-a-balloon-travel 例句 释义: 全部 更多例句筛选 1. How fast does a balloon travel? How about an airplane? How about a space shuttle? 一只气球能走多快?一架飞机呢?还有一架航天飞机呢? dq.tag100.cn 2. How fast does a balloon travel? 气球能跑多快? blog.cersp.com ©...