百度试题 结果1 题目The speed of light is approximately ___ kilometers per second.相关知识点: 试题来源: 解析 答案:300000 反馈 收藏
The speed of light is approximately 299,792,458 ___ per second. A. 改事团严月联系知五公约风一改事团严月联系知五公约风一kilometers改事团严月联系知五公约风一改事团严月联系知五公约风一 B. 今再质易切统持你级通准府今再质易切统持你级通准府meters今再质易切统持你级通准府今再质易切...
百度试题 结果1 题目根据题目所给的公式,填写正确的数值。 - The speed of light is approximately ___ meters per second.相关知识点: 试题来源: 解析 答案:299,792,458 反馈 收藏
The speed of light in a vacuum is approximately ___. A. 300,000 kilometers per second B. 3,000 kilometers per second C. 30 kilometers per second D. 3 kilometers per second 相关知识点: 试题来源: 解析 A。解析:光在真空中的速度约为 30 万千米每秒。其他选项的速度都远小于光在真空中...
A. 300,000 kilometers per second B. 100,000 kilometers per hour C. 500,000 meters per minute D. 200,000 miles per hour 相关知识点: 试题来源: 解析 A。解析:光在真空中的速度大约是 30 万千米每秒。其他选项的速度都不正确。反馈 收藏 ...
The speed of light in vacuum is approximately ___. A. 300,000 kilometers per second B. 3,000 kilometers per second C. 300 kilometers per second D. 30 kilometers per second 相关知识点: 试题来源: 解析 A。真空中光速约为 30 万千米每秒。其他选项数值错误。反馈...
Scientists have discovered that the speed of light in a vacuum is approximately ___
百度试题 结果1 题目The speed of light in a vacuum is approximately ___ meters per second.相关知识点: 试题来源: 解析 答案:299,792,458 反馈 收藏
The speed of light is approximately3⋅1053·105kilometers per second. Quantity A Approximate number of kilometers that light can travel in 1 hour. Quantity B 1.08x1081.08x108 A.Quantity A is greater. B.Quantity B is greater. C.The two quantities are equal. ...
百度试题 结果1 题目The speed of light in a vacuum is approximately ___ meters per second.相关知识点: 试题来源: 解析 答案:299,792,458 反馈 收藏