A. per minute B. per second C. per hour D. per day 相关知识点: 试题来源: 解析 B。本题考查科普常识,光的速度约为 299,792 千米每秒,“per second”表示“每秒”,A 选项“per minute”每分钟,C 选项“per hour”每小时,D 选项“per day”每天,都不符合光速度的单位。反馈...
1 meter/second is equal to 5.003461444662E-9 speed of light [glass], or 60 meters per minute. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between speed of light [glass] and meters/minute. Type in your own numbers in the ...
What is the speed of light in furlongs per fortnight? How was the speed of light first measured? How fast is light? Explain. What is the value for the speed of light? How does time slow down at the speed of light? Why is the speed of light 300,000 km/s?
The speed of light in miles per hour is 6.702 x 108miles/hr.
The nearest star is so faraway that the light that you can see frorm it tonight started to travel towards you fouryears ago at a speed of nearly 2 million km per minute. In some cases, the light fromone of tonight's stars had started on its journey to you before you were bornThus,...
Standard unit speed: meters per second Source unit: kilometers per hour (kph, km/h, kmh-1) Destination unit: speed of light (c) Related categories: Length Time Acceleration Speed is defined as the distance traveled per unit of time and is often measured in units such as meters per ...
At what speed must I travel, in km/s, if i need to travel 22.6 km in 18 minutes? How Long would it take to travel a light year at one-tenth the speed of light? The speed of light is 186,000 miles per second. What is its speed in centimeters per second?
per minute. In some cases, the light from one of tonight's stars had started on its journey to you beforeyou were born.T hus, if we want to be honest, we can't say,"T he stars are shining tonight." We have to say instead, "T he stars look pretty. T heywere shining four ...
The nearest star is so far away that the light that you can see from it tonight started to travel towards you four years ago at a speed of nearly 2 million km/per minute. In some cases, the light from one of tonight’s stars had started on its journey to you before you were born...
Light travels at a high speed.In one second,light travels about 300 000 km but sound travels only 334 m.You can get some idea of this difference by watching the start of a race. If you stand some distance away from the starter,you can see smoke come from his gun before the sound ...