A person runs at a speed of 8 kilometers per hour. How far does he run in 2.5 hours? A. 20 kilometers B. 18 kilometers C. 22 kilometers D. 16 kilometers 相关知识点: 试题来源: 解析 A。8×2.5 = 20 千米。B、C、D 选项数值不对。
The speed of a car is 60 kilometers per hour. How many meters does it travel in one minute? A. 1000 meters B. 100 meters C. 600 meters D. 10000 meters 相关知识点: 试题来源: 解析 A。1 千米等于 1000 米,60 千米每小时换算为每分钟行驶 1 千米,即 1000 米。
In science, unit conversion is an important method that is used to convert one unit system into another unit system. Such as in this problem, we need to convert the unit of speed from kilometers per hour to meters per second. In this conversion, we will use the follo...
aA truck travels at the rate of 80 kilometers per hour. How much distance will it travel in 30 minutes? 卡车移动以80公里的率每个小时。 它在30分钟之内将移动多少距离?[translate]
11.When is the train leaving? A.Three ten. B.Three twenty. C.Three thirty. 12.How will the woman go to Qingdao? A.By train. B.By ship. C.By plane. 13.How fast does the man often drive his car? A.60 kilometers per hour. B.80 kilometers per hour. C.100 kilometers per hou...
A person walks at a speed of 5 kilometers per hour. How far does he walk in 3 hours? A. 15 kilometers B. 12 kilometers C. 18 kilometers D. 10 kilometers 相关知识点: 试题来源: 解析 A。根据距离公式,速度乘以时间等于距离,5×3 = 15 千米。B、C、D 选项的数值错误。
A train travels at a speed of 80 kilometers per hour. How long will it take to cover a distance of 400 kilometers? A. 4 hours B. 5 hours C. 6 hours D. 3 hours 相关知识点: 试题来源: 解析 B。解析:时间=距离÷速度,400÷80=5 小时。
11.When is the train leaving? A.Three ten. B.Three twenty. C.Three thirty. 12.How will the woman go to Qingdao? A.By train. B.By ship. C.By plane. 13.How fast does the man often drive his car? A.60 kilometers per hour. B.80 kilometers per hour. C.100 kilometers per hou...
How fast do you walk?Most people walk between 4 and 6.5 kilometers per hour.But with the Moonwalkers,a pair of walking devices,you can increase your speed by up to 250 percent.These amazing devices can allow you to walk up to 11 kilometers per hour! The Moonwalkers were invented by ...
11.When is the train leaving? A.Three ten. B.Three twenty. C.Three thirty. 12.How will the woman go to Qingdao? A.By train. B.By ship. C.By plane. 13.How fast does the man often drive his car? A.60 kilometers per hour. B.80 kilometers per hour. C.100 kilometers per hou...