There are two cars running from the place A to the place B. The first car 's velocity is v1 km/h in the first half of the street and v2 km/h in the second half of the street. The second car 's velocity is v1 km/h in the first half of the time that the second car runs from A to B and v2km/h in the second half of the time that the second car runs from A to B. Which one of two cars will be in the place B the first??? ( have two case like v1=v2 and v1 khác v2...
Đọc tiếp
There are two cars running from the place A to the place B. The first car 's velocity is v1 km/h in the first half of the street and v2 km/h in the second half of the street. The second car 's velocity is v1 km/h in the first half of the time that the second car runs from A to B and v2km/h in the second half of the time that the second car runs from A to B. Which one of two cars will be in the place B the first??? ( have two case like v1=v2 and v1 khác v2 )
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