smit715674
11.10.2020 •
Physics
The length of the tunnel is 20 meters. A bicycle enters the tunnel at a speed of 3m/s and leaves the tunnel at 2m/s. How long did it take for the bicycle to go through the tunnel?
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Ответ:
v=10m/s
Explanation:
Ответ:
Explanation:
The Native Korean number system is used for general counting, like when you're counting out loud, up to 99. It's also used to count people, hours, things, ages, and more. Sino-Korean numbers are used for things like dates, money, minutes, addresses, phone numbers, and numbers above 100.