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một ôtô chuyển động quãng đường đầu tiên với vận tốc 12km/h trong 0,2h, trên đoạn đường còn lại chuyển động với vận tốc 20km/h trong 0,3h. Tính vận tốc trung bình của ôtô trong suốt thời gian chuyển động.
Ishan Sharma
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Feb 14, 2022
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một ôtô chuyển động quãng đường đầu tiên với vận tốc 12km/h trong 0,2h, trên đoạn đường còn lại chuyển động với vận tốc 20km/h trong 0,3h. Tính vận tốc trung bình của ôtô trong suốt thời gian chuyển động. (giúp mik với nha)
Physics
high-school
Ishan Sharma
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Answer:
v(tb) = 16,8 km/h
Step-by-step explanation:
TooMuchPete
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Feb 20, 2022
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