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iragen [17]
3 years ago
14

Một ô tô chuyển động từ A đến B với tốc độ 30m/s rồi lập tức quay lại A với tốc độ 20m/s. Tính tốc độ trung bình trên cả đoạn đi

và về
Physics
1 answer:
viktelen [127]3 years ago
4 0
54 plus 95 is the real answer 3 is everyone’s lucky number one lucky leprechaun is the kind and two daughters are his wives
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