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Một đoàn tàu chạy với vận tốc 72 km/h thì phanh chạy chậm đến sau 10s vận tốc giảm
Một đoàn tàu chạy với vận tốc 72 km/h thì phanh chạy chậm đến sau 10s vận tốc
giảm xuống còn 54km/h hỏi sau bao lâu đoàn tàu dừng hẳn
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hebrew1148
4,8(76 marks)
Magnitude and direction
Explanation:Since, velocity is a vector quantity, it has two components to it. The magnitude, which is the speed, and the direction in which the motion is happening.
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