Question

1.1 máy bay bay với vận tốc 720km/gió.tinh vân tốc của máy bay đó theo đơn vị m/giây?

2.quãng đường :18.9km

vận tốc :125.6 km/giơ

thời gian :..

Answer 1

1.12000

Answer 2

Thời gian : 1,12000

Answer 3

1/ 720km/h=720.1000/3600=200m/s

2/ thời gian là: 18,9:125,6=0,15 giờ=9 phút

Answer 4

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