V flies = 18 km / h
V starling = 20 km / s
Find: compare the speed of the SI to convert km / h, you need to multiply by 3.6 (reduction 1000 m / 3600 s)
18 * 3.6 = 64.8 m / s
to compare the speeds, you need to find their difference, that is, subtract.
64.8 m / s – 20 m / s = 44.8 m / s
Answer: 44.8 m / s
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