(

800700

6002000

500

400 2010

300

(

(V) Kmh-1

10 < V 30 30 < V 40 40 < V 45 45 < V 50 50 V 60 60 < V 100

6 16 12 10 12 4

10 kmh-1

Kmh-1

50 Kmh-1

(iii) 0.01

(4)

(m/s) (kw)

(m/s)(kw)

0 04 1328 27512 33216 48820 82124 1,00028 1,00032 1,00036 1,00040 1,000

(m/s) 24

(5)

(6)