Question

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Answer 1

Explicație:

a) durata miscarii

delta t= 18h 20 min - 17 h 50 min

delta t= 30 minute= 1800 s (in SI)

b) distanta parcursa

delta d = 184-112

delta d = 72 km= 72000 m

c) viteza medie

v=d/delta t

v= 72000m/1800 s= 40m/s= 2,4 km/min

sper ca intelegi