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Verified answer
30 km = 30000 m, sehinggat = s/v = 30000/10 = 3000 sekon = 3000:60 menit = 50 menit
Jadi, waktu yg diperlukan adalah 50 menit.
= > K ( Kelajuan ) = 10 m / Sekon ≈ 10 m / Detik
= > W ( Waktu ) = ???
W = J ÷ K
= 30.000 m ÷ 10 m / Sekon
= ( 30.000 ÷ 10 ) Sekon
= 3.000 Sekon
= 3.000 ÷ 3.600
= 5 / 6 Jam ≈ 50 Menit
#semoga_membantu _^