1. jarak = 2,5 km = 2500 m
waktu 15 menit = 900 detik
keceptan = jarak/waktu
= 2500/900
= 2,78 m/s
2. kecepatan = 250 km
waktu = 15 menit = 1/4 jam
jarak = kecepatan x waktu
= 250 x 1/4
= 62,5 km
= 62.500 m
1) K = J/W
= 2.500/900
= 2.500/900 / 900/900
= 2,78 M/S
2) J = K(W)
= 250(1/4)
= 250(1)/4
= 250/4
= 62,5(1.000)
= 62.500 M
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Verified answer
1. jarak = 2,5 km = 2500 m
waktu 15 menit = 900 detik
keceptan = jarak/waktu
= 2500/900
= 2,78 m/s
2. kecepatan = 250 km
waktu = 15 menit = 1/4 jam
jarak = kecepatan x waktu
= 250 x 1/4
= 62,5 km
= 62.500 m
1) K = J/W
= 2.500/900
= 2.500/900 / 900/900
= 2,78 M/S
2) J = K(W)
= 250(1/4)
= 250(1)/4
= 250/4
= 62,5(1.000)
= 62.500 M