Question

Bantuin iyaa, no2-5. abaikan kotretan dipinggirnya.

Answer 1

Maaf saya bantu nomor 2 saja
Diketahui
Vo = 72 km/jam = 20 m/s
V = 108 km/jam = 30 m/s
t = 5 menit = 300 detik
ditanya
s =.....?
jawab
V = Vo + at
30 = 20 + 300a
300a = 10
a = 1/30

s = Vot + ½at²
s = 20(300) + ½(1/30)(300)²
s = 6000 + 1500
s = 7500 meter = 7,5 km

Answer 2

2][
S = ½ (Vo + Vt) t
S = ½ (20 + 30) • 5×60
S = 7500 m ← jwb

3][
h = ½ g t²
160 = ½ • 10 • t²
t = √32 = 4√2 s ←