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Verified answer
Diket :Voa = 40m/s
Va = 60m/s
a = 1 m/s^2
Vob = P
Vb = 30m/s
a = -2m/s^2
Voc = 15 m/s
Vc = Q
a = 2m/s^2
Jawab :
Jarak A :
V^2 = Vo^2+2as
60^2 = 40^2+2(1)s
3600-1600 = 2s
2000/2 = s
s = 1000m
B :
V^2 = Vo^2+2as
30^2 = P^2+2(-2)(1000)
900 = p^2-4000
p^2 = 4900
p = 70
Maka Vo = 70m/s
C :
V^2 = Vo^2+2as
Q^2 = 15^2+2(2)(1000)
Q = √225+4000
Q = √4225
Q = 65 m/s
Maka V = 65 m/s
Jawaban :
P = 70 m/s
Q = 65 m/s
Maaf jika ada kesalahan :)