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vo = 6 m/s
vt = 0
t = 4s
ditanyakan :
a = ?
s = ?
jawab :
vt = vo + a t
0 = 6 + 4 a
- 4a = 6
a = -6/4 = -1,5 m/s^2
jadi perlambatannya 1,5 m/s^2
s = vo t + 1/2 a t^2
s = 6 (4) + 1/2 (-3/2) 4^2
s = 24 -12 = 12 m