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t1=1s || t2=3s
ditanya:
dijawab:
1. v1: 2x1+6x1^2= 8
v2: 2x3+6x3^2= 60
a= v2-v1/t2-t1
= 60-8/3-1
= 52/2= 26 m/s^2
2. a = dv/dt= 2+6t
a t:4s = 2+6x4= 26 m/s^2
#maaf kalo slah