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Dit : a pada saat t:2s
penye :
a = dv
dt
v = dr (5+10t+2,5t²)i + (12+24t+6t²)
dt
= (10+6,25t)i+(24+36t)j
a = d (10+6,2t)i+(24+36t)j
dt
= 6,25i+36j m/s²