Tugas Evaluasi bab 4

18.
Diket= a = -5m/s2
vo = 100 m/s
vt= 0 m/s
Dit = s = ?
t=?
Jawab = vt.vt= vo.vo+2as
0= 10000+2(-5).s
10s=10000
s=1000m

vt=vo.a.t
0=100+(-5).t
-100=-5t
t=20s


by.Felix
XG/18