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Verified answer
~Kinematika dan Dinamika Benda Tegar~Diketahui
ωο = 0
ωt = 18 rad/s
r = 20 cm = 0,2 m
t = 0,3 s
Ditanya
a =__?
Jawab
Cari dahulu percepatan sentripetalnya maka
a = ω. r
a = 18. 0,2
a = 64,8 m/s
Jadi, cari lagi percepatan tangensialnya
Cari, percepatan totalnya maka