Sebuah piringan berdiameter 12 cm berputar dengan kelajuan tetap 6 m/s. berapakan percepatan sentripetal piringan tersebut?
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d = 12 cm = 0,12 m
R = 12/2 = 6 cm = 0,06 m
v = 6 m/s
dit : a ?
dijawab :
a = v²/R
= 6²/0,06
= 36/0,06
= 600 m/s²