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Gerak Melingkar
Kelas X

24.]
R = 12 m
n = 32 kali
t = 4 menit = 240 s
v = _ ?

f = n / t
f = 32 / 240
f = ²/₁₅ Hz

v = ω R
v = 2πf R
v = 2π • ²/₁₅ • 12
v = 3,2π m/s [E]

25.]
v = 24 m/s
R = 12 cm = 0,12 m

ω = _ ?

ω = v / R
ω = 24 / 0,12
ω = 200 rad / s [E]