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Zinaida [17]
3 years ago
11

Please help, I really don't know

Physics
1 answer:
zubka84 [21]3 years ago
7 0

circular motion.

cent acc = r omega^2 ... omega is ang vel ... omega=2pi/T ,,,

9.8=rx(2pi/T)^2

if r is known, solve for T


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