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‚PB
(1) T = 2ƒÎ/ƒÖ= 2ƒÎ/ƒÎ= 2 (s)
(2) f = 1/T = 1/2 = 0.5 (Hz)
(3) v = rƒÖ= 1~ƒÎà3.14 (m/s)
(4) a = rƒÖ2 = 1~ƒÎ2à9.87 (m/s2)
(5) F = mrƒÖ2 = 1~1~ƒÎ2à9.87 (N)