Question

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Two ice skaters, male (blue) and female (red) hold hands (purple) as they swing in a U-shape (yellow). The length of their extended arms is 0.5 m and the radius of the U is 0.3 m. At the instant shown, the man skates with a velocity of 4 m/s to the right (+x), slowing at an acceleration of -0.3 m/s2 (50 am points to the left, (-x)). Approximate the skaters as a rigid body system of two sliders (blue, red) connected by a rod (purple), moving in the horizontal plane. ant m Vm اليا What is the acceleration of the female skater? Express your answer to 3 significant figures. + -- j m/s2 FO

Answer 1

im PE O'S 8.3 o 04 From rigid boely thearems": Um caso = Vonino VF = Um cat o = 4 xq 3 16 3 VF = 5:33 min = 5.33 mis As For angular Velbuty :- UniF Warm = Umsino & VF coso Umsino & Vf cond Oos + 0.4 03 Oos - 6.5 0.5 . as radio Warm = 13:33 read / (-Å) Waz Now, 0 유 = F af/m + am = ( wil sino tam) 1-1) + wel uso lî) - (53.33 +3)(-1) + 71.1) (d) m/0² ar = 53.63 53.63 1-î) + 71.11 ) m/s2 =-53.63 Î & Holl mis² a F