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ion 18-19 - marder (Brown.J302K1819 4) 2 tween the coin and the turntable? 011 (part 1 of 2) 10.0 points An amusement park ride consists of a rotating circular platform 10.3 m in diameter from which 10 kg seats are suspended at the end of 2.13 m massless chains. When the system rotates, the chains make an angle of 22.9 with the vertical. The acceleration of gravity is 9.8 m/s? What is the speed of each seat? Answer in units of m/s. 012 (part 2 of 2) 10.0 points If a child of mass 37.1 kg sits in a seat, what is the tension in the chain (for the same angle)? Answer in units of N 013 10.0 points An aerobatic airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver.

Need help on 11 (part 1) and 12 (part 2). please and thank you.

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Answer #1

(011) Part (1 of 2) : What is the speed of each seat?

The baizental Companest & Tansian is equal b 2 R. 29 S1ne 2. Sine an

culaz Rath SLS US - 1-Sin e = | (5-15m) Us>n WL S 8.5 m)1) m/s

012 (Part 2 of 2) : If a child of mass 37.1 kg sits in a seat, what is the tension in the chain?

using eq.2 & we get

FT = m g / sin heta'

FT = [(37.1 kg) (9.8 m/s2)] / sin 67.10

FT = [(363.58 N) / (0.9211)]

FT = 394.7 N

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