Question

Mary and her younger brother Alex decide to ride the 26-foot-diameter carousel at the State Fair....

Mary and her younger brother Alex decide to ride the 26-foot-diameter carousel at the State Fair. Mary sits on one of the horses in the outer section at a distance of 11 feet from the center. Alex decides to play it safe and chooses to sit in the inner section at a distance of 7 feet from the center.

(a) What is Mary's angular speed ωM compared to that of Alex's angular speed ωA? Give your answer as a multiple of ωA.
ωM =  ωA

(b) What is Mary's tangential speed vM compared to that of Alex's tangential speed vA? Give your answer as a multiple of vA.
vM =  vA

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Answer #1

Anguler speed e defneed as the rate of change of anguler a desplacement with time Now, let us consider the Let o be the cente9 o Here el OA = OA-7 SA And OM OM = 11 st. Le led due to sotelion, the position of Many changes changes from to me Whete th2 Angular velocity of Mary Me a A wм VARUM :MMJAR Lenein velocity of Mary us MM length t Fron 0 and ( we can say that WMF AnReyes VM 11 w I w N VA 7 w Vor = 14 ora z tos 7 A Vm= 1.57 VABA)The answers are in the images. Page number is mentioned at right top.

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