Management | Help 17-Moment Of Inertia Begin Date: 11/6/2017 8:00:00 AM-Due Date

Question

Management | Help 17-Moment Of Inertia Begin Date: 11/6/2017 8:00:00 AM-Due Date: 11/13/2017 7:50:00 AM End Date: 11/17/2017 7:50:00 AM (15%) Problem 5: A merry-go-round at an amusement park consists of an outer ring of horses and an inner ring of elephants. The ring of eight horses has a radius of /h = 8.4 m. Each of the eight horses has a mass mh= 95 kg. The rig of four elephants has a radius of re 6.5 m and each of the four clephants has a mass me 190 kg. The platform of the merry-go-round itself has a mass of mp = 15.50 kg and a radius of rp 11 m. Atit's operating speed, the memy-go-round makes one revolution every -13s Ctheexpertta.com 25% Part (a) Enter an expression for the total moment of inertia of the carousel about its axis in terms of the defined quantities. Grade Summary Potential 100% Submissions Attempts remaining: g detailed view per attempt) 133 me nnh 0 Submit Hint I give upt Hints:deduction per hint hints remaning:- Feedback:-deduction per feedback. 25% Part (b) Calculate the moment of inertia of the carousel about its axis, in units of kilogran meters squared. S4 25% Part (c) Enter an expression for the angular speed of the carousel intems of the defined quantities 25% Part (d) Calculate the carousel's angular speed, in radians per second. All cnest2017 Expert TA.LLC

Explanation / Answer

a] i = 4*me*re^2 + 8*mh*rh^2 + 0.5mp*rp^2

b] i = 4*190*6.5^2 + 8*95*8.4^2 + 0.5*1550*11^2

= 179511 kgm^2

c] w = 2pi/t

d] w = 2pi/13 = 0.4833 rad/s

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