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Chrome File Edit View History Bookmarks People Window Help 25% D Thu Oct 8 3:18 PM a E Mastering Physics: Chapter 5 https:// session.masteringphysics.com/ myct/itemView? assignmentProblemID-54815533 Phy 201 Fall 2015 Signed in as jessica Gonzalez Help Close Signed in as jes Chapter 5 Centripetal Force Ranking Task previous l 3 of 21 l next Centripetal Force Ranking Task Physics: Principles Six artificial satellites complete one circular orbit around a space station in the same amount of time Each satel e has mass m and radius of orbit L. The satellites fire rockets that provide the force needed to maintain a circular orbit around the space station. The gravitational force is negligible. DUE DATETIME 08/3 5 at 09:00am 09/09/15 at 09:00am 5 at 09:00am 09/2 10/05/15 at 09:00am 10/12/15 at 09:00am 08/25/15 at 11:59pm Part A Rank the net force acting on each satellite from their rockets Rank from largest to smallest. To rank items as equivalent, overlap them. m 300 kg mn 100 kg 800 kg m 100 kg L 10,000 m 7500 m 5000 m 2500 m m 400 kg 2500 m

Explanation / Answer

the net force Fc = m*L*w^2

m = mass of the satellite

v = speed

L = distance of the satellite from the space station

all the satellites are taking the same time to complete one circular orbit

angular speed is same for all

F is proportional to m*L

(1)

F1 = m1*L1 = 800*5000 = 4*10^6*w^2 N

(2)

F2 = 300*7500 = 2.25*10^6*w^2 N

(3)

F3 = 200*5000 = 1*10^6 *w^2 N

(4)

F4 = 100*10000 = 1*10^6 w^2 N

(5)

F5 = 100*2500 = 0.25*10^6 w^2 N

(6)

F6 = 400*2500 = 1*10^6 w^2 N

F1 > F2 > F3 = F4 = F6 > F5

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