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A Balloon Has a Diameter of 50 Cm,and the Density

Question 39

Multiple Choice

A balloon has a diameter of 50 cm,and the density of the air in the balloon is 1019 particles/cm3.You wish to expand the balloon so that its density is 1 particle/cm3 (the average density of the interstellar medium) .What is the diameter will the balloon have when its density is 1 particle/cm3?


A) 1,100 km
B) 1.1*108 km
C) 220 km
D) 2.2*106 km
E) 4.3*104 km

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