Asked by lizbeth
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 17 cm . You take the balloon in an airplane, where the pressure is 0.89 atm.
If the temperature is unchanged, what's the balloon's new radius?
If the temperature is unchanged, what's the balloon's new radius?
Answers
Answered by
bobpursley
p1/p2=V2/V2
but volume is proportional to radius cubed, so
p1/p2=r2^3/r1^3
1/.89 * 17^3cm=R2^3
r2=17 cubrt(1/.89)
but volume is proportional to radius cubed, so
p1/p2=r2^3/r1^3
1/.89 * 17^3cm=R2^3
r2=17 cubrt(1/.89)
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