cchsemily6918 cchsemily6918
  • 09-01-2024
  • Physics
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A spherical balloon is filled with 4500p cubic meters of helium gas. If a leak in the balloon causes the gas to escape at the rate of 72π cubic meters per minute, then the rate (in meters per minute) at which the radius of the balloon decreases 49 minutes after the leakage began is

(1) 9/7
(2) 7/9
(3) 2/9
(4) 9/2

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