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34.
2) sq. cm/min 3) 10 sq. c
) un
oon is filled with 4500 cubic meters of helium gas. If a leak in the
causes the gas to escape at the ratio of 721 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
[AIEEE 2012)
9 1) 2/
2 2 )9/
3 ) 9/7
4) 7/9
Q2 Gacic leaking out of onberianl bolloon at the rate of 1800 cubic cm per sec When
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