Question: . After blowing up a balloon, you release it without tying off the opening, and it flies out of your hand. If the diameter of

. After blowing up a balloon, you release it without tying off the opening, and it flies out of your hand. If the diameter of the balloon is 6 in., the pressure inside it is 1 psig, and the opening is 1/2 in. in diameter, what is the balloon velocity? You may neglect friction in the escaping air and the weight
of the balloon and assume that an instantaneous steady state (i.c., a "pseudo" steady state) applies.

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