Question

A balloon is blown up until its internal pressure is p. The exit velocity out the...

A balloon is blown up until its internal pressure is p. The exit velocity out the nozzle (which has areaA)is V_N.

A. Determine an expression for the exit velocity V_N, making any necessary assumptions.

B. Determine an expression for the force required to hold the balloon in place. Your answer would be written in terms of V_N.

C. Neglecting friction (and assuming constant p in the balloon), what is the maximum speed the balloon could attain if you let it go?

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