I need a solution for these two questions. I need all parts step by step. 1: To

I need a solution for these two questions. I need all parts step by step. 1: To an order of magnitude, how many piano tuners reside in New York City? The physicist Enrico Fermi
was famous for asking questions like this one on oral
Ph.D. qualifying examinations.2: Air is blown into a spherical balloon so that, when its
radius is 6.50 cm, its radius is increasing at the rate
0.900 cm/s. (a) Find the rate at which the volume of
the balloon is increasing. (b) If this volume flow rate
of air entering the balloon is constant, at what rate will
the radius be increasing when the radius is 13.0 cm?
(c) Explain physically why the answer to part (b) is
larger or smaller than 0.9 cm/s, if it is different
Requirements: need solution step by step

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