In an alternate universe, under certain conditions a "composition pressure" can arise, and has the form P = P0e where P0 = 46.7 dyne cm2 Stars in this universe are supported by composition pressure, and have a density profile of ?(r) = ?0 r r0 ?0.35 where ?0 = 0.0234 g cm?3 r0 = 8.74 109 cm What is the mean molecular weight in the center of a 2.0 M? star?

17. (12 points) In an alternate universe, under certain conditions a "composition pressure" can arise, and has the form P = Poet where Po = 46.7 dyne cm Stars in this universe are supported by composition pressure, and have a density profile of -0.35 p(r) = po where po = 0.0234 g cm- To = 8.74 x 10 cm What is the mean molecular weight in the center of a 2.0 Mo star