Question: Problem 1 : ( 1 0 p t s ) A Spherical helium balloon with a 1 2 m diameter is at a temperature of

Problem 1: (10pts) A Spherical helium balloon with a 12 m diameter is at a temperature
of 15C and pressure of 100 kPa .
(a) What is the mass of helium inside the balloon?
(b) If the surrounding air is at the same temperature and pressure, what is
the lift generated by the balloon? Express your answer in N.
Problem 1 : ( 1 0 p t s ) A Spherical helium

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