(II) A spherical balloon has a radius of 7.15 m and is

Chapter 4, Problem 25P

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QUESTION:

Problem 25P

(II) A spherical balloon has a radius of 7.15 m and is filled with helium. How large a cargo cai it lift, assuming that the skin and structure of the balloon have a mass of 930 kg? Neglect the buoyant force on the cargo volume itself.

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QUESTION:

Problem 25P

(II) A spherical balloon has a radius of 7.15 m and is filled with helium. How large a cargo cai it lift, assuming that the skin and structure of the balloon have a mass of 930 kg? Neglect the buoyant force on the cargo volume itself.

ANSWER:

Solution 25P:

        We have to calculate the maximum mass of the cargo that the balloon can lift from the given problem statement.

Step 1 of 4

Concept:

        Archimedes Principle: The buoyant force acting on the balloon placed in air of density is equal the weight of the air displaced by the volume of the balloon. Mathematically,

                                                        …(1)

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