a what is the weight of air inside a spherical balloon of radius 2 meters? The density of air is 1.29 kg /m^3 Spherical ball

Question

a
what is the weight of air inside a spherical balloon
of radius 2 meters? The density of air is 1.29 kg /m^3
Spherical balloon​

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Tài Đức 5 years 2021-07-30T14:22:09+00:00 1 Answers 161 views 0

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  1. bonexptip
    0
    2021-07-30T14:23:19+00:00
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    m = 43.2 kg

    Explanation:

    volume of sphere = (4/3)pi(r)^3

    = (4/3)(3.14)(2 m)^3

    = 33.5 m^3

    density = mass/volume

    or solving for mass m,

    m = (density)×(volume)

    = (1.29 kg/m^3)(33.5 m^3)

    = 43.2 kg

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