Calculate the Weight of All the Air in This Classroom $1.2 \mathrm {~kg} / \mathrm { m } ^ { 3 } .$

question 45

Essay

Calculate the weight of all the air in this classroom.Assume the density of air to be
approximately $1.2 \mathrm {~kg} / \mathrm { m } ^ { 3 } .$

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