A polystyrene sheet of height h = 20 cm, a surface area A = 0.40 m2 and a density ρp = 300 kg / m3 is floating in water. If a child of mass m = 31.9 kg is placed on the plate, what will be the fraction of the volume of the plate that protrudes? (answer in decimals).
A polystyrene sheet of height h = 20 cm, a surface area A = 0.40 m2 and a density ρp = 300 kg / m3 is floating in water. If a child of mass m = 31.9 kg is placed on the plate, what will be the fraction of the volume of the plate that protrudes? (answer in decimals).
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter15: Fluids
Section: Chapter Questions
Problem 29PQ
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Question
A polystyrene sheet of height h = 20 cm, a surface area A = 0.40 m2 and a density ρp = 300 kg / m3 is floating in water. If a child of mass m = 31.9 kg is placed on the plate, what will be the fraction of the volume of the plate that protrudes? (answer in decimals).
Expert Solution

Step 1
A= 0.4m2 , h= 20cm, p = 300kg/m3
Mass (m) = 31.9 kg
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