Forest areas usually have freshwater ponds and lakes in which small animals such as crayfish, shrimp, etc. live. One such animal has an average diameter of 1 mm. We want to know the drag force on this animal when it moves slowly in freshwater. As it is difficult to measure this drag force on such a small animal, a scale model 100 times larger is made and tested in glycerin in a laboratory at V = 30 cm/s. The measured %3D drag on the model is 1.3 N. For similar conditions, find the velocity and drag of the actual animal in water. Given that kg Pwater (m-s) Hwater = 0.001 999 kg/ m3 kg Pglycerin (m-s)' Helycorin =1.5 = 1263 kg / m

Forest areas usually have freshwater ponds and lakes in which small animals such as crayfish, shrimp, etc. live. One such animal has an average diameter of 1 mm. We want to know the drag force on this animal when it moves slowly in freshwater. As it is difficult to measure this drag force on such a small animal, a scale model 100 times larger is made and tested in glycerin in a laboratory at V = 30 cm/s. The measured %3D drag on the model is 1.3 N. For similar conditions, find the velocity and drag of the actual animal in water. Given that kg Pwater (m-s) Hwater = 0.001 999 kg/ m3 kg Pglycerin (m-s)' Helycorin =1.5 = 1263 kg / m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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