1. Drops frequently form above the ocean by the mechanical disruption of waves in strong winds. How much work is required to break up 1 kg of seawater (T = 20°C, s=35 psu) into tiny drops (called spray drops), each in the form a sphere with radius 1 μm? The surface tension between seawater and air can be evaluated from σ (air-seawater) = 75.63 -0.144 T+ 0.221 s where T is in °C, s is in psu, and σis 10-3 Nm-1.

1. Drops frequently form above the ocean by the mechanical disruption of waves in strong winds. How much work is required to break up 1 kg of seawater (T = 20°C, s=35 psu) into tiny drops (called spray drops), each in the form a sphere with radius 1 μm? The surface tension between seawater and air can be evaluated from σ (air-seawater) = 75.63 -0.144 T+ 0.221 s where T is in °C, s is in psu, and σis 10-3 Nm-1.

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

First law of Thermodynamics

The word thermodynamics consists of two words: thermo- and dynamics. Dynamics means the study of motion. The field of thermodynamics is all about the study of the movement of heat. In a more meaningful way, it is stated as the study of the transfer of energy. Energy transfer is something that we encounter in day-to-day life. Automobiles, chemical reactions, refrigerators, and power generators work on the basis of thermodynamic principles.

Question

1. Drops frequently form above the ocean by the mechanical disruption of waves in
strong winds. How much work is required to break up 1 kg of seawater (T = 20°C,
s=35 psu) into tiny drops (called spray drops), each in the form a sphere with radius
1 μm? The surface tension between seawater and air can be evaluated from
σ(air-seawater) = 75.63 -0.144 T+ 0.221 s
where T is in ºC, s is in psu, and σ is 10-3 N m-¹.

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