A scuba diver releases a 3 cm diameter air bubble from a depth of 14.0 m. Assumingthe temperature is constant at 298 K, air bubble is a sphere and behaves as an ideal gas,compute the radius of the air bubble when it reaches the surface of water.(c)[Given density of water, Pwater = 1000 kg/m³, atmospheric pressure, Patm= 1x 105 Pa] (d)One of the most efficient engine built so far has the following characteristics:combustion reservoir temperature = 1900°Cexhaust reservoir temperature = 430°C7.0 x 10° calories of fuel produces 1.4 x 10" J of work in one hour10.Based on the given characteristics of this engine, compute the(i)actual efficiency of this engine, and(ii)power output of this engine.[Given 1 calorie = 4.186 J]

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A scuba diver releases a 3 cm diameter air bubble from a depth of 14.0 m. Assuming the temperature is constant at 298 K, air bubble is a sphere and behaves as an ideal gas, compute the radius of the air bubble when it reaches the surface of water. [Given density of water, Pwater = 1000 kg/m³, atmospheric pressure, Patm = 1 x 105 Pa]

A scuba diver releases a 3 cm diameter air bubble from a depth of 14.0 m. Assuming the temperature is constant at 298 K, air bubble is a sphere and behaves as an ideal gas, compute the radius of the air bubble when it reaches the surface of water. [Given density of water, Pwater = 1000 kg/m³, atmospheric pressure, Patm = 1 x 105 Pa]

College Physics

11th Edition

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

A scuba diver releases a 3 cm diameter air bubble from a depth of 14.0 m. Assuming
the temperature is constant at 298 K, air bubble is a sphere and behaves as an ideal gas,
compute the radius of the air bubble when it reaches the surface of water.
(c)
[Given density of water, Pwater = 1000 kg/m³, atmospheric pressure, Patm= 1x 105 Pa]

(d)
One of the most efficient engine built so far has the following characteristics:
combustion reservoir temperature = 1900°C
exhaust reservoir temperature = 430°C
7.0 x 10° calories of fuel produces 1.4 x 10" J of work in one hour
10.
Based on the given characteristics of this engine, compute the
(i)
actual efficiency of this engine, and
(ii)
power output of this engine.
[Given 1 calorie = 4.186 J]

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