Chapter 32, Problem 54PE

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

Chapter
Section

### College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

# It is estimated that the total explosive yield of all the nuclear bombs in existence currently is about 4.000 MT.(a) Convert this amount of energy to kilowatt−hours, noting that 1   kW ⋅ h=3 .60×10 6 J .(b) What would the monetary value of this energy be if it could be converted to electricity costing 10 cents per kW.h?

To determine

(a)

The explosive yield of all the nuclear bombs in existence in kilowatt-hours.

Explanation

Given:

The total explosive yield of all the nuclear bombs E=4000Â MT

Calculation:

Express the energy of the bombs in joules.

â€ƒâ€ƒE=4000Â MTÃ—4.184Ã— 10 15J1Â MT=1.6736Ã—1019J

Convert the energy in joules to kilowatt-hour.

â€ƒâ€ƒE=1

To determine

(b)

The monetary value of the energy of the bombs, if they can be converted into electrical energy.

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