Convert given units to J and BTU lb·ft?to J and to BTUs2

Answered: lb·ft? 15 6:ft2 to J and to BTU s2

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Convert given units to J and BTU

Expert Solution

Step 1: Converting given Units to J

$(X) = ((15) \times (\frac{(l b) \times (f t^{2})}{(s^{2})}))$ ............ (1)

Now Putting the value of "lb" in "kg" form

and "ft" in "m" Form.

$(1 l b) = ((0.45359237) k g) (1 f t) = ((0.3048) m) (1 f t^{2}) = ({(0.3048)}^{2} m^{2})$

Now putting the Value in Equation (1)

$(X) = ((15) \times (\frac{((0.45359237) k g) \times ({(0.3048)}^{2} m^{2})}{(s^{2})})) (X) = ((15) \times (0.45359237) \times ({(0.3048)}^{2}) \times ((\frac{(k g) \times (m)}{(s^{2})}) \times (m))) (X) = ((6.80388555) \times (0.09290304) \times ((N) \times (m)))$

$(X) = ((15) \times (\frac{(l b) \times (f t^{2})}{(s^{2})})) = ((0.632101651407072) \times (J))$

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