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What is the right choice for question 22) ? http://postimg.org/image/fuc1r5e75/

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jayson94 | Salutatorian

Posted August 19, 2013 at 2:05 AM via web

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What is the right choice for question 22) ?

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llltkl | College Teacher | Valedictorian

Posted August 19, 2013 at 2:40 AM (Answer #1)

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At St. Johns, Newfoundland, the time of sunrise on nth day of the year, is given by the equation:

`t=1.89sin2pi((n-80)/365)+6:41`

For 3rd. February, n=31+3=34

So, `t=1.89sin2pi((34-80)/365)+6:41`

`=1.89*(-0.71166)+6:41`

`=-1.345+6:41`

`=5:06 am` (option b)).

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