The moon subtends an angle of 57' mins at the base line equal to the radius of the earth.What is the distance of the moon frm the earth.(radius of the earth = 6.4 x 10-6  )

pls answer fast   

Posted by Manav Dhora (Apr 21, 2017 12:57 p.m.) (Question ID: 4979)

  • pls reply fast

     

    Posted by Manav Dhora (Apr 21, 2017 1:04 p.m.)
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  • Answers:
  • D = 57' = 57' * 60

          = 3240"

    arc second to radian = 3240 * 4.85 * 10-6

                                      = 16587 * 10-6

    D= b/{tex}\theta{/tex} 

    D = 6.4 * 10-6  /  16587 * 10-6

        = 32/82935

         =   3.85 * 108

    Answered by Manav Dhora (Apr 21, 2017 3:54 p.m.)
    Thanks (2)
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