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Question

Rate of change of weight near the earth's surface varies with height (h) as


  1. h-1

  2. h1/2

  3. h

  4. h0


Solution

The correct option is D

h0


gh =g (1 - 2hR) (h << R, radius of earth)

Rate of change of weight with feight ,

= |dwdh| = |d(mg)dh| = m|d(g)dh|

=|2mgR| = constant 

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