3. A student measures the distance traversed in free
fall of a body, initially at rest in a given time. He
uses this data to estimate g, the acceleration due
to gravity. If the maximum percentage errors in
measurement of the distance and the time are e,
and e, respectively, the percentage error in the
estimation of g is [AIPMT (Mains)-2010]
(1) e-e
(2) e, +2e,
(3) e, + e,
(4) e, -2e
but wt happens to 2
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4
Explanation:
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