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NEET 2010 Physics question

PhysicsUnits and MeasurementNEET 2010

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 , the acceleration due to gravity. If the maximum percentage errors in measurement of the distance and the time are and respectively, the percentage error in the estimation of is

Answer: (2)

Solution

For a body starting from rest, , so . For the maximum error, the fractional errors of the factors add (powers are multiplied by the exponent): $ = Missing argument for \dfrac\dfrac{Δ

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Question ID VK-090339