A student measures the distance traverse...

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 accelration due to gravity. If the maximum percentage errors in measurement of the distance and the time are `e_(1)` and `e_(2)` respectively, the percentage error in the estimation of g is -

`e_(1) + 2e_(2) `

`e_(1) + e_(2)`

`e_(1) - 2e_(2)`

`e_(2) - e_(1)`

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