Time taken by a body in (20 +-0.2) secon...

Time taken by a body in `(20 +-0.2)` second in undergoing a displacement of `(200 +-5)`m. Calculate the percentage error in calculation of velcoity.

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Percentage error in measurement of displacement = `(5)/(200)xx100`
Percentage error in measurement of time = `(0.2)/(20)xx100`
`therefore` Maximum permissible error = `2.5 + 1 = 3.5%`

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