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If displacement of a body s = (200 pm 5)...

If displacement of a body `s = (200 pm 5)` m and time taken by it t = `(20 pm 0.2)` s, then find the percentage error in the calculation of velocity.

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Percentage error in measurement of displacement `= (5)/(200) xx 100`
Percentage error in measurement of time `= (0.2)/(20) xx 100`
`:.` Maximum permissible error `= 2.5 + 1 = 3.5%`
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