If the displacement of a body, = (200 ± 5) m and time taken by it is – InterviewSolution

1.

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

Answer»

(ΔV/V) x 100 % = (ΔS/S) x 100 % + (Δt/t) x 100 %

= (5/200) × 100 + (0.2/20) × 100

= 2.5 + 1

= 3.5%

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