A body travels uniformly a distance of `(13.8 pm 0.2)m` in a time `(4.0 pm 0.3)s`. Determine velocity of the body within error limits.

Explanation

Here `s=(13.8pm0.2)m`
and `t=(4.0 pm 0.3)sec`
Expressing it in percentage error, we have,
`s=13.8 pm (0.2)/(13.8)xx100%`
`=13.8pm 1.4%`
and `t=4.0pm (0.3)/(4)xx100%`
`=4pm 7.5%`
`therefore v=(s)/(t)=(13.8 pm 1.4)/(4pm 7.5)`
`=(3.45pm0.18)m//s`