Question

(a) A car speedometer has a uncertainty. What is the range of possible speeds when it reads ? (b) Convert this range to miles per hour. ($1 \textrm{ km} = 0.6214 \textrm{ mi}$)

a) $94.5 \textrm{ km/h}$ to $85.5 \textrm {km/h}$

b) $58.7 \textrm{ mi/h}$ to $53.1 \textrm{ mi/h}$

Solution Video