Speed Question

[BAH0003]

Hi,

Question attatched, if anyone can answer that would be great.

Thanks

[AlphaZero]

Hi,

Question attatched, if anyone can answer that would be great.

Thanks

We have  \(1000\ \text{m}=1\ \text{km}\)  and  \(3600\ \text{s}=1\ \text{hr}\),  so \[\text{km hr}^{-1}\overset{\div 3.6}{\longrightarrow} \text{m s}^{-1}\quad\text{and}\quad \text{m s}^{-1}\overset{\times 3.6}{\longrightarrow}\text{km hr}^{-1}\]