1. Ben was riding a cycle which travels at a speed of 263 \(m/s\). Calculate its speed in \(km/h\).
Answer: \(km/h\)
2. In a marathon, Ben runs 819 \(metres\) in 18 \(minutes\) 23 \(seconds\). Calculate the total speed in \(metres\ per\ second\) \(m/s\)?
Answer: \(m/s\)