EASA NAV(A)intermediate
An aircraft travels 100 km in 56 minutes. What is its groundspeed?
Answer
107 km/h
Explanation
Convert 56 minutes to hours: 56/60 ≈ 0.933 h. Then GS = 100/0.933 ≈ **107 km/h**. The answer is expressed in the same distance unit used in the problem. **Key takeaway:** Convert minutes to hours before dividing distance by time. **Glossary:** Groundspeed: horizontal speed over Earth's surface.
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