EASA NAV(A)intermediate
An aircraft flies 100 NM in 56 minutes. What is its approximate groundspeed?
Answer
107 kt
Explanation
Convert 56 minutes to hours: $56/60=0.933$ hours. Then $GS=100/0.933\approx107$ kt. The 198 figure would result from an incorrect time conversion or unit interpretation. **Key takeaway:** Convert minutes to hours before using distance divided by time.\n\n**Glossary:** **Groundspeed**: distance over ground divided by elapsed time.
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