If you have 10 NM to go and your ground speed is 60 knots, how many minutes until arrival?

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Multiple Choice

If you have 10 NM to go and your ground speed is 60 knots, how many minutes until arrival?

Explanation:
Time to cover a distance at a constant ground speed is found by dividing the distance by the speed. Since 60 knots means 60 nautical miles per hour, that’s 1 nautical mile per minute. For 10 nautical miles to go, you’d need 10 minutes. The other numbers would correspond to traveling 5, 15, or 20 nautical miles at the same speed, which isn’t the distance remaining here.

Time to cover a distance at a constant ground speed is found by dividing the distance by the speed. Since 60 knots means 60 nautical miles per hour, that’s 1 nautical mile per minute. For 10 nautical miles to go, you’d need 10 minutes. The other numbers would correspond to traveling 5, 15, or 20 nautical miles at the same speed, which isn’t the distance remaining here.

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