Question 1145Navigation General70% to pass
The velocity of the apparent wind can be more than the true wind, and come from the same direction, if certain conditions are present. One condition is that the _______________.
AI Explanation
The correct answer is D) the true wind must be from dead ahead.
When the true wind is blowing directly from ahead (dead ahead), the apparent wind velocity can exceed the true wind velocity if the ship's speed is greater than the true wind velocity. This is because the ship's forward motion adds to the true wind, resulting in a higher apparent wind speed from the same direction as the true wind.
The other options are incorrect because: A) the true wind velocity does not need to be faster than the ship's speed, B) the true wind does not need to be from dead astern, and C) the ship's speed can be less than the true wind velocity and still result in the apparent wind being greater than the true wind.
Related Questions
#1143 A wind vane on a moving vessel shows _______________.#1144 The velocity of the apparent wind can be less than the true wind and from the same direction, if certain conditions are present. One condition is that the _______________.#1146 Which weather element cannot be measured accurately while on board a moving vessel? #1147 You are steaming west in the South Atlantic in an extratropical cyclonic storm, and the wind is dead ahead. According to the law of Buys Ballot, the center of low pressure lies _______________.#1148 If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you, what winds can you expect in the Southern Hemisphere?