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Assignment 22 Seed Question 1
An airplane traveling to the northwest is exerting just enough force to overcome wind resistance. It encounters a sudden wind gust which is directed at 30 degrees south of east, which results in a net force in that direction.
• During the half-second before the pilot has time to react to the gust, does the airplane speed up, slow down or maintain constant (or very nearly-constant) speed?
answer/question/discussion: Before the pilot has time to react to the gust a half-second before, there is still some time before the opposition of the wind hits. Therefore, the airplane should remain very nearly-constant to the speed it was traveling before additional resistance.
As soon as the wind hits, the airplane will begin changing its velocity (i.e., changing its speed and/or direction of motion).
The velocity change accumulates over a period of time, but the sudden change in acceleration will cause a perceptible 'jerk' in the motion.
• Does it veer a bit to the right, a bit to the left or does it continue traveling along a straight line?
answer/question/discussion: Before the airplane gets hit by the additional air resistance, it is traveling in a relatively straight line which we were told was going to a northwest like direction.
A wind with a component not in the direction of motion will cause a change in direction, at least until the pilot has had time to compensate. If the pilot reacts quickly the acceleration due to the wind won't have time to result in a large change in velocity.
In this case the wind has a component which is directed to the right, as observed by someone facing in the direction of the airplane's motion.
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This took me about 15 minutes.
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&#Let me know if you have questions. &#