Navigating A plane is 150 miles north of a radar station, and 30 minutes later it is 60° east of north at a distance of 100 miles from the radar station. Assume the plane flies on a straight line and maintains constant altitude during this 30-minute period.
a. Find the distance traveled during this 30-minute period.
b. Determine the average velocity of the plane (relative to the ground) during this 30-minute period.
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