Lantern asked:


The sonic barrier has stifled new aircraft design for 50 years now. Something is making that plane go boom at around 600 mph.

chrissymm99 asked:


A jet airliner, moving initially at 290 mi/h to the east, suddenly enters a region where the wind is blowing at 80 mi/h toward the direction 30.0° north of east. What is the new speed and direction of the aircraft relative to the ground?

?mph
?degrees
south of east?
north of west?
north of east?
south of west?

starberries asked:


A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 115 mi/h in a direction 30.0° north of east. What is the new velocity of the aircraft relative to the ground?

Foxychick asked:


A jet airliner moving initially at 300 mi/h due east enters a region where the wind is blowing at 105 mi/h in a direction 28.0° north of east. What is the new velocity of the aircraft relative to the ground?

( mi/h ) & ( ° north of east)

zee_prime asked:


Pre WWII DC3s are still in use. Many other commonly used aircraft types like F27s, Boeing 737s, Cessna 150s and 172s are decades old, yet you see very few vintage cars on the road. Silly question but what’s the difference?