Posted by **alice** on Sunday, May 19, 2013 at 8:06am.

At an airport, a flight controller was in a tower 40m above the ground. When she first observed a plane it was at an angle of elevation of 12 (degrees) from her line of sight and flying at a constant altitude (height)

The plane had a constant speed of 360km/h

Eight seconds later the plane flew directly overhead.

On reaching the tower, the plane climbed for the next 15 seconds, without changing speed, to reach a new altitude of 1500 meters above the ground.

What was the plane's angle of ascent during this time?

- math -
**kak**, Sunday, February 15, 2015 at 11:38am
0.37

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