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What is the runway designation for an orientation facing directly north?
a) Runway 0
b) Runway 9
c) Runway 18
d) Runway 27

Answer :

Final answer:

The runway designation for an orientation facing directly north is Runway 36. Additionally, a projectile's range is zero at 90° or 0°, and the optimal launch angle for maximum range on level ground is 45°.

Explanation:

The orientation facing directly north on a runway is designated as Runway 36. Runway designations are determined by rounding the magnetic azimuth (compass direction) that the runway is facing divided by 10. Therefore, facing directly north, which is a 360-degree azimuth, divided by 10, gives us runway 36.

Complementing the main question, for what angle of a projectile is its range equal to zero? The answer is c. 90° or 0°. At 90°, the projectile is shot straight up, while at 0°, it is shot directly along the ground; in both cases, there is no horizontal range.

Regarding the GRASP CHECK question, if a projectile is launched on level ground, what launch angle maximizes the range of the projectile? The answer is c. 45°. The optimal angle for maximum range under standard conditions on a level surface is 45 degrees, as both the horizontal and vertical components of the initial velocity contribute equally to the distance covered.

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