Respuesta :
The temperature of the airplane when it reaches an altitude of 4000 feets will be 49.5°F
- Temperature on ground = initial temperature = 54.7°F
- Rate of change in temperature per thousand feet = -1.3°F
- Altitude or height climbed by airplane = 4000 feets
The total change in temperature can be calculated thus :
- (Altitude × rate of change)
- (4000 / 1000) × 1.3
- 4 × 1.3 = 5.2°F
The temperature when the plane reaches 4000 feets will be :
- Initial temperature - change in Temperature
- 54.7°F - 5.2°F = 49.5°F
Therefore, the temperature will be 49.5°F
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