Final answer:
The question relates to temperature and relative humidity affecting comfort during physical activities. A general comfortable range for outdoor activity in shorts is 60°F to 80°F (15.6°C to 26.7°C). The specific temperature range for wearing shorts only during football practice can vary and should follow sports health guidelines.
Step-by-step explanation:
The student's question refers to the concepts of relative humidity and temperature, which are important in determining the amount of water vapor the air can hold. For the football team practicing outdoors, while the question doesn't specify an exact temperature range for practicing in shorts only, it implies concerns with comfort and safety related to weather conditions.
In general, suitable temperatures for outdoor activities in shorts could be anywhere from 60°F to 80°F (15.6°C to 26.7°C). This range provides a comfortable environment for physical activity without the risk of heat exhaustion but usually doesn't require additional layers of clothing like pants for warmth.
However, we need additional context or guidelines from sports health professionals or the specific team's protocol to provide a precise temperature range. The relative humidity of 50% at 9 am indicates moderate moisture in the air, which is not too dry or overly humid, hence it would not typically necessitate additional precautions or modify the suitable temperature range for wearing shorts.