2 minutes
To calculate the time it takes for a hot air balloon to descend from 1200 feet to 100 feet, we need to consider several factors. These include the rate of descent, wind conditions, and any other variables that may affect the balloon's movement.
The rate of descent for a hot air balloon can vary depending on its size, weight, and the amount of heat being released. On average, a hot air balloon descends at a rate of around 500-700 feet per minute. However, this rate can be influenced by wind conditions.
Wind plays a significant role in the movement of hot air balloons. If there is no wind or if the wind is blowing in the same direction as the balloon's descent, it will have little effect on the rate of descent. However, if there is a headwind (wind blowing against the direction of descent), it can slow down the balloon's descent rate. Conversely, if there is a tailwind (wind blowing in the same direction as descent), it can increase the descent rate.
Assuming no significant wind or other factors affecting the descent rate, we can estimate that it would take approximately 2 minutes for a hot air balloon to descend from 1200 feet to 100 feet at an average descent rate of 600 feet per minute.