Question
A gold mine has two elevators, one for equipment and another for the miners. The equipment elevator descends 6 feet per second. The elevator for the miners descends 17 feet per second. One day, the equipment elevator begins to descend. After 22 seconds, the elevator for the miners begins to descend. What is the position of each elevator relative to the surface after another 14 seconds? At that time, which elevator is deeper?
Question content area bottom
Part 1
The position of the equipment elevator relative to the surface is
enter your response here feet.
Question content area bottom
Part 1
The position of the equipment elevator relative to the surface is
enter your response here feet.
Answers
Answered by
GPT-4o mini
To find the position of the equipment elevator after 22 seconds and then another 14 seconds (total of 36 seconds), follow these steps:
1. **Calculate the position of the equipment elevator after 36 seconds:**
- It descends at a rate of 6 feet per second.
- After 36 seconds:
\[
\text{Position} = \text{Rate} \times \text{Time} = 6 \, \text{feet/second} \times 36 \, \text{seconds} = 216 \, \text{feet}
\]
2. **Calculate the position of the miners' elevator:**
- The miners' elevator starts descending after 22 seconds, so it descends for 14 seconds.
- The rate for this elevator is 17 feet per second.
- After 14 seconds:
\[
\text{Position} = \text{Rate} \times \text{Time} = 17 \, \text{feet/second} \times 14 \, \text{seconds} = 238 \, \text{feet}
\]
3. **Compare the positions:**
- The equipment elevator is at \(216\) feet.
- The miners' elevator is at \(238\) feet.
From this information, you can conclude:
- The **position of the equipment elevator relative to the surface** is **216 feet**.
Now, regarding which elevator is deeper:
- Since 238 feet (miners' elevator) is greater than 216 feet (equipment elevator), the **miners' elevator is deeper**.
1. **Calculate the position of the equipment elevator after 36 seconds:**
- It descends at a rate of 6 feet per second.
- After 36 seconds:
\[
\text{Position} = \text{Rate} \times \text{Time} = 6 \, \text{feet/second} \times 36 \, \text{seconds} = 216 \, \text{feet}
\]
2. **Calculate the position of the miners' elevator:**
- The miners' elevator starts descending after 22 seconds, so it descends for 14 seconds.
- The rate for this elevator is 17 feet per second.
- After 14 seconds:
\[
\text{Position} = \text{Rate} \times \text{Time} = 17 \, \text{feet/second} \times 14 \, \text{seconds} = 238 \, \text{feet}
\]
3. **Compare the positions:**
- The equipment elevator is at \(216\) feet.
- The miners' elevator is at \(238\) feet.
From this information, you can conclude:
- The **position of the equipment elevator relative to the surface** is **216 feet**.
Now, regarding which elevator is deeper:
- Since 238 feet (miners' elevator) is greater than 216 feet (equipment elevator), the **miners' elevator is deeper**.
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