Discover new knowledge and insights with IDNLearn.com's extensive Q&A database. Ask your questions and receive detailed and reliable answers from our experienced and knowledgeable community members.
Sagot :
Sure, let's go through the step-by-step process for determining each entry in the table given the measured distances and other provided information.
### Step 1: Measured Distance Across Anomalies (in cm)
The first step is to identify the measured distances across the anomalies from the map:
- Anomaly I: 1.25 cm
- Anomaly II: 1.50 cm
- Anomaly III: 1.75 cm
- Anomaly IV: 2.25 cm
These values are directly given in the problem.
### Step 2: Scale Conversion Distance Across Anomalies (in km)
The scale conversion distance for each anomaly is:
- 312.5 km
This means that each centimeter measured on the map corresponds to a real-world distance of 312.5 kilometers.
### Step 3: Scale Distance Across Anomalies Converted to cm
To understand the actual distance in centimeters, we multiply the scale conversion distance by 100,000 (since 1 km = 100,000 cm), which results in:
- [tex]\( 312.5 \text{ km} \times 100,000 \text{ cm/km} = 31,250,000 \text{ cm} \)[/tex]
Thus:
- For Anomaly I: 31,250,000 cm
- Similarly, for all other anomalies: 31,250,000 cm
### Step 4: Total Years of Anomalies
The total number of years each anomaly has been present is given as:
- 5,000,000 years
This value is constant across all anomalies.
### Step 5: Average Seafloor Spreading Rate (in cm/yr)
The average seafloor spreading rate can be found by dividing the scale distance (converted into cm) by the total years of anomaly. The formula is:
[tex]\[ \text{Average Seafloor Spreading Rate} = \frac{\text{Scale Distance} \text{ (cm)}}{\text{Total Years}} \][/tex]
Using the numbers:
[tex]\[ \text{Average Seafloor Spreading Rate} = \frac{31,250,000 \text{ cm}}{5,000,000 \text{ years}} = 6.25 \text{ cm/year} \][/tex]
For each anomaly, the average seafloor spreading rate is:
- 6.25 cm/year
### Summary
Here's the filled-in table based on the above calculations:
[tex]\[ \begin{array}{|c|c|c|c|c|} \hline \text{Pacific-Nazca Plates} (Use\ \text{line B}) & \text{Anomaly I} & \text{Anomaly II} & \text{Anomaly III} & \text{Anomaly IV} \\ \hline \text{Measured the distance across anomaly on the map (cm)} & 1.25\ \text{cm} & 1.50\ \text{cm} & 1.75\ \text{cm} & 2.25\ \text{cm} \\ \hline \text{Scale conversion distance across the anomaly (km)} & 312.5\ \text{km} & 312.5\ \text{km} & 312.5\ \text{km} & 312.5\ \text{km} \\ \hline \text{Scale distance across the anomaly converted to cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} \\ \hline \text{Total years of Anomaly} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} \\ \hline \text{Average Seafloor Spreading Rate (cm/yr) of Anomaly} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} \\ \hline \end{array} \][/tex]
And with this, we have a complete and detailed solution for the given question.
### Step 1: Measured Distance Across Anomalies (in cm)
The first step is to identify the measured distances across the anomalies from the map:
- Anomaly I: 1.25 cm
- Anomaly II: 1.50 cm
- Anomaly III: 1.75 cm
- Anomaly IV: 2.25 cm
These values are directly given in the problem.
### Step 2: Scale Conversion Distance Across Anomalies (in km)
The scale conversion distance for each anomaly is:
- 312.5 km
This means that each centimeter measured on the map corresponds to a real-world distance of 312.5 kilometers.
### Step 3: Scale Distance Across Anomalies Converted to cm
To understand the actual distance in centimeters, we multiply the scale conversion distance by 100,000 (since 1 km = 100,000 cm), which results in:
- [tex]\( 312.5 \text{ km} \times 100,000 \text{ cm/km} = 31,250,000 \text{ cm} \)[/tex]
Thus:
- For Anomaly I: 31,250,000 cm
- Similarly, for all other anomalies: 31,250,000 cm
### Step 4: Total Years of Anomalies
The total number of years each anomaly has been present is given as:
- 5,000,000 years
This value is constant across all anomalies.
### Step 5: Average Seafloor Spreading Rate (in cm/yr)
The average seafloor spreading rate can be found by dividing the scale distance (converted into cm) by the total years of anomaly. The formula is:
[tex]\[ \text{Average Seafloor Spreading Rate} = \frac{\text{Scale Distance} \text{ (cm)}}{\text{Total Years}} \][/tex]
Using the numbers:
[tex]\[ \text{Average Seafloor Spreading Rate} = \frac{31,250,000 \text{ cm}}{5,000,000 \text{ years}} = 6.25 \text{ cm/year} \][/tex]
For each anomaly, the average seafloor spreading rate is:
- 6.25 cm/year
### Summary
Here's the filled-in table based on the above calculations:
[tex]\[ \begin{array}{|c|c|c|c|c|} \hline \text{Pacific-Nazca Plates} (Use\ \text{line B}) & \text{Anomaly I} & \text{Anomaly II} & \text{Anomaly III} & \text{Anomaly IV} \\ \hline \text{Measured the distance across anomaly on the map (cm)} & 1.25\ \text{cm} & 1.50\ \text{cm} & 1.75\ \text{cm} & 2.25\ \text{cm} \\ \hline \text{Scale conversion distance across the anomaly (km)} & 312.5\ \text{km} & 312.5\ \text{km} & 312.5\ \text{km} & 312.5\ \text{km} \\ \hline \text{Scale distance across the anomaly converted to cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} & 31,250,000\ \text{cm} \\ \hline \text{Total years of Anomaly} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} & 5,000,000\ \text{yrs} \\ \hline \text{Average Seafloor Spreading Rate (cm/yr) of Anomaly} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} & 6.25\ \text{cm/yr} \\ \hline \end{array} \][/tex]
And with this, we have a complete and detailed solution for the given question.
Your participation means a lot to us. Keep sharing information and solutions. This community grows thanks to the amazing contributions from members like you. Trust IDNLearn.com for all your queries. We appreciate your visit and hope to assist you again soon.