Question
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1 During a hurricane, as much as 0.09 inch of rain can fall in 1 minute. Jamal claims that more than 2 inches of rain would fall in 8 minutes. Is Jamal's claim reasonable? Explain.

Ask by Pollard Newton. in the United States
Jan 23,2025

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Answer

Jamal's claim is not reasonable. At a maximum rainfall rate of 0.09 inches per minute, only about 0.72 inches of rain would fall in 8 minutes, which is less than the 2 inches he claims.

Solution

To determine whether Jamal's claim is reasonable, let's analyze the rainfall rate and the total expected precipitation over the specified time period. 1. **Given Rainfall Rate:** - **Maximum Rate:** 0.09 inches per minute 2. **Jamal's Claim:** - **Total Rainfall:** More than 2 inches in 8 minutes 3. **Calculating Expected Rainfall Over 8 Minutes:** \[ \text{Total Rainfall} = \text{Rainfall Rate} \times \text{Time} = 0.09 \, \text{inches/minute} \times 8 \, \text{minutes} = 0.72 \, \text{inches} \] 4. **Comparison:** - **Expected Rainfall:** 0.72 inches - **Jamal's Claim:** >2 inches 5. **Conclusion:** - **Reasonableness:** Jamal claims that more than 2 inches of rain would fall in 8 minutes. However, based on the maximum known rainfall rate of 0.09 inches per minute, the expected rainfall in 8 minutes is only 0.72 inches. - **Assessment:** Jamal's claim is **not reasonable** because it significantly exceeds the calculated maximum possible rainfall under the given conditions. **Final Answer:** No, Jamal's claim is unreasonable. At a maximum rate of 0.09 inches per minute, only about 0.72 inches of rain would fall in 8 minutes, which is less than the over 2 inches he asserts.

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The Deep Dive

To evaluate Jamal's claim, we can calculate how much rain could realistically accumulate in 8 minutes. If 0.09 inches fall in 1 minute, after 8 minutes, the total would be 0.09 inches/minute * 8 minutes = 0.72 inches. Since 0.72 inches is significantly less than 2 inches, Jamal's claim is not reasonable. In hurricane conditions, rainfall intensity can indeed be higher than what we calculated, but even in extreme scenarios, it's unlikely to exceed certain limits without verifying actual historical data. Most hurricanes tend to produce intense rainfall, but 2 inches in such a short time remains a stretch!

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