A weather balloon rises at a constant rate. If it reaches 500 feet after 4 minutes, what is its rate of ascent?
Difficulty: Medium
About this MCQ
Medium ACT item. Correct choice: A. 125 feet per minute.
- A. 125 feet per minute ✓
- B. 100 feet per minute
Why not B: “100 feet per minute” is not 125 feet per minute.
- C. 150 feet per minute
Why not C: “150 feet per minute” is not 125 feet per minute.
- D. 200 feet per minute
Why not D: “200 feet per minute” is not 125 feet per minute.
Correct answer
A. 125 feet per minute
Explanation
125 feet per minute (option A) is the accepted answer to “A weather balloon rises at a constant rate. If it reaches 500 feet after 4 minutes, what is its rate of ascent”. Option B (100 feet per minute) is a different value from 125 feet per minute. Option C (150 feet per minute) is a different value from 125 feet per minute. Option D (200 feet per minute) is a different value from 125 feet per minute. Keep 125 feet per minute as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Science, Math, American Exams, ACT
Submitted by: MCQsHub Editorial
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