PSAT Math Practice Test 2025 Question (Use Calculator)

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A proton fired through medium B travels at half the velocity of a proton fired through medium A. If the proton in medium A travels 100,000 meters in 5 milliseconds, what is the velocity of the proton in medium B ?

10,000 meters per millisecond 33.37 66,000 square kilometers y= \frac{1} {2}x - \frac{7} {2}

Correct Answer:

10,000 meters per millisecond

Explanation:

Correct answer: 10,000 meters per millisecond

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