How long does it take the javelin to fly the distance of 2000 meters?

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Study for the USMC MOS 0352 Anti-Tank Missileman Test. Prepare with flashcards and multiple-choice questions, each with hints and explanations. Get ready for a successful career!

Multiple Choice

How long does it take the javelin to fly the distance of 2000 meters?

Explanation:
Time to cover a distance at constant speed is found by dividing the distance by the speed. If the javelin travels 2000 meters in 14 seconds, its average speed is 2000 ÷ 14 ≈ 143 m/s. Using t = d/v with v ≈ 143 m/s gives t ≈ 2000 ÷ 143 ≈ 14 seconds, which matches the given duration. The other times would require different speeds: about 71 m/s for 28 seconds, about 200 m/s for 10 seconds, or about 111 m/s for 18 seconds. So 14 seconds is the time that corresponds to the distance and the assumed speed in this calculation.

Time to cover a distance at constant speed is found by dividing the distance by the speed. If the javelin travels 2000 meters in 14 seconds, its average speed is 2000 ÷ 14 ≈ 143 m/s. Using t = d/v with v ≈ 143 m/s gives t ≈ 2000 ÷ 143 ≈ 14 seconds, which matches the given duration. The other times would require different speeds: about 71 m/s for 28 seconds, about 200 m/s for 10 seconds, or about 111 m/s for 18 seconds. So 14 seconds is the time that corresponds to the distance and the assumed speed in this calculation.

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