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21 December, 16:42

What must be the initial velocity of a rocket that accelerates for 10.2 seconds at 5.31 m/s2 and covers 3912 m?

A. 276 m

B. 356 m/s

C. 107 m/s

D. 384 m/s

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Answers (1)
  1. 21 December, 16:51
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    Answer: B

    Explanation: 3912=10.2v + 1/2 (5.31) (10.2) ^2 - > v≈ 356.45 (B)
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