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31 August, 11:24

A rocket's acceleration is 6.0 m/s 2. Assuming it starts at 0 m/s, how long will it take for the rocket to reach a velocity of 42 m/s?

250 s

0.14 s

7.0 s

290 s

+2
Answers (1)
  1. 31 August, 14:06
    0
    At=v-u, where u=0

    t = v/a=42/6 = 7

    Answer: 7 seconds
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