we're given that v₀ = 0 and a = 5.4 m/s². therefore, since v = at + v₀ for constant acceleration the equation for velocity is
after 28s,
m/s
which i would round to 150 m/s as my final answer
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answer(20) psi;
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Answer(b) 60 miles per hour;
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Answer (d) the universe had cooled enough for atoms to combine, protons and neutrons were too far apart to form nuclei;
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