Physics, 28.01.2020 01:31 blakemccain1928
The acceleration of a rocket traveling upward is given by a=(6+.02s)m/s^s, where s is in meters. determine the rocket's velocity when s=2km and the time needed to reach this altitude. initially, v=0 and s=0 when t=0
Answers: 2
![v = \frac{ds}{dt} \\\frac{ds}{v} = dt\\\int\limits^s_0 {\frac{ds}{\sqrt{12s+0.02s^{2} } } } \, ds = \int\limits^t_0 {} \, dt \\t= (5\sqrt{2} ) ln \frac{| [s + 300 + \sqrt{(s^{2} + 600s)} ] |}{300} .......2](/tpl/images/0474/3807/37390.png)
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The acceleration of a rocket traveling upward is given by a=(6+.02s)m/s^s, where s is in meters. det...
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