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Mathematics, 30.04.2021 17:30 nothingworksoutforme

4. A rocket is launched with an initial vertical velocity of 110m/sec. The height of the rocket in meters is approximated by the quadratic equation h = -5t2 + 110t where t is the time after the launch
in seconds.
About how long does it take (in seconds) for the rocket to return to the ground? (Hint; Draw a
picture of the parabolic flight of the rocket and solve for the zeros of the given quadratic equation.)

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4. A rocket is launched with an initial vertical velocity of 110m/sec. The height of the rocket in...
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