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  • 25-11-2022
  • Physics
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If a stone is thrown vertically upward from the surface of the moon with a velocity of 13 m/s, its height (in meters) after t seconds is h = 13t − 0.83t2.
(Round your answers to two decimal places.)
(a) What is the velocity of the stone after 7 s?
(b) What is the velocity of the stone after it has risen 33 m?

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