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Alex_Xolod [135]
3 years ago
7

An object is dropped from the top of a tall building. The height S of the object after t seconds I’d given by the equation S = -

16t^2+324. Find how many seconds pass before the object hits the ground.
Mathematics
1 answer:
Sladkaya [172]3 years ago
5 0

Answer:

Step-by-step explanation:

   0 = -16t² + 324

16t² = 324

  t²  = 20.25

    t = 4.5 s

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