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1) an airplane accelerates from rest on a runway at 5.50 m/s² for 20.25 s until it finally takes off the ground. what is the distance before take off?

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Bellalesseid
1.) 

Formula: d = at²

Solution:

d = at²
  = (5.50 m/s²)(20.25 s)²
  = (5.50 m/s²)(410.0625)
  = 2255.34375

The distance before its take off was 2260 m.

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