nekitaHav1J1winnindl nekitaHav1J1winnindl
  • 08-05-2017
  • Physics
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A ball is dropped from a 100-m tall building. Neglecting air resistance, what will the speed of the ball be when it reaches the ground 4.5 seconds later?

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akaleti47
akaleti47 akaleti47
  • 08-05-2017
v=u+at=0+(9.8)(4.5)=44.1
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