embaldus embaldus
  • 03-09-2017
  • Mathematics
contestada


free-falling body: h = -15t + 1/2at^2 + 5 (Solve for a)

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barnuts
barnuts barnuts
  • 14-09-2017

When a body is said to be in a state of free fall, therefore this means that the only force associated with it is gravity. Gravity imposes an acceleration of about 9.81 m/s^2. Therefore we do not need to calculate for a, since a = g. (g = acceleration due to gravity)

 

a = 9.81 m/s^2

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