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The Problem

The formula d=16t^2 is Galileo's formula for freely falling objects. The distance d in feet an object falls depends on the time elapsed t in seconds. Use Galileo's formula and complete the following table.

t in seconds: 2 and blank

d in feet: blank and 400

Answer provided by our tutors

t in seconds: 2 and 64.

d=16*2^2=64.

d in feet: 5  and 400

t^2=400/16.

t=20/4

=5sec.

 

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