how long would it take an object to fall freely from 1525ft

the formula s=16t^2 is used to approximate the distance s in feet. hight is 1525ft

a about 95.3

b about 47.7

c aboput 9.8

d about 156.2
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1 Answer

assume gravity konstant at 32.2 ft/sek^2, then speed=16.1*time...ft/sek

distant=integral av speed=(16.1)t^2...=1525 ft

1525/16.1=94.4720=t^2

time=sqrt(94.472)=9.7324 seks
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