Algebra Word Problem

Algebra
Tutor: None Selected Time limit: 1 Day

The distance d in feet a bomb falls in t seconds is given by d=16t^2/1+0.06t . How many seconds are required for a bomb released at 15,000 feet to reach its target? 

May 14th, 2015

16t^2/1+0.06t = 15000

16t^2 = 15000 + 900t

16t^2 - 900t - 15000 = 0

Use quadratic formula to solve:

t = 69.7 seconds

May 14th, 2015

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