# An explosion causes debris to rise vertically with an initial speed of 88 feet per second. The formula h=-16t^2+88t describes the height of the debris above the ground, h, in feet, t seconds after the explosion. When will the debris be 40 feet above the ground?The debris will be 40 feet above the ground after____ seconds?

Question
Asked Sep 11, 2019
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An explosion causes debris to rise vertically with an initial speed of 88 feet per second. The formula h=-16t^2+88t describes the height of the debris above the ground, h, in feet, t seconds after the explosion. When will the debris be 40 feet above the ground?

The debris will be 40 feet above the ground after____ seconds?

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Step 1

Given,

Step 2

Substituting h = 40 feet in the given equatio...

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