If a ball is thrown vertically upward with a velocity of 96 ft/s, then its height after t seconds is s = 96t − 16t2.What is the velocity of the ball when it is 128 ft above the ground on its way up, and when it is 128 ft above the ground on its way down?

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Math

Calculus

when

Intermediate Algebra

19th Edition

ISBN:9780998625720

Author:Lynn Marecek

Publisher:Lynn Marecek

Chapter9: Quadratic Equations And Functions

Section9.5: Solve Applications Of Quadratic Equations

Problem 9.78TI: A man throws a ball into the air with a velocity of 96 ft/s. Use the formula h=16t2+v0t to determine...

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Question

If a ball is thrown vertically upward with a velocity of 96 ft/s, then its height after t seconds is s = 96t − 16t².

What is the velocity of the ball when it is 128 ft above the ground on its way up, and when it is 128 ft above the ground on its way down?

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