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If a ball is thrown vertically upward with an initial velocity of 96 ft/s, then its height after t seconds is s = 96t - 16t2. (Consider up to be the positive direction.) (a) What is the maximum height (in ft) reached by the ball? ft (b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? ft/s What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down? ft/s

If a ball is thrown vertically upward with an initial velocity of 96 ft/s, then its height after t seconds is s = 96t - 16t2. (Consider up to be the positive direction.) (a) What is the maximum height (in ft) reached by the ball? ft (b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? ft/s What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down? ft/s

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.CT: Chapter Test
Problem 4CT
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If a ball is thrown vertically upward with an initial velocity of 96 ft/s, then its height after t seconds is s = (a) What is the maximum height (in ft) reached by the ball? ft (b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? ft/s What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down? ft/s 96t 16t2. (Consider up to be the positive direction.)
Transcribed Image Text:If a ball is thrown vertically upward with an initial velocity of 96 ft/s, then its height after t seconds is s = (a) What is the maximum height (in ft) reached by the ball? ft (b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? ft/s What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down? ft/s 96t 16t2. (Consider up to be the positive direction.)
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