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? b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down?
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? b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up? What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down?
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 = 96t − 16t2. (Consider up to be the positive direction.)
a) What is the maximum height (in ft) reached by the ball?
b) What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way up?
What is the velocity (in ft/s) of the ball when it is 128 ft above the ground on its way down?
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