C2. A dynamite blast blows a heavy rock straight up in the air with a launch velocity of 192 feet/sec. It reaches a height of s = 1921 – 161 feet after t seconds. (a) How high does the rock go? (b) What are the velocity and speed of the rock when it is 512 feet above the ground on the way up? On the way down? (c) How long is the rock aloft?
C2. A dynamite blast blows a heavy rock straight up in the air with a launch velocity of 192 feet/sec. It reaches a height of s = 1921 – 161 feet after t seconds. (a) How high does the rock go? (b) What are the velocity and speed of the rock when it is 512 feet above the ground on the way up? On the way down? (c) How long is the rock aloft?
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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Transcribed Image Text:C2. A dynamite blast blows a heavy rock straight up in the air with a launch velocity of 192
feet/sec. It reaches a height of s = 192t – 161² feet after t seconds.
(a) How high does the rock go?
(b) What are the velocity and speed of the rock when it is 512 feet above the ground on
the way up? On the way down?
(c) How long is the rock aloft?
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