The height (feet) of a ball launched in the air t seconds after it is launched is given by: f(t) = -161² +397t+19. KIE After how many seconds is the ball falling at 130 feet per second?s sec. If necessary, round to two decimal places. If there is more than one correct answer, separate them with commas,
The height (feet) of a ball launched in the air t seconds after it is launched is given by: f(t) = -161² +397t+19. KIE After how many seconds is the ball falling at 130 feet per second?s sec. If necessary, round to two decimal places. If there is more than one correct answer, separate them with commas,
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter23: Basic Calculations Of Percentages, Percents, And Rates
Section: Chapter Questions
Problem 5A: The length, L, of the standard 82° included angle drill can be calculated using the formula L=0.575...
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