A ball is thrown downward with a speed of 14 ft/s from the top of a 196-foot-tall building. After t seconds, its height above the ground is given by s(t) -28t2-14t + 196. (a) Determine how long it takes for the ball to hit the ground. sec (b) Determine the velocity of the ball when it hits the ground. ft/sec

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
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Chapter2: Functions And Their Graphs
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culus I
My courses / MATH1200 / Current Activity / Self Study Activity Semester 2, AY 2021-2022
A ball is thrown downward with a speed of 14 ft/s from the top of a 196-foot-tall building. After t seconds,
its height above the ground is given by s(t) = -28t - 14t + 196.
(a) Determine how long it takes for the ball to hit the ground.
sec
(b) Determine the velocity of the ball when it hits the ground.
ft/sec
Finish attempt
ge
Deliverv Plan-
the gap between PM and
Jump to...
ere to search
Transcribed Image Text:culus I My courses / MATH1200 / Current Activity / Self Study Activity Semester 2, AY 2021-2022 A ball is thrown downward with a speed of 14 ft/s from the top of a 196-foot-tall building. After t seconds, its height above the ground is given by s(t) = -28t - 14t + 196. (a) Determine how long it takes for the ball to hit the ground. sec (b) Determine the velocity of the ball when it hits the ground. ft/sec Finish attempt ge Deliverv Plan- the gap between PM and Jump to... ere to search
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