Assuming no air resistance or forces other than the Earth's gravity, the height above the ground at time t (in seconds) of a falling object is given by s(t)= - 4.9t2 + vot + so, where s is in meters, m Vo is the object's initial velocity (in), and so is the initial height of the object (in m). 8 Enter all answers (including endpoints of intervals) rounded to one decimal place. a) In the context of the problem, what does <0 mean? Select an answer b) What is the applied domain of s(t) = -4.9t2 + 26.4t + 49? (in interval notation) c) Now suppose the object is propelled upwards from the ground so=0 with an intitial velocity of m 52 1) What is the object's maximum height above the ground? 8 2) When does the object hit the ground? Select an answer O d) Further suppose the object is propelled upwards from so = 49 m above the ground with an intitial velocity of 52. When does the object hit the ground? m Select an answer O 8 Submit Question

Assuming no air resistance or forces other than the Earth's gravity, the height above the ground at time t (in seconds) of a falling object is given by s(t)= - 4.9t2 + vot + so, where s is in meters, m Vo is the object's initial velocity (in), and so is the initial height of the object (in m). 8 Enter all answers (including endpoints of intervals) rounded to one decimal place. a) In the context of the problem, what does <0 mean? Select an answer b) What is the applied domain of s(t) = -4.9t2 + 26.4t + 49? (in interval notation) c) Now suppose the object is propelled upwards from the ground so=0 with an intitial velocity of m 52 1) What is the object's maximum height above the ground? 8 2) When does the object hit the ground? Select an answer O d) Further suppose the object is propelled upwards from so = 49 m above the ground with an intitial velocity of 52. When does the object hit the ground? m Select an answer O 8 Submit Question

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter10: Quadratic Equations

Section10.4: Solve Applications Modeled By Quadratic Equations

Problem 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...

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