Solved: In Exercises 85 88, you will need the followingformula for the height h of an
Chapter 2, Problem 88(choose chapter or problem)
In Exercises 85 88, you will need the followingformula for the height h of an object above the groundat time t seconds, where denotes initial velocity anddenotes initial height.A ball is thrown straight up from a 40-foot-hightower with an initial velocity of 56 feet persecond.a. During what time interval is the ball at least 8feet above the ground?b. During what time interval is the ball between53 feet and 80 feet above the ground?h 16t 2 v0 h0 t h0
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