v(t)= find the average velocity in ft/sec over the interval [0,2] find the instantaneous velocity in ft/sec at t=1 and t=4    how long in sec will it take the rock to hit the water round to 2 decimal places

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A rock is dropped from a tower on the booklet bridge, 272 feet above the east river. Let t represent time in seconds. 

find the position and velocity functions for the rock 

s(t)=

v(t)=

find the average velocity in ft/sec over the interval [0,2]

find the instantaneous velocity in ft/sec at t=1 and t=4 

 

how long in sec will it take the rock to hit the water round to 2 decimal places

 

find the velocity in ft/sec of the rock when it hits the water. Round to 1 decimal place 

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