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If an arrow is shot upward on Mars with a speed of 66 m/s, its height in meters t seconds later is given by  y = 66t − 1.86t2.  (Round your answers to two decimal places.) (a) Find the average speed over the given time intervals. (i)    [1, 2]   m/s (ii)    [1, 1.5]   m/s (iii)    [1, 1.1]   m/s (iv)    [1, 1.01]   m/s

If an arrow is shot upward on Mars with a speed of 66 m/s, its height in meters t seconds later is given by  y = 66t − 1.86t2.  (Round your answers to two decimal places.) (a) Find the average speed over the given time intervals. (i)    [1, 2]   m/s (ii)    [1, 1.5]   m/s (iii)    [1, 1.1]   m/s (iv)    [1, 1.01]   m/s

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter1: Getting Started
Section: Chapter Questions
Problem 5PQ
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If an arrow is shot upward on Mars with a speed of 66 m/s, its height in meters t seconds later is given by 

y = 66t − 1.86t2.

 (Round your answers to two decimal places.)

(a) Find the average speed over the given time intervals.
(i)    [1, 2]
  m/s

(ii)    [1, 1.5]
  m/s

(iii)    [1, 1.1]
  m/s

(iv)    [1, 1.01]
  m/s

(v)    [1, 1.001]
  m/s


(b) Estimate the speed when t = 1.
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