The deck of a bridge is suspended 225 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by y = 225 − 16t2 a) Find the average velocity (in ft/s) of the pebble for the time period beginning when t = 3 and lasting the following amount of time. 0.1 seconds0.05 seconds0.01 seconds b) Estimate the instantaneous velocity (in ft/s) of the pebble after 3 seconds

Name: The deck of a bridge is suspended 225 feet above a river. If a pebble
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Description: The deck of a bridge is suspended 225 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by y = 225 − 16t2 a) Find the average velocity (in ft/s) of th

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The deck of a bridge is suspended 225 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble above the water surface after t seconds is given by

y = 225 − 16t²

^{a) Find the average velocity (in ft/s) of the pebble for the time period beginning when t = 3 and lasting the following amount of time.}

^{0.1 seconds}

^{0.05 seconds}

^{0.01 seconds}

^{b) Estimate the instantaneous velocity (in ft/s) of the pebble after 3 seconds}

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