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
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
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 10P: An object moves along the x axis according to the equation x = 3.00t2 2.00t + 3.00, where x is in...
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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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