The speed of a bullet as it travels down the barrel of a rifle toward the opening is given by v 5 (25.00 3 107)t 2 1 (3.00 3 105)t where v is in meters per second and t is in seconds. The acceleration of the bullet just as it leaves the barrel is zero. (a) Determine the acceleration and position of the bullet as functions of time when the bullet is in the barrel. (b) Determine the time interval over which the bullet is accelerated. (c) Find the speed at which the bullet leaves the barrel. (d) What is the length of the barrel?

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 speed of a bullet as it travels down the barrel of a
rifle toward the opening is given by
v 5 (25.00 3 107)t 2 1 (3.00 3 105)t
where v is in meters per second and t is in seconds.
The acceleration of the bullet just as it leaves the
barrel is zero. (a) Determine the acceleration and
position of the bullet as functions of time when the
bullet is in the barrel. (b) Determine the time interval over which the bullet is accelerated. (c) Find the
speed at which the bullet leaves the barrel. (d) What
is the length of the barrel?

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