rentioal motiona trooper hidden behind a billboard, as in next figure. One seeafter the speeding car passes the billboard, the trooper sets ochase with a constant acceleration of 3.00 m/s. (a) How longit take the trooper to overtake the speeding car? (b) How fast istrooper going at that time?SOLUTION(a) How long docs it take the trooper to overtake the car?Write the equation for the car's displacement:24.0 m, ", = 24.0 m/s, and aa = 0. Solvefor x.*carWrite the equation for the trooper's position, taking* = 0, 7, = 0, and arooper = 9.00 m/s*:Set *rooperquadratic formula appears in Appendix A, Equation A.8.)Only the positive root is meaningful.= xar and salve the quadratic equation. (The(b) Find the trooper's speed at that time.

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Science

Physics

ooper to overtake the speec

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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Question

rentioal motion
a trooper hidden behind a billboard, as in next figure. One see
after the speeding car passes the billboard, the trooper sets o
chase with a constant acceleration of 3.00 m/s. (a) How long
it take the trooper to overtake the speeding car? (b) How fast is
trooper going at that time?
SOLUTION
(a) How long docs it take the trooper to overtake the car?
Write the equation for the car's displacement:
24.0 m, ", = 24.0 m/s, and aa = 0. Solve
for x.
*car
Write the equation for the trooper's position, taking
* = 0, 7, = 0, and arooper = 9.00 m/s*:
Set *rooper
quadratic formula appears in Appendix A, Equation A.8.)
Only the positive root is meaningful.
= xar and salve the quadratic equation. (The
(b) Find the trooper's speed at that time.

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