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You are arguing over a cell phone while trailing an unmarked police car by 25.0 m;...

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Physics

You are arguing over a cell phone while trailing an unmarkedpolice car by 25.0 m; both your car and the police car aretraveling at 110 km/h. Your argument diverts your attention fromthe police car for 2.0 s (long enough for you to look at the phoneand yell,“I won't do that!”). At the beginning of that 2.0 s, thepolice officer begins braking suddenly at 5.20 m/s2.(a) What is the separation between the two carswhen your attention finally returns? Suppose that you take another0.400 s to realize your danger and begin braking.(b) If you too brake at 5.20 m/s2, whatis your speed when you hit the police car?

Answer & Explanation Solved by verified expert
3.7 Ratings (500 Votes)
alnitial distance bw both cars 25 minitial speed of both the cars vy vp 110 kmh 3055mswhere vy speed of your carvp speed of police carFor police    See Answer
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