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You are arguing over a cell phone while trailing an unmarked police car by 26.0 m....

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Physics

You are arguing over a cell phone while trailing an unmarkedpolice car by 26.0 m. Both your car and the police car aretraveling at 102 km/h. Your argument diverts your attention fromthe police car for 2.50 s (long enough for you to look at the phoneand yell, \"I won't do that!\"). At the beginning of that 2.50 s, thepolice officer begins emergency braking at 5.00m/s2.

(a) What is the separation between the two cars when yourattention finally returns?
m

(b) Suppose that you take another 0.400 s to realize your dangerand begin braking. If you too brake at 5.00 m/s2, whatis your speed when you hit the police car?
  km/h

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