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A motorcycle officer hidden at an intersection observes a car driven by an oblivious driver who...

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Physics

A motorcycle officer hidden at an intersection observes a cardriven by an oblivious driver who ignores a stop sign and continuesthrough the intersection at constant speed. The police officertakes off in pursuit 2.0 s after the car has passed the stop sign.She accelerates at 4.2 m/s^2 until her speed is 110 km/h, and thencontinues at this speed until she catches the car. At thatinstant,the car is 1.4km from the intersection. (a) How long did ittake for the officer to catch up to the car? (b) How fast was thecar traveling? (Ans:52 s, 98 km/h). Explain in detail how tosolve.

Answer & Explanation Solved by verified expert
3.7 Ratings (420 Votes)
Let be the time taken by the officer to catch the car after the carhas passed the stop signGiven that when the officer catches the car it had traveled adistance of    See Answer
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