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An unmarked police car traveling a constant 85 km/h is passed by a speeder traveling 136...

An unmarked police car traveling a constant 85 km/h is passed by a speeder traveling 136 km/h .

Precisely 1.00 s after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 2.30 m/s2 , how much time passes after the police car is passed by a speeder and before the police car overtakes the speeder (assumed moving at constant speed)?

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Answer #1

Define the origin to be the location where the speeder passes the police car. Start a timer at the instant that the speeder passes the police car,and find another time that both cars have the same displacement from the origin.

for the speedery, taveling woith aoustont peed 3-6 km/ AXP 23-61m The scond part c the pole cment is thok duying the accelerated mofio,cohth (as tos (t-1.0o s. 5o, the toteul peliee car dis plocememt Ts (23-61 + 23,61(-11+1-154-i)m klow etthe tioo displacemen egual 士=11.4. Ry28s/ o.oto2 s to the bact thut both vehicer hod the. Sama displacement 2e to uohen 乜tine coy itlo

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