Question

In: Physics

An unmarked police car traveling a constant 85 km/h is passed by a speeder traveling 139...

An unmarked police car traveling a constant 85 km/h is passed by a speeder traveling 139 km/h . Precisely 1.00 s after the speeder passes, the police officer steps on the accelerator; if the police car's acceleration is 2.40 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)?

Expert Solution

Speed of police car

Speed of the speeder

For the time , the speeder travels a distance

In this time , the police man travels a distance

After traveling distance police man car's acceleration is for a time to catch speeder.

In this time the speeder travels a distance

Total distance traveled by police man

Total distance traveled by speeder is

The above distances must be equal, so

Total time taken is

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genius_generous answered 6 months ago

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