Asked by Ty
A speeder passes a police car while traveling 130km/h. the police car imediently starts to accelerate at 10m/s^2 until the police car catches up to the speeder. how long does it take the police car to catch up?
Answers
Answered by
drwls
First, convert the speed to m/s
Vcar = 130 km/h = 36.11 m/s
Solve for t:
36.11*t = (a/2) t^2 = 5 t^2
where a is the acceleration rate of the poice car.
Ignore the t=0 solution. Take the other one.
Vcar = 130 km/h = 36.11 m/s
Solve for t:
36.11*t = (a/2) t^2 = 5 t^2
where a is the acceleration rate of the poice car.
Ignore the t=0 solution. Take the other one.
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