I need help with a physics question...?

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boytwin14ogo

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A car is going 98 km/h
He sees a barrier 40 meters ahead
It takes the driver .75 seconds to apply the brakes
the average acceleration while braking is -10 m/s^2

What is the max speed the car could go and not hit the barrier assuming that the acceleration stays the same??

I'm pretty confused so any help is appreciated! Thanks!
 
2006 f350

my 2006 ford f350 keeps losing power and blowing blue smoke. I have already replaced 2 injectors and the erg valve.
 
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