physics energy and motion

Driving home from school one day you spot a ball rolling out into the street. You brake for 1.25 s, slowing your 1000 kg car from 16.0 m/s to 9.50 m/s. (a) What was the average force exerted on your car during braking?

Magnitude (kN ) 

(b) How far did you travel while braking? 

 
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