a car moving with certain velocity comes to a halt if the retardation was 5m/s2 , find the initial velocity of car ?
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acceleration is equal to final velocity minus initial velocity appointment time taken .
let the initial velocity be x
5m/s=0-x/2
x=5x2=10m/s
let the initial velocity be x
5m/s=0-x/2
x=5x2=10m/s
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