numerical

Asked by  | 19th Aug, 2008, 04:59: PM

Expert Answer:

Acceleration of the body,a=(v-u)/t=(4.2-1.8)/1.2=2 ms-2 

Speed chsnge in 2 seconds,v-u=at=2*2=4 ms-1

Answered by  | 19th Aug, 2008, 06:43: PM

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