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+//Distance covered
+//refer fig.12.9
+//Let the particle start from A and come to halt at E
+//Let initial velocity be u m/sec
+//consider motion between A and B
+//u+a=10
+//consider motion between A and C
+//70=7*u+7*a
+//solving
+a=-10/17.5  //m/sec^2
+u=10-(a)  //m/sec
+//Let distance AD be s1
+s1=10.571*10+(-0.571*10^2)/2  //m
+//Distance covered in the interval 7 sec to 10 sec
+CD=77.16-60  //m
+//Let AE=s
+s=(10.571^2)/(2*0.571)  //m
+printf("\nCD=%.2f m\ns=%.2f m",CD,s)
+