1.

A particle starts from rest, accelerates at 2 m/s2 for 10s and then goes for constant speed for 30s and then decelerates at 4 m/s2 till it stops. What is the distance travelled by it                             [DCE 2001; AIIMS 2002; DCE 2003]

A.             750 m
B.             800 m
C.             700 m
D.                      850 m
Answer» B.             800 m


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