A body travels 200 cm in the first two seconds and 220 cm in the next 4 seconds with deceleration. The velocity of the body at the end of the 7th second is

A body travels 200 cm in the first two seconds and 220 cm in the next

1.	A body travels 200 cm in the first two seconds and 220 cm in the next 4 seconds with deceleration. The velocity of the body at the end of the 7th second is
A.	20 cm/s
B.	15 cm/s
C.	10 cm/s
D.	0 cm/s
Answer» E.

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A body travels 200 cm in the first two seconds and 220 cm in the next 4 seconds with deceleration. The velocity of the body at the end of the 7th second is

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