A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec under constant acceleration . Then find the velocity of the body after 7 sec.

A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec u

1.	A body covers 200 cm in the first 2 sec and 220 cm in the next 4 sec under constant acceleration . Then find the velocity of the body after 7 sec.
Answer» ANSWER :`10 cm//s`