a body travelling in straight line travels 2m in the first 2 seconds and 2.2m in the next four second with constant retardation. What will be its velocity at the end of seventh second from the start

Question

anonymous · Answer

2.5 seconds

anonymous · Answer

@varun1495 
can you explain how you arrived at the answer??

anonymous · Answer

that would be better than just stating the answer...

anonymous · Answer

hey I just arrived it with my approximate calculations so I have not mentioned the process..

anonymous · Answer

okay.....but i think not answering the question is better than writing an answer you got from estimating....

anonymous · Answer

hey we also should practically wen v dnt kno the exact way so I just tried in a practical assumption of the values if dat was a mistake please excuse me....