answer the following question-

Asked by  | 21st May, 2012, 01:07: AM

Expert Answer:

positive accelaration eg=acceleration of any freely falling bodies and it is taken as 9.8 m/s2
negative accelaration eg= a car  which has applied brake , any thing thrown upwards will have acceleration of -9.8 m/s2.

Answered by  | 21st May, 2012, 09:51: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.