In the case of a ball thrown up, at the highest point, the acceleration is 'g' ie., 9.8m/s2. Will it have positive or negative sign? Why?

Asked by somyap | 30th May, 2011, 12:00: AM

Expert Answer:

At the highest point the acceleration is in negative sign because it acts against the gravitational force of the Earth.

Answered by  | 30th May, 2011, 04:59: PM

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