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
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
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