When the body is moving upwards under the influence of gravity, the acceleration due to gravity is taken as [[1]].

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Detailed Solution

When the body is moving upwards under the influence of gravity, the acceleration due to gravity is taken as negative.
Acceleration due to gravity

g

is taken as negative when a body is thrown vertically upwards, i.e.,

g

is taken as

- 9.8 m / s^{2}

. The acceleration is taken as negative because it works in the opposite direction(downward) of the movement of the object(upward). Thus decreases the upward velocity of the object. The acceleration due to gravity is the same everywhere.

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