While calculating the vertical component of velocity in a projectile at a given instant, what would be the sign of g(acceleration due to gravity)? Is it negative in the first half of the projectile and positive in the next half???? I guess it must be because the gradual decrease and later increase in the velocity of the projectile............

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SAGAR SINGH - IIT DELHI · Answer

Dear priyanka,

The sign of g is taken as negative...

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