" A ball thrown vertically upwards with an inital velocity of "1.4m/s" returns in "2s" .The total displacement of the ball is "

A ball thrown vertically upwards with an initial velocity of 1.4 m/s returns in 2s. The total dispalcement of the ball is

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is

A ball thrown vertically upwards with an initial velocity of 1.4 m//s. The total displcement of the ball is

A ball is thrown vertically upwards with a certain velocity. Then

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the total time it takes to return to the surface of the earth.

A ball is thrown vertically upwards with a velocity of 49 ms^-1 . Calculate :The total time it takes to return to the surface of earth.

A ball is thrown vertically upwards with a velocity of 49 ms^-1 . Calculate :The total time it takes to return to the surface of earth.