Speed of toss

Classical Mechanics Level pending

A ball is thrown leftward from the left edge of the roof, at height h above the ground. The ball hits the ground 2s later, at distance = 24m from the building.

What is the velocity at which the ball is thrown?

(-4 m/s)i + (6 m/s)j (-6 m/s)i + (4 m/s)j (-12 m/s)i + (8 m/s)j (-8 m/s)i + (12 m/s)j

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