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A hockey puck slides off the edge of a horizontal platform with an initial velocity of 20 m/s horizontally and experiences no significant air

A hockey puck slides off the edge of a horizontal platform with an initial velocity of 20 m/s horizontally and experiences no significant air resistance. The height of the platform above the ground is 2.0 m, What is the magnitude of the vertical component of the velocity of the puck just before it hits the ground? O 21 m/s O 13 m/s 20 m/s 6.3 m/s 15 m/s

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