Posted by **Sean** on Sunday, January 9, 2011 at 6:57am.

2.Using the kinematic equations, prove that if two balls are released simultaneously from a table, one with zero velocity and the other with a horizontal velocity Vox, they will both reach the ground at the same time.

- Physics -
**drwls**, Sunday, January 9, 2011 at 7:02am
Only Voy matters in the verical equation of motion.

The vertical height at time t is

y = H + Voy*t - (g/2) t^2

In both cases, Voy = 0.

When the height y = 0,

t = sqrt(2H/g)

H is the height of the table.

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