Answers: 1
at 
below the horizon. 
(downwards.)
.)
(where 
is the acceleration due to gravity.) In 
, the vertical component of the velocity of this ball would have increased by 
. 
. Hence, 
after the ball rolled off the table, the vertical component of the velocity of this ball would be 
.
and 
and denote the horizontal and vertical component of the velocity of this ball, respectively. The magnitude of the velocity of this ball would be 
.
while 
. Calculate the magnitude of the velocity of the ball at this moment: 
.
denote that angle.
.
.
.
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A ball is rolled of the edge of a table with a
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