Posted by **John** on Saturday, February 25, 2012 at 2:22pm.

A ball rolls with a speed of 4.4 m/s toward the edge of a table that is 1 m above the floor. The ball rolls off the table.

a. How long is it in the air? s

b. How far out from the edge of the table does the ball hit the floor? m

- physics -
**Elena**, Saturday, February 25, 2012 at 5:20pm
The ball after leaving the table

takes part in two motions: horizontal uniform motion

L = v(hor) •t,

and vertical free fall

H = gt^2/2,

t = sqroot(2H/g) = sqroot(2•1/9.8) = 0.2 s.

L = v(hor) •t = 4.4•0.2=0.88 m.

- science -
**angel**, Tuesday, November 4, 2014 at 7:39pm
a ball rolls 5cm in 5 seconds what is the speed of the ball?

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