Homework Help: physics

Posted by zeinab on Saturday, February 9, 2013 at 5:39pm.

a ball roles off a horizontal table at 0.30 m/s and strikes the ground 0.15m horizontally from the base of the table. (a) how high is the table (b) if another ball roles off the same table at 0.60 m/s how far from the base of the table does it hit.

physics - EDSEL, Sunday, February 10, 2013 at 12:09am
H=0.5 GT^2+Vyt
Vx=d/t
g=9.81m/sec
a.
Vx=0.3 d=0.15
0.3=0.15/t
t=2secs
H=0.5(9.81)(2)^2+0
H=19.62m
b.
0.6=d/2
d=1.2m

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