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Physics
Physics
Problem
When a ball is simply released from rest near Earth’s surface and allowed to fall freely, its initial velocity
u
u
u
is a)
9.8
m/s
9.8\,\text{m/s}
9.8
m/s
b)
0
m/s
0\,\text{m/s}
0
m/s
c)
−
9.8
m/s
-9.8\,\text{m/s}
−
9.8
m/s
d)
4.4
m/s
4.4\,\text{m/s}
4.4
m/s
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