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Physics
Physics
Problem
A pebble is released from rest from the edge of a cliff. Calculate its speed after
3
s
3\,\text{s}
3
s
of free fall. Take
g
=
9.8
m s
−
2
g = 9.8\,\text{m s}^{-2}
g
=
9.8
m s
−
2
.
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