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Physics
Physics
Problem
A stone of mass
2
kg
2\,\text{kg}
2
kg
is moving with a speed of
3
m/s
3\,\text{m/s}
3
m/s
. Its kinetic energy is a)
3
J
3\,\text{J}
3
J
b)
9
J
9\,\text{J}
9
J
c)
4.5
J
4.5\,\text{J}
4.5
J
d)
18
J
18\,\text{J}
18
J
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