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Physics
Physics
Problem
The speed of a puck on frictionless ice increases from
10
m/s
10\,\text{m/s}
10
m/s
to
30
m/s
30\,\text{m/s}
30
m/s
while its mass remains constant. By approximately what percent does its translational kinetic energy increase? a)
200
%
200\%
200%
b)
900
%
900\%
900%
c)
800
%
800\%
800%
d)
300
%
300\%
300%
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