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Physics
Physics
Problem
During a
4
s
4\,\text{s}
4
s
startup period, the power delivered to a fan increases uniformly from
0
W
0\,\text{W}
0
W
at
t
=
0
t=0
t
=
0
to
120
W
120\,\text{W}
120
W
at
t
=
4
s
t=4\,\text{s}
t
=
4
s
. Calculate the work done on the fan in this time interval.
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