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Physics
Physics
Problem
a. (a) A particle is acted upon by a force
F
(
x
)
=
6
sin
(
2
x
)
F(x)=6\sin(2x)
F
(
x
)
=
6
sin
(
2
x
)
N along the
x
x
x
-axis. Find the work done when the particle moves from
x
=
0
x=0
x
=
0
to
x
=
π
4
m
x=\tfrac{\pi}{4}\,\text{m}
x
=
4
π
m
. b. (b) What is the change in its kinetic energy over the same interval?
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