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96.
REASONING
The magnitude
F
Σ
of the net force acting on the kayak is given by
Newton’s second law as
Fm
a
Σ=
(Equation 4.1), where
m
is the combined mass of
the person and kayak, and
a
is their acceleration. Since the initial and final velocities,
v
0
and
v
, and the displacement
x
are known, we can employ one of the equations of
kinematics from Chapter 2 to find the acceleration.
SOLUTION
Solving Equation 2.9
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 Spring '08
 SOFFER

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