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Physics
Physics
Problem
A
20
kg
20\,\text{kg}
20
kg
box is sliding on a horizontal surface for which the coefficient of kinetic friction is
μ
k
=
0.30
\mu_k = 0.30
μ
k
=
0.30
. It is being pushed by a constant force of
150
N
150\,\text{N}
150
N
acting at
20
∘
20^{\circ}
2
0
∘
below the horizontal. Determine the acceleration of the box at that instant.
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