A horizontal force of 129.4  N is applied on a 10  kg block which rests on a horizontal surface. ...

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A horizontal force of 129.4  N is applied on a 10  kg block which rests on a horizontal surface. If the coefficient of friction is 0.3, the acceleration should be
(1) 9.8  m / s^2
(2) 10  m / s^2
(3) 12.6  m / s^2
(4) 19.6  m / s^2.

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