A force of 450 N accelerates a box across a frictionless surface at a rate of 15 m/s2. Find the mass of the box?

A) 30 N

B) 30 kg

C) 6,750 N

D) 6,750 kg

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An initially stationary box of sand is to be pulled across a floor by means of a cable in which the tension should not exceed 1070 N. The coefficient of static friction between the box and the floor is 0.350.