Question

A 50.0-kg box is resting on a horizontal floor. A force of 250 N directed at an angle of 20.7° below the horizontal is applied to the box. The coefficient of kinetic friction between the box and the surface is 0.300. What is the acceleration of the box?

Answer 1

1.77m/s^2? Im not sure

Answer 2

5.89m/s2

Answer 3

I got 1.21m/s2