You want to move a heavy box with mass30.0kgacross a

You want to move a heavy box with mass30.0kgacross a carpeted floor. You pull hard on one of the edges of the box at an angle30above the horizontal with a force of magnitude240N,causing the box to move horizontally. The force of friction between the moving box and the floor has magnitude41.5N. What is the box’s acceleration just after it begins to move?
a=5.54487m
A normal walking speed is around2.0m/s. How much timetdoes it take the box to reach this speed if it has the acceleration 5.54m/s2that you calculated above?
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