When a box of mass 45kg, is given an initial speed of 5ms-1 it slides along a horizontal floor a distance of 3m before coming to a rest. what is the coefficient of kinetic friction between the box and the floor? (G = 10ms-2)
-
A.
( frac{5}{6} ) -
B.
( frac{5}{12} ) -
C.
( frac{1}{3} ) -
D.
( frac{2}{3} )