A box is gently dropped on a conveyor belt in an airport moving of 3m/s. If the coeffiecient of friction between belt and box is 0.5, how far will the box move on the belt (relative to belt) before coming to rest ?

Question

$$(a)\;2\; m \quad (b)\; -0.918 \;m \quad (c)\; 0.863 \;m \quad (d)\;0.918\;m$$