A Block (M=12 Kg)is Moving at a Speed of 7

A block (m=12 kg) is moving at a speed of 7.0 m/s on a level surface.A force of 25 N is applied in the direction that it is moving but it comes to a stop in a distance 625 cm.Find the coefficient of friction.

A) 0.22 N
B) 0.22
C) 0.40
D) 0.61
E) 0.86