at B, Fnet = k x - m g = 0
44.4x = (0.888)(9.81)
x = 0.1962 m
(A) PE = (44.4 x 0.1962^2 / 2) - (0.88 x 9.81 x 0.1962)
PE = - 0.84 J
(B) total mechanical energy = 0
(C) Applying energy onservation,
PEi + KEi = PEf + KEf
0 = - 0.84 + 0.888 v^2 /2
v = 1.37 m/s
cut pint A pont R 6 is an enubi bvium pon Gwen k=44-4 cmd at vest...