A block of mass m 0.4kg starts from rest and slides down a frictionless ramp, before hitting a spring of spring constant k-300N/m placed on a horizontal surface. When the block is at the height of 1.5m above the ground, its velocity is 2m/s. What is the maximum compression of the spring? Take g = 9.8m/s².
a. 0.042m
b. 0.045m
c. 0.205m
d. 0.211m
e. none of the above