The post is made from 6061-t6 aluminum and has a diameter of 50 mm. it is fixed supported at a and b, and at its center c there is a coiled spring attached to the rigid collar. 0.25 m 0.25 m k = 200 mn/m > b part a if the spring is originally uncompressed, determine the compression in the spring when the load of p = 70 kn is applied to the collar. express your answer to three significant figures and include appropriate units. hår o 2 ? opp = .129 mm submit previous answers request answer x incorrect; try again; 5 attempts remaining