A 1.40- block is on a frictionless, 20 inclined plane. The block is attached to a spring ( = 40.0 ) that is fixed to a wall at the bottom of the incline. A light string attached to the block runs over a frictionless pulley to a 60.0- suspended mass. The suspended mass is given an initial downward speed of 1.80 .
How far does it drop before coming to rest? (Assume the spring is unlimited in how far it can stretch.) Express your answer using two significant figures.