5. A spring is hung from the ceiling. A 0.450 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.150m before momentarily coming to rest, after which it moves back upward. What is the spring constant? K = ? 145 N/m b) 130 N/m 58.8 N/m nigh = tuck 29.4 N/m e ) 4.90 N/m T.45 RX 3 *=.15 2 ( ,45) (9. 2) (.15) ( .152 ) 6. A wheel rotates