Can someone tell me if these two are correct? i would app it

In a system, when potential energy decreases, then entropy also decreases. true false

What is a carrier wave and how does it affect what you hear on the radio

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.