a block connected to a horizontal spring is in harmonic motion on a level, frictionless surface, oscillating with amplitude A around the x$=0$ point. specify whether each of the following statements is always true or false:

If x$=+/-$A then $|$v$|=|$vmax$|$ and $|$a$|=|$amax$|$

If x$=0$ then $|$v$|=|$vmax$|$ and $|$a$|=0$

if v$>0$ then a$<0$

if x$>0$ then a$<0$

if xL$>0$ then v$>0$