Points: $2$

$2)$ A block slides down a frictionless plane that makes an angle of $50$ with the horizontal.

The acceleration of the block is:

$4\mathrm{.}9$ m$/$$$2$

$7,51$ m$/52$

$6\mathrm{.}29$ m$/$st

$8$ m$/$s$2$

$3,35$ m$/$s$?$

$2)$