$--$

$--$

$11$

$14$

$15$

$18$

$21$

$24$

$2\mathrm{.}710-9$ W

Question $13(5$ points$)$

A child is riding a merry$-$go$-$round that has an instantaneous angular speed of $1\mathrm{.}25$ rad$/$s and an angular acceleration of $0\mathrm{.}745$ ra$/$s$2.$ The child is standing $4\mathrm{.}65$ m from the center of the merry$-$go$-$round. What is the magnitude of the linear acceleration of the child?

$2\mathrm{.}58$ m$/$s$2$

$8\mathrm{.}05$ m$/$s$2$

$7\mathrm{.}27$ m$/$s$2$

$4\mathrm{.}10$ m$/$s$2$

$3\mathrm{.}46$ m$/$s$2$

Question $14(5$ points$)$