A $3\mathrm{.}80-$kg block starts from rest at the top of a $30\mathrm{.}0\backslash$deg incline and slides a distance of $1\mathrm{.}90$ m down the incline in $2\mathrm{.}00$ s$.($a$)$ Find the magnitude of the acceleration of the block$\mathrm{.}0\mathrm{.}95$ Correct: Your answer is correct. seenKey $0\mathrm{.}95$ m$/$s$2($b$)$ Find the coefficient of kinetic friction between block and plane$\mathrm{.}0\mathrm{.}465$ Correct: Your answer is correct. seenKey $0\mathrm{.}465($c$)$ Find the friction force acting on the block.magnitude$15\mathrm{.}01$ Correct: Your answer is correct. seenKey $15$ Ndirectionup the incline Correct: Your answer is correct. seenKey up the incline$($d$)$ Find the speed of the block after it has slid $1\mathrm{.}90$ m$\mathrm{.}1\mathrm{.}9$ Correct: Your answer is correct. seenKey $1\mathrm{.}9$ m$/$s