A $2\mathrm{.}4-$kg ball falling vertically hits the floor with a speed of $2\mathrm{.}5$ m$/$s and rebounds with a speed of $1\mathrm{.}5$ m$/$s$.$ What is the magnitude of the impulse exerted on the ball by the floor?

a$.$

$9\mathrm{.}6$ Ns

b$.$

$2\mathrm{.}4$ Ns

c$.$

$6\mathrm{.}4$ Ns

d$.$

$1\mathrm{.}6$ Ns

e$.$

$1\mathrm{.}0$ Ns

a$.$

$9\mathrm{.}6$ Ns

b$.$

$2\mathrm{.}4$ Ns

c$.$

$6\mathrm{.}4$ Ns

d$.$

$1\mathrm{.}6$ Ns

e$.$

$1\mathrm{.}0$ Ns