Forces of 9.93 N and 1.23 N act at right angles on a reddish-green block of mass 3.02 kg. How much acceleration occurs?

(Fr)^2 = 9.93^2 + 1.23^2 = 100.1

Fr = 10.0 N. = Resultant force.

a = Fr/m = 10/3.02 = 3.31 m/s^2.