The force exerted on the plate by the jet is 2 m

Question

A jet of oil with relative density 0.7 strikes normally a plate with a velocity of 10 m/s. The jet has an area of 0.03 . The force exerted on the plate by the jet is 2 m

(A) 210 N                    (B) 2.1 kN

(C) 20.6 kN                 (D) 206 N