A jet of water issues from nozzle with a velocity 20m/s on a flat plate moving away from it at 10m/s. The cross-sectional area of the jet is 0.01 m$$^2$$ and the density of water = 1000 kg/m$$^3$$. The force developed on the plate in newton’s is :

A

2000

B

9810

C

5000

D

7000