A jet of water issues from a nozzle with a velocity 20 m/s on a flat plate moving away from it at 10 m/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 is

A

1000 N

B

100 N

C

10 N

D

2000 N