A jet of liquid with a velocity of 25 m/s and its relative density 0.8 strikes normally a plate moving towards from it at 15 m/s. The jet has an area of 0.03 m2. The force exerted by plate on the jet is
1
38.4 kN
2
44.4 kN
3
32.5 kN
4
2.4 kN