engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Fluid Mechanics Turbomachinery Impact of Jets
A water jet of cross-section area 0.01 m2 impinges normally on a plate and falls down grazing the plate tangentially. If a force of 490 N is produced as a result of this impact, the velocity of the jet is-
1
3.5 m/s
2
5 m/s
3
7 m/s
4
49 m/s