Section: Fluid Mechanics | Marks: 2
A source with a strength of 1k and a vortex with a strength of 2k are located at the origin. The resultant velocity at a radial distance r from the origin due to the superposition of the source and vortex is expressed as

- A. 1 2 k k r +
- B. 2 2 1 2 k k r +
- C. 2 2 1 2 k k r −
- D. 1 2 k k r −
Answer: B. 2 2 1 2 k k r +