Section: Engineering Mathematics | Type: NAT | Marks: 2
If the work done in moving a particle once around a circle 4 2 2 = +y x under the force field j ax y i ay x y x F ) ) ρ ) 2 ( ) 2 ( ) , ( + + − = is π 16 , then a is equal to _________. XE (GATE 2014)
Answer: 2