In a Lagrangian system, the position of a fluid particle in a flow is described as 𝑥 = 𝑥𝑜𝑒−𝑘𝑡 and 𝑦 = 𝑦𝑜𝑒𝑘𝑡 where t is the time while 𝑥𝑜, 𝑦𝑜, and k are constants. The flow is
1
unsteady and one-dimensional
2
steady and two-dimensional
3
steady and one-dimensional
4
unsteady and two-dimensional