Mechanical Properties of Fluids
A bubble of radius R in water of density is expanding uniformly at speed v. Given that water is incompressible the kinetic energy of water being pushed is :
Correct Answer: Option(c)
Solution: A bubble of radius in the water of density is expending uniformly at speed .
The kinetic energy of water being pushed is,
. . . . . . . .(1)
density of water,
substitute in equation (1),
The correct option is C.