Question

A spherical ball of mass ‘M’ and density row(b) is sinking in a closed vessel filled with a liquid of density row(l) with constant speed ‘V’. The momentum of the liquid is

pls give right answer I will mark as brillianest

Answer 1

A spherical ball of density ρ is gently released in a liquid of density σ(ρ>σ). Find the initial acceleration of the ball.

ANSWER

Let the volume of the ball be V.

Mass of the ball m=ρV

Buoyancy acting on ball B=σVg

So, using ma=mg−B

Or ρVa=ρVg−σVg

⟹ a=g−

ρ

σ

g