Question

A large block of ice 4 m thick has a vertical hole drilled through it and is floating in the middle of water in a lake. The minimum length of rope required to scoop up a bucket full of the through the hole is (density of ice `=0.9CGS` unit, density of water `=1CGS` unit)
A. 40 cm
B. 24 cm
C. 20 cm
D. 360 cm

Answer 1

Correct Answer - A
`Mg=V_("in")d_(1)g,Ald_("ice")=Al_("in")d_(l)`
Length of rope `=` side of the block `-l_("immersed")`