Work of Ice and Wind

The minimum speed of wind necessary for the satisfactory working of a wind generator to produce electricity is about :

A block of ice with an area A and a height h floats in water of density rho_(0) . What work should be performed to submerge the ice block completely into water if density of ice is rho_(1) ?

Major Land Forms|Work Of A Water|Work Of Sea Waves|Work Of Ice|OMR

Work done in converting 1 g of ice at -10^@C into steam at 100^@C is

Are dry ice and ordinary ice same ?

Effect Of Winds

Structureal units fo ice and dry ice are , respectively .