Marble of radius 0.7cm are dropped into a cylinder beaker ,of radius 3.5cm containing some water. Find the nu of marbles that should be dropped into the beaker, so that the water level rises by 5.6cm
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let the no of marble be x
so x*4/3 *22/7*(.7)^3=22/7*(3.5)^2 *5.6
x*4/3*(.7)^3= (3.5)^2*5.6
calculate x
so x*4/3 *22/7*(.7)^3=22/7*(3.5)^2 *5.6
x*4/3*(.7)^3= (3.5)^2*5.6
calculate x
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