Marbles of diameter 1.4 cm are dropped into a cylinderical beaker of radius 7cm containing some water .how many marbles must be dropped so that the water in the beaker rises by 28cm?
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diameter of marble = 1.4 cm
radius = 1.4/2 = 0.7 cm
volume of 1 marble =
let number of marbles required = n
base diameter of beaker = 7cm
radius = 7/2 = 3.5 cm
height rise in water = 56 cm
volume change = volume of n marbles
So 1500 marbles should be dropped.
radius = 1.4/2 = 0.7 cm
volume of 1 marble =
let number of marbles required = n
base diameter of beaker = 7cm
radius = 7/2 = 3.5 cm
height rise in water = 56 cm
volume change = volume of n marbles
So 1500 marbles should be dropped.
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