Marbles in water
vou noticed that dropping objects into a glass of water raises the water level?
the diagram and table below show what happens to the height of the water in a
in glass when different numbers of identical marbles are dropped into it.
number of
marbles, x
height of
water (cm), y
6.9
15 cm
7.5
lope
8.7
10.2
6.9 cm
11.1
12.9
how many marbles are needed to raise the water to the top of the glass?