QUESTION 4
A rectangular water tank is 12 m long, 11 m wide and 10 m high. The water depth is 8 m.
A large metal ball of diameter 7 m is dropped into the water and it sinks to the bottom.
10 m
The following formulae may be used: V = lbh V=
bh V=²
OLE
7m
11 m
Calculate the rise in the water level (rounded off to three decimal places).
12 m
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