Question: Problem 4 ( 5 marks ) . A hydrometer is used to measure the density of fluids ( Figure 4 ) . has a weight

Problem 4(5 marks). A hydrometer is used to measure the density of fluids (Figure 4). has a weight of
0.045 kg with a cylindrical stem at the upper end with diameter =2mm(290mm2). What is the
minimum density difference that can be measured so that the graduations are 5 mm apart?
... f...^--urface
Figure 4: A hydrometer used to measure the density of fluids.
Problem 4 ( 5 marks ) . A hydrometer is used to

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