Indicate whether or not the following objects described below will float in fres

Question

Indicate whether or not the following objects described below will float in fresh water and in mercury by stating "Yes" it will float or "No" it will not float. Confirm each answer with a calculation.

a.) A uniform 54-g cube with sides length 3.0 cm each
b.) A uniform 220-g cylinder of height 5.0cm and base radius 1.0 cm
c.) A uniform 88-g solid ball of radius 2.8cm
d.) A uniform 100,000-kg object with a volume of 200 m^3
e.) An object that will float 90% submerged in ethyl alcohol

Density of water is 1000
Density of mercury is 13,600
Density of ethyl alcohol is 790

Explanation / Answer

a)water-no :mercury-yes

density = 54/27 = 2000

b)water-no:mercury-no

density = 220/5* = 1400

c)water-yes:mercury-yes

density = 9570

d)water-yes:mercury-yes

density = 500

e)water-yes:mercury -yes

density = 711

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