A 4.7-kg solid sphere, made of metal whose density is 4000 kg/ , hangs by a light cord. When the sphere is immersed in water, what is the tension force the cord exerts on the sphere? The density of water is 1000 kg/m3.
A) 35 N
B) 40 N
C) 46 N
D) 52 N
E) 58 N
Question 2
A 200-kg flat-bottomed boat floats in fresh water, which has a density of 1000 kg/m3. If the base of the boat is 1.42 m wide and 4.53 m long, to what depth is the bottom of the boat submerged when it carries three passengers whose total mass is
A) 7.10 cm
B) 7.53 cm
C) 7.95 cm
D) 8.52 cm
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