A 4.7-kg solid sphere, made of metal whose density is 4000 kg/ , ...

[P68T]

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

[Awesome]

Answer to Question 1

A

Answer to Question 2

A