What material was used as fuel in the world's first nuclear ...

[dmcintosh]

What material was used as fuel in the world's first nuclear reactor?
 
  A) 14C B) 238U C) 235U D) 2H E) 239Pu

Question 2

A barge is 15.0 m wide and 75.0 m long and has vertical sides. The bottom of the hull is 1.20 m below the water surface. What is the weight of the barge and its cargo, if it is floating in fresh water of density 1000 kg/m3?
 
  A) 22.6 MN
  B) 13.2 MN
  C) 1.35 MN
  D) 1.13 MN
  E) 11.3 MN

[diesoon]

Answer to Question 1

C

Answer to Question 2

B