« previous next »

Author Question: What material was used as fuel in the world's first nuclear reactor? A) 14C B) 238U C) 235U D) 2H ... (Read 80 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
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

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

The world attempted to deal with Somalia as if it were a real country but painfully learned that Som The world attempted to deal with Somalia as if it were a real country but painfully learned that Som
Nuclear bodies are differentially permeable to molecules in the bulk nucleoplasm Nuclear bodies are differentially permeable to molecules in the bulk nucleoplasm
The World's Megacities The World's Megacities
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ... Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
A dim headlight indicates excessive resistance in fuel pump circuit. A dim headlight indicates excessive resistance in fuel pump circuit.
World of Art, A World of Art, A
Video: Interview with an Anorexic Woman (Part 2 of 2)

For a complete list of videos, visit our video library