« previous next »

Author Question: How many joules of energy are required to accelerate one kilogram of mass from rest to a velocity of ... (Read 32 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
on: Jul 27, 2018
How many joules of energy are required to accelerate one kilogram of mass from rest to a velocity of 0.886c?
 
  A) 1.8  1017 J
  B) 9.0  1016 J
  C) 3.0  103 J
  D) 8.1  1021
  E) 3.4  10-7

Question 2

In references to nuclear chain reactions, what is meant by the term CRITICAL MASS?
 
  What will be an ideal response?


shaikhs

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

Critical mass is the minimum mass of fissionable material necessary to produce a chain reaction.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

A Coronal Mass Ejection A Coronal Mass Ejection
The Structure of an Old Low-Mass Star The Structure of an Old Low-Mass Star
Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ... Calculate the velocity of the red rock after collision Angle measured counterclockwise from the ...
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
An automobile engine generates 2160 Joules of heat that must be carried away by An automobile engine generates 2160 Joules of heat that must be carried away by
A chemical reaction is run in which 447 Joules of work is done by the system and A chemical reaction is run in which 447 Joules of work is done by the system and
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

For a complete list of videos, visit our video library