This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A radioactive atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number ... (Read 122 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Jul 29, 2018
A radioactive atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?
 
  A) 96, 247 B) 94, 247 C) 96, 245 D) 100, 249 E) 100, 245

Question 2

A long thin rod of length L has a linear density (x) = A(L-x)2 where x is the distance from the left end of the rod. (a) How far is the center of mass of the rod from the left end of the rod? (b) What is the mass of the rod?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

(a) L/4
(b) AL3/3


fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A
Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ... Number of positive, negative, and neutral images recalled by younger, middle-age, and older adults. ...
A ring link network reduces the number of wires it takes to interconnect all of the modules. A ring link network reduces the number of wires it takes to interconnect all of the modules.
How to count for the correct number of significant digits How to count for the correct number of significant digits
Which reaction below represents Th decay by alpha emission? Which reaction below represents Th decay by alpha emission?
Video: How do the different types of chromatography work? (No Audio)

For a complete list of videos, visit our video library