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 162 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?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds Flower part number is a characteristic difference between monocots and eudicots (a) Flowers and buds
Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
The Helium Atom. The Helium Atom.
Hydrogen Atom Hydrogen Atom
The Alpha-Z Alphabetic Color-Coding System The Alpha-Z Alphabetic Color-Coding System
Video: Pores and Ion Channels

For a complete list of videos, visit our video library