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

Author Question: How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a ... (Read 30 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Jul 29, 2018
How much energy is stored in a room 3.0 m by 4.0 m by 2.4 m due to the earth's magnetic field with a strength of 5.0  10-5 T? (0 = 4  10-7 T  m/A)
 
  A) 29 mJ B) 57 mJ C) 10 mJ D) 100 mJ E) 570 mJ

Question 2

The Q value for a particular reaction is -2.4 MeV, and the reaction's threshold energy is 9.60 MeV. What is the ratio of the mass of the incident particle to the mass of the stationary target nucleus?
 
  A)
 
  -0.75
  B)
 
  0.25
  C)
 
  3
  D)
 
  4
  E)
 
  5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


theo

  • Member
  • Posts: 698
Reply 2 on: Jul 29, 2018
Wow, this really help

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head. Color-enhanced magnetic resonance image (MRI) showing a sagittal view of the head.
The Sun as it appears from the surface of the Earth at Sunset. The Sun as it appears from the surface of the Earth at Sunset.
Saturn as Seen from Earth Saturn as Seen from Earth
Canada's energy stream Canada's energy stream
Scientists do research in the laboratory and in the field Scientists do research in the laboratory and in the field
Earth 340 Million Years Ago Earth 340 Million Years Ago
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library