× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
j
3
s
3
j
2
J
2
e
2
n
2
t
2
d
2
b
2
t
2
J
2
b
2
Home Q & A Board Science-Related Homework Help Physics
New Topic  
juliasarands juliasarands
wrote...
Posts: 52
Rep: 0 0
12 years ago
I don't get it, can someone explain ?
Read 642 times
4 Replies

Related Topics

Replies
wrote...
#1
12 years ago
Energy (J) = mass of an object (g) x [speed of light [constant value]) squared
wrote...
#2
12 years ago
just to clairify

E means energy, energy is measured in units called joules
M means mass, in kilograms
c is the speed of light in a vacumm its a constant (3*109^8)

this shows how much energy is stored in the atomic bonds of the substance, like in a nuclear power plant or an atomic bomb
wrote...
#3
12 years ago
The physical meaning is that mass and energy are ultimately the same stuff. c^2 is the 'conversion' factor-it tells you how much energy you have to 'spend' to 'buy' 1kg of mass. It is analogous to currency. Think of it like this- you can use either dollars or euros to make business transactions. They are both money in different forms and there is a conversion factor which tells you how many dollars you have to spend to get 1 euro.
wrote...
#4
12 years ago
In Japan there are about 35 atom-station.Here going on questioning...
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  960 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 409
  
 394
  
 384
Your Opinion
How often do you eat-out per week?
Votes: 81
Previous poll results: What's your favorite funny biology word?