Help An important question for me

[pucoñe]

http://img82.imageshack.us/img82/8608/cimg7962cs0.th.jpg

http://img301.imageshack.us/img301/7571/cimg7963pe0.th.jpg

the second thumbnail is the figure of the question..
thanks..

 

[cristo]

Welcome to PF. Before we can help you, please post your thoughts on the question. Better still, use the homework template with which you were provided

 

[arildno]

In order to answer questions like this, first think:
Do the assumptions given allow me to regard some property/phenomenon as remaining the same, or that is, CONSERVED, throughout the entire period of observation?

 

[pucoñe]

i have to bring it up tomorrow afternoon..

 

[arildno]

i have to bring it up tomorrow afternoon..

Does that excuse you from doing independent thinking of your own??
Have you at all bothered to reflect upon the question I posed you?