« previous next »
Pages: [1]   Go Down

Author Topic: a physics MCQ question !!hurry  (Read 1322 times)

Offline Jerry_LA

  • Newbie
  • *
  • Posts: 25
  • Reputation: -2
a physics MCQ question !!hurry
« on: June 09, 2009, 12:16:23 pm »
i attached the queation below.
i don no how to slove q39.plaese guys.
Thanks it may not spend u time.
Logged

nid404

  • Guest
Re: a physics MCQ question !!hurry
« Reply #1 on: June 09, 2009, 12:19:30 pm »
i can't download the doc...can u attach it again or tell me the year
Logged

Offline Jerry_LA

  • Newbie
  • *
  • Posts: 25
  • Reputation: -2
Re: a physics MCQ question !!hurry
« Reply #2 on: June 09, 2009, 12:26:56 pm »
0625_s05_qp1 mcq
q39
Thanks
Logged

Offline esso

  • SF Citizen
  • ***
  • Posts: 147
  • Reputation: 25
Re: a physics MCQ question !!hurry
« Reply #3 on: June 09, 2009, 12:45:44 pm »
since its half life is 5 days ..... the mass will be halfed twice...

therefore, 400 becomes 200 in 5days...

den the 200 becomes 100 in the next 5 days...

soo the answer is is C

hope i helped,,,,

gd luck 2morrow..
Logged

nid404

  • Guest
Re: a physics MCQ question !!hurry
« Reply #4 on: June 09, 2009, 12:49:58 pm »
thanx for answering it esso :)
Logged

Offline esso

  • SF Citizen
  • ***
  • Posts: 147
  • Reputation: 25
Re: a physics MCQ question !!hurry
« Reply #5 on: June 09, 2009, 12:53:14 pm »
Quote from: nid404 on June 09, 2009, 12:49:58 pm
thanx for answering it esso :)

ur welcome....
Logged

Offline Jerry_LA

  • Newbie
  • *
  • Posts: 25
  • Reputation: -2
Re: a physics MCQ question !!hurry
« Reply #6 on: June 09, 2009, 01:33:09 pm »
Thanks mate .good luck 2  ;)
Logged
Pages: [1]   Go Up
« previous next »