« previous next »
Pages: [1]   Go Down

Author Topic: CIE Mechanics October/November 2008  (Read 820 times)

Offline Dania

  • SF Immigrant
  • **
  • Posts: 115
  • Reputation: 3838
  • Gender: Female
    • Twitter
CIE Mechanics October/November 2008
« on: September 18, 2010, 08:00:54 pm »
Hi, I've been struggling with this one calculus question in the October/November 2008 CIE Mechanics paper. I need help with part (ii) Here it is:

A particle P is held at rest at a fixed point O and then released. P falls freely under gravity until it
reaches the point A which is 1.25m below O.

(i) Find the speed of P at A and the time taken for P to reach A. [3]

The particle continues to fall, but now its downward acceleration t seconds after passing through A is
(10 ? 0.3t)ms?2.

(ii) Find the total distance P has fallen, 3 s after being released from O. [7]


« Last Edit: September 18, 2010, 08:06:55 pm by dania.chughtai »
Logged
:)

Offline S.M.A.T

  • SF Master
  • ******
  • Posts: 1595
  • Reputation: 18522
  • Gender: Male
Re: CIE Mechanics October/November 2008
« Reply #1 on: September 19, 2010, 10:37:01 am »
Here :)

Logged


"A man's life is interesting primarily when he has failed - I well know. For it's a sign that he tried to surpass himself." Clemenceau, Georges

Offline Dania

  • SF Immigrant
  • **
  • Posts: 115
  • Reputation: 3838
  • Gender: Female
    • Twitter
Re: CIE Mechanics October/November 2008
« Reply #2 on: September 19, 2010, 12:00:16 pm »
Thank you so much, you're amazing :)
Logged
:)

Offline S.M.A.T

  • SF Master
  • ******
  • Posts: 1595
  • Reputation: 18522
  • Gender: Male
Re: CIE Mechanics October/November 2008
« Reply #3 on: September 20, 2010, 01:36:30 am »
you welcome :D
Logged


"A man's life is interesting primarily when he has failed - I well know. For it's a sign that he tried to surpass himself." Clemenceau, Georges
Pages: [1]   Go Up
« previous next »