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Author Topic: CIE Mechanics October/November 2008  (Read 833 times)

Offline Dania

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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 »
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Offline S.M.A.T

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Re: CIE Mechanics October/November 2008
« Reply #1 on: September 19, 2010, 10:37:01 am »
Here :)

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Offline Dania

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Re: CIE Mechanics October/November 2008
« Reply #2 on: September 19, 2010, 12:00:16 pm »
Thank you so much, you're amazing :)
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Offline S.M.A.T

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Re: CIE Mechanics October/November 2008
« Reply #3 on: September 20, 2010, 01:36:30 am »
you welcome :D
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"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
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