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发表于 22-2-2010 01:07 PM
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给VICK的。。笔记和问题。。。 |
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发表于 22-2-2010 01:50 PM
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发表于 22-2-2010 04:12 PM
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本帖最后由 數學神童 于 22-2-2010 08:34 PM 编辑
a particle moves along the positive x-axis.At time t seconds after leaving a fixed point O from rest,the displacement of the particle from O is X cm.The acceleration ,a cms^-2,of the particle is defined by
a=5-3t, 0<=t<=1 and a=-(4x+1),t=>1.
a)find maximum velocity of the particle and its distance from O when this happens.
answer.v=3.5 and x=2 |
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发表于 24-2-2010 09:46 PM
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发表于 24-2-2010 11:41 PM
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很担心这一张考到很差 |
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发表于 25-2-2010 09:11 PM
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发表于 27-2-2010 03:21 PM
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发表于 28-2-2010 12:27 PM
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这题我不会,有谁可以指教指教我
12. At the beginning of this year, Mr. Liu and Miss Dora deposited RMl0 000 and RM2000 respectively in a bank. They receive an interest of 4% per annum. Mr. Liu does not make any additional deposit nor withdrawal, whereas, Miss Dora continues to deposit RM2000 at the beginning of each of the subsequent years without any withdrawal.
(a) Calculate the total savings of Mr. Liu at the end of nth year. [3 marks]
(b) Calculate the total savings of Miss Dora at the end of nth year. [7 marks]
(c) Determine in which year the total savings of Miss Dora exceeds the total savings of Mr. Liu. (5 marks) |
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发表于 28-2-2010 01:53 PM
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发表于 28-2-2010 04:57 PM
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This is chap 3 paper 1 de ques? |
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发表于 1-3-2010 02:12 PM
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发表于 1-3-2010 02:46 PM
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OMG..I never came across such ques |
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发表于 1-3-2010 03:36 PM
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发表于 1-3-2010 04:06 PM
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发表于 1-3-2010 05:19 PM
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回复 772# vick5821
因为这个是08past year question |
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发表于 1-3-2010 05:25 PM
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发表于 1-3-2010 05:42 PM
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发表于 1-3-2010 05:48 PM
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发表于 1-3-2010 08:20 PM
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发表于 1-3-2010 08:22 PM
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