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#1 2008-12-20 19:13:28

Dadface
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From: uk
Registered: 2008-11-30
Posts: 40
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short and simple questions[well,perhaps not that simple]

1 How many sides does a bubble have?                                             
2   Give an example of an object which is stationary but accelerating 
3 Given a single length of resistance wire a fixed contact and a sliding contact how could you make a variable resistor whose resistance varies from zero to a maximum and then back to zero when the sliding contact contact is moved from one end of the wire to the other end?
4 In principle can you make two different volume plasticine cubes
whose sides you can measure exactly?Can you then,using all of the plasticine,mould them together into a single larger cube whose side you can measure exactly?


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Last edited by Dadface (2008-12-21 14:05:02)

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#2 2009-02-06 13:29:03

Arslan Anjum
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Registered: 2009-02-05
Posts: 4

Re: short and simple questions[well,perhaps not that simple]

connect two fixed contacts together and join them with one potential or ground and use the sliding contact as other end


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#3 2009-02-07 11:17:09

Arslan Anjum
New Member
Registered: 2009-02-05
Posts: 4

Re: short and simple questions[well,perhaps not that simple]

if you are talking about a sphere then it has infinite sides


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