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April 29, 2024, 07:38:59 am
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Author Topic: Naved's Questions  (Read 5722 times)  Share 

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naved_s9994

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Naved's Questions
« on: June 07, 2009, 09:20:32 pm »
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A bicycle accelerates from rest, covering 16m in 4 seconds. The total mass of the bicycle
and its rider is 90Kg. What is its average acceleration?
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appianway

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Re: Naved's Questions
« Reply #1 on: June 07, 2009, 09:32:09 pm »
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The mass is irrelevant.

d=1/2 at^2
d=16
t=4
16=16/2 *a
16=8a
a=2
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naved_s9994

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Re: Naved's Questions
« Reply #2 on: June 07, 2009, 09:33:14 pm »
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Thanks so much, yes and the solution is correct
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appianway

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Re: Naved's Questions
« Reply #3 on: June 07, 2009, 09:36:44 pm »
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No problemo :)
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naved_s9994

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Re: Naved's Questions
« Reply #4 on: June 07, 2009, 11:14:45 pm »
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AC and DC questions arnt in electronics anymore....are they???
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Re: Naved's Questions
« Reply #5 on: June 07, 2009, 11:29:42 pm »
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What do you mean by AC and DC questions? Or do you mean just general knowledge?
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TrueTears

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Re: Naved's Questions
« Reply #6 on: June 07, 2009, 11:30:15 pm »
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Quote from: naved_s9994 on June 07, 2009, 11:14:45 pm
AC and DC questions arnt in electronics anymore....are they???
AC and DC questions will never be taken out of electronics :P
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naved_s9994

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Re: Naved's Questions
« Reply #7 on: June 07, 2009, 11:49:13 pm »
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serz...but they werent in heinemass text
as in DC signal displayed on CRO screen
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Flaming_Arrow

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Re: Naved's Questions
« Reply #8 on: June 07, 2009, 11:50:39 pm »
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Quote from: naved_s9994 on June 07, 2009, 11:49:13 pm
serz...but they werent in heinemass text
as in DC signal displayed on CRO screen
it's in the study design
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naved_s9994

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Re: Naved's Questions
« Reply #9 on: June 07, 2009, 11:51:27 pm »
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v rms?
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TrueTears

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Re: Naved's Questions
« Reply #10 on: June 07, 2009, 11:51:45 pm »
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naved_s9994

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Re: Naved's Questions
« Reply #11 on: June 07, 2009, 11:54:12 pm »
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could you explain v rms formula..
and is dc, if displayed through a graph a straight line ( direct currect)
and ac is, like a sin wave? (alternative current?)
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TrueTears

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Re: Naved's Questions
« Reply #12 on: June 07, 2009, 11:57:09 pm »
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Quote from: naved_s9994 on June 07, 2009, 11:54:12 pm
could you explain v rms formula..
and is dc, if displayed through a graph a straight line ( direct currect)
and ac is, like a sin wave? (alternative current?)
Yes, sometimes when AC is combined with DC, it is shifted vertically upwards, ie, AC and DC components.
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Flaming_Arrow

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Re: Naved's Questions
« Reply #13 on: June 07, 2009, 11:57:34 pm »
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Quote from: naved_s9994 on June 07, 2009, 11:54:12 pm
could you explain v rms formula..
and is dc, if displayed through a graph a straight line ( direct currect)
and ac is, like a sin wave? (alternative current?)

V_rms s the average voltage
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TrueTears

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Re: Naved's Questions
« Reply #14 on: June 07, 2009, 11:58:53 pm »
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http://vcenotes.com/forum/index.php/topic,13529.0.html

Good thread on RMS, check it out naved  8-)
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