Ruchi.
plz hlp me out :"(
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Ruchi.
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difference b/w velocity vector or acceleration vector.
Ruchi.
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@panlac01 @Algebraic! @AccessDenied @sauravshakya @Directrix @DanielxAK @vanity_21 @kaiz122 @LifeIsADangerousGame
Coolsector
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velocity is the rate of the change in the position with respect to time
(dx/dt)
Coolsector
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its magnitude is speed but as a vector it also has a direction
Coolsector
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acceleration is the rate of the change in the velocity with respect to time (dv/dt or d^2x/dt^2)
Ruchi.
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@Coolsector
Ruchi.
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how will u find ag. vel b/w 2 point on d displacement time graph?
Ruchi.
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can u draw it
Ruchi.
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the graph
Coolsector
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|dw:1348397838962:dw|
Ruchi.
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r u sure its true.
Coolsector
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yes.. this is how you find the average velocity
Ruchi.
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i 'm telling abt next question
Coolsector
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?
Ruchi.
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i;m telling that hw will u....abt this question
Ruchi.
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my question
hw will u find d avg.vel b/w 2 point on d displacement time graph.
Coolsector
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by calculating the slope between the two points
if the coordinates of point 1 are (t1,x1)
and point two (t2,x2)
then the average velocity is (x2-x1)/(t2-t1)
Coolsector
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|dw:1348398831356:dw|
Ruchi.
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next question shows the expression of relative velocity.
Coolsector
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relative with respect to..?
Ruchi.
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show the expression
Ruchi.
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@satellite73
Ruchi.
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@Coolsector hlpme out
Coolsector
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vba = vb - va
Coolsector
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this is b relative to a
Coolsector
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and those are vectors..
Ruchi.
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@Coolsector
Coolsector
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??
Coolsector
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relative velocity -> body b relative to body a is given by the vector equation :
vba = vb - va
Ruchi.
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draw vel time graph 4 a particle moving with non-uniform acceleration
Coolsector
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|dw:1348399535112:dw|
Coolsector
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for example .. (anything that is not a straight line\linear)
Ruchi.
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position of particle when acc is maximum bt v=0
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@Coolsector
Ruchi.
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hlp me out
Coolsector
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graph of position given v=0 at t =0 but has acceleration ?
Ruchi.
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write the position nt graph
Ruchi.
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@Coolsector
Coolsector
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i dont understand what you need
Ruchi.
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ques;write the postion of a particle , when its acc is max , bt its velocity beccomes zero
Coolsector
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|dw:1348400395649:dw|
Coolsector
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like parabola
Ruchi.
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the graph will nt touch the last line in mean x-plane
Coolsector
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what ?
Ruchi.
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r u in habit of saying what|dw:1348404246084:dw|
Ruchi.
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@Coolsector
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it may touch .. you can draw infinite graphs describing what you asked for
i just gave an example
Ruchi.
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don't give exampler i 'm confusing