anonymous
  • anonymous
plz hlp me out :"(
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
difference b/w velocity vector or acceleration vector.
anonymous
  • anonymous
@panlac01 @Algebraic! @AccessDenied @sauravshakya @Directrix @DanielxAK @vanity_21 @kaiz122 @LifeIsADangerousGame
anonymous
  • anonymous
velocity is the rate of the change in the position with respect to time (dx/dt)

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

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