AravindG
  • AravindG
a small cylinder of radius r is released coaxially from point A inside the fixed large cylindrical bowl of radius r as in fug.if the friction between the small and large cylinder is sufficient enough t o prevent any slipping then find (a) the fractions of total KE vs rotational when the cylinder reaches the bottom .(b) the normal force exerted by small cylinder on the larger one when it is at bottom.
Physics
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SOLVED
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chestercat
  • chestercat
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AravindG
  • AravindG
|dw:1328285800230:dw|
anonymous
  • anonymous
do you use conservation law of E? between A& bottom point
AravindG
  • AravindG
?

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More answers

anonymous
  • anonymous
in point A it has PE & in bottom has KE (rotational & transitional KE) do you get my goal?
anonymous
  • anonymous
\[mgr=(1/2mv ^{2})+(1/2)I \omega ^{2}\]
AravindG
  • AravindG
ys
AravindG
  • AravindG
then?
anonymous
  • anonymous
for sylender \[I=(1/2mr ^{2})\]
anonymous
  • anonymous
wait please...
anonymous
  • anonymous
from 2nd law of newton have \[N-mg=mv ^{2}/R\] right?
anonymous
  • anonymous
in part 1 question ask this: \[(0.5mv ^{2}+0.5\omega ^{2})/(0.5I \omega ^{2})\] so v=Rw i think ithink answer is:2[(R/r)]^2
anonymous
  • anonymous
sorry one of the i think is lampoon
anonymous
  • anonymous
big cylender is frictionless ok?
anonymous
  • anonymous
i answered part b on top

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