A long thin carpet is laid on a floor.One end of carpet is bent back and then pulled backwards with constant unit velocity,just above part of the carpet which is still at rest on floor.The speed of centre of mass of moving part is?
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akash19feb2000:
Answer 3/4 is given.how sir?
you didnt mention any values about velocity or carpet area etc which are must to find answer
the question has insufficient data for sure
Velocity is 1m/s thats the only data given
i.e.unit velocity
the velocity of centre of mass is not constant
if your answer is 3/4 then the carpet on top is 3/4 th of total carpet
Ok ty sir
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It is given in the following picture
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