1Dec/094
Playing a Record
A gramophone record has a diameter of 30.5 centimeters. The centre is unused and has a diameter of 10 centimeters. There is also a smooth outer edge 1.25 centimeters wide around the recording.
If the grooves are 36to the centimeter, how far does the needle move during the actual playing of the record?
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March 27th, 2010 - 01:41
total distance be 9cm for playing region.
i don’t get the grooves point.
December 2nd, 2009 - 11:22
where do we find answer to these question
December 7th, 2009 - 16:34
generally visitors answer the questions. In case no one is able to give the answer, we will provide the solution.
October 14th, 2011 - 14:39
My answer is 9cm. Would request you to please let me know what is the correct answer.
Regards
Prabhat Kumar