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ruslelena [56]
3 years ago
12

Convert rads/s to revs/s

Physics
1 answer:
OleMash [197]3 years ago
3 0
1 revolution  =  2π radians

revs = (1/2π) · (rads) / (2π)

revs/sec = (1/2π) · (rads/sec)

RPM  =  (1/2π) · (rads/min)  =  (30/π) · (rads/sec)
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8 0
3 years ago
Which of the following would decrease in size during the contraction of a sarcomere? The width of the I-bands The width of the A
ANEK [815]

Hi!


The correct answer would be: the width of I-bands


The sacromere is the smallest contractile unit of striated muscles. These units comprise of filaments (fibrous proteins) that, upon muscle contraction or relaxation, slide past each other. The sacromere consists of thick filaments (myosin) and thin filaments (actin).


<em>Refer to the attached picture to clearly see the structure of a sacromere.</em>


<u>When a sacromere contracts, a series of changes take place which include:</u>

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<em>- The A line remains unchanged</em>

<em>- Z lines come closer to each other (and this is due to the shortening of the I bands) </em>

The only changes that take place occur in the zones/areas in the sacromere (as mentioned), not in the filaments (actin and myosin) that make the up the sacromere; hence all other options are wrong.


Hope this helps!

8 0
3 years ago
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Dmitry_Shevchenko [17]
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3 years ago
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