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raymondleggett44
27.01.2020 •
Mathematics
The circular blade on a saw has a diameter of 6.25 inches and rotates at 4500 revolutions per minute. (a) find the angular speed of the blade in radians per minute. (round your answer to three decimal places.)
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Ответ:
angular speed=471.429rad/sec
Step-by-step explanation:
One revolution is :
2×pi×radians
Then 4500 revolution will be:
2×pi×4500rad= 9000pi rad
1minutes = 60seconds
So the angular speed is :
=(9000×pi rad) / minutes
=9000×(22/7)rad /60seconds
=471.42857143 rad/sec
=471.429rad/sec to 3 d.p
Ответ:
do you have ant options for this question