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anonymous
 5 years ago
A table saw blade, with diameter of 10.00 inches, rotates at about 3200 revolutions per minute. Find the linear speed of
a point on the tip of the blade and express it to the nearest mile per hour.
A) 71 mph
B) 77 mph
C) 83 mph
D) 89 mph
E) 95 mph
anonymous
 5 years ago
A table saw blade, with diameter of 10.00 inches, rotates at about 3200 revolutions per minute. Find the linear speed of a point on the tip of the blade and express it to the nearest mile per hour. A) 71 mph B) 77 mph C) 83 mph D) 89 mph E) 95 mph

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the length it travels in one turn is 10pi inches

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03200(10pi) = 32000 pi inches per minute

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0how many inches in a mile?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0abt 5000 ft per mile; little more actually 5000*12 = how many inches in a mile

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.072000 inches per mile; 72000  = 72/32pi 32000pi

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0a little more than that; but find the actual conversion of inches to miles to get an exact result

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.063360 inches per mile  = ? 32000pi inches

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0My conversion looked like this s = 3200 * 2pi * 10 inches t= 1 minute 5280 inches 1 mile  =  60 min 1 hour but idk how to do the conversion completely!

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03200 * 2pi5 = 32000pi in / min right?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.063360 inches in one mile  32000pi = 0.63 * 60 minutes i get 37.7 mph

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0which aint an option :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Ahhhhh Im so confused!

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.032000pi is right; 5280*12 = inches per mile

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.063360 per mile is right.. 32000pi  63360 maybe?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0that gets me 95 mph :) and thats an option

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0My calc was in degrees and not radians, DOY! thank you!

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0rad vs deg will tend to mess it up lol
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