Answer:
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You are making a welding fixture and must cut down a length of steel tubing from 19 3/8 inches to 11 9/16 inches. When you cut t
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Answer:
Step-by-step explanation:
lets say in the shown triangle x=165
so speed
and
Also since distance = speed* time
time = pi minutes = pi/60 seconds
y =
y =
Now using the pythagorean :
<u>derivate the equation so we get :</u>
m/s
So Rate of change = <u><em>25.387 m/s</em></u>