Acast iron pipe is to carry 60 m3 of compressed air per minute at a pressure of 1 n/mm2. the velocity of air in the pipe is limited to 10 m/s and the permissible tensile stress for the material of the pipe is 14 mpa. find the diameter of the pipe and its wall thickness

yellow

Explanation:

ive been there

i'd try logging out, closing the browser, and unplugging the computer for a few seconds and then start everything back up again and log in. if it still doesn't work, maybe try clicking slower. or close a couple tabs or other windows you may have up

I don't know much ab computers but I hope this helped

0.025 seconds

Explanation: You just have to divide the time between the # of flaps divided by the 1.25 m/s