A 0.2 m wide strip 31 mm thick is fed through a rolling mill w/ rolls of diameter 0.2 m. The work thickness is to be reduced by 4 mm in one pass at a roll speed of 21 rev/min. The average flow stress of the work material, as it passes through the rolls is 172 MPa. Calculate the Power required to pull the strip through in kW (kilo Watt).

answer:

i lost in getting someone back.

i learned that people are really two-faced and no matter how angelic someone appears they always have a devil side and that you cant trust anyone anymore no matter how dear they are to you.

if your wondering who it waz it waz mah still miss her tho

~batmans wife dun dun

do you have any options?

answer:

yes

explanation: