The yield strength for an alloy that has an average grain diameter of 5.0 × 10-2 mm is 134 MPa. At a grain diameter of 8.8 × 10-3 mm, the yield strength increases to 272 MPa. At what grain diameter, in mm, will the yield strength be 208 MPa?

energy can cross the boundaries of a closed system in the form of heat and mass

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 They're compact and can easily be used for both FWD and RWD vehicles. Allows for greater displacement than inline cylinder engines, typically meaning more power.