At the yield stress in a metal,
(a) Dislocation motion starts.
(b) The plastic strain is equal to 0.002.
(c) Plastic strain begins.
(d) The specimen starts to neck.
(b) The plastic strain is equal to 0.002.
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Briefly explain how an impact event 65 million years ago could have caused the extinction of the dinosaurs
What will be an ideal response?
A roller coaster car is on a track that forms a circular loop in the vertical plane. If the car is to just maintain contact with track at the top of the loop, what is the minimum value for its centripetal acceleration at this point?
A) g downward B) 2 g upward C) 0.5 g downward D) g upward E) 2 g downward
A bass fiddle is louder than a harp because of its
A) thicker strings. B) sounding board. C) lower pitch. D) all of the above E) none of the above
A __________ is a three dimensional image made using a laser
Fill in the blank(s) with correct word