Atube made of an aluminum alloy with ultimate strength u = 476 mpa has a diameter of 120 mm and a thickness of 4 mm. the tube is subjected to a constant bending moment of 2 kn·m and an internal pressure that repeatedly cycles between zero and a maximum of 15 mpa. determine: (a) the cycles that can be applied before failure nf, if the material follows the fatigue relationship a =a nf m, where a = 839 mpa and m = –0.102.

d would be the most obvious choice to this question. leaders are supposed to herd their underlings like a shepherd to sheep. a leader should also listen to others when they are talking to one other to gain a better understanding of their mission and surroundings.

explanation:

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the equation above shows how temperature f, measured in degrees fahrenheit, relates to a temperature c, measured in degrees celsius. based on the equation, which of the following must be true?

a temperature increase of 1 degree fahrenheit is equivalent to a temperature increase of

5

9

degree celsius.

a temperature increase of 1 degree celsius is equivalent to a temperature increase of 1.8 degrees fahrenheit.

a temperature increase of

5

9

degree fahrenheit is equivalent to a temperature increase of 1 degree celsius.

a) i only

b) ii only

c) iii only

d) i and ii only

answer:

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