Fatigue failure with a high stress amplitude is _________-cycle fatigue.

Fill in the blank(s) with the appropriate word(s).


low

Physics & Space Science

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A horizontal desk surface measures 1.3 m by 1.0 m. If the Earth's magnetic field has a magnitude of 0.44 mT and is directed 65below the horizontal, what is the magnetic flux through the desk surface?

a.
b.
c.
d.

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Rotational Kinetic Energy: A solid uniform disk is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle of 25° with the horizontal. What is the speed of the disk after it has rolled 3.0 m up as measured along the surface of the ramp?

A. 4.0 m/s B. 1.9 m/s C. 2.1 m/s D. 6.8 m/s E. 8.0 m/s

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What kind of surface features may result from tectonics?

A) mountains B) valleys C) volcanos D) cliffs E) all of the above

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The rms velocity of an oxygen molecule in a gas is 390 m/s. If the absolute temperature is increased by 20%, then what is the rms velocity?

A. 427 m/s B. 502 m/s C. 567 m/s D. 604 m/s E. 635 m/s

Physics & Space Science