A movie shot at 30 frames per second shows a moving wagon having wheels that appear not to be rotating. The minimum rotational speed that produces this aliasing is ______ revolutions per second.

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


fa = 0 ?fs = f0 = 30 rps.

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Nitrogen at 100°C and 600 kPa expands in such a way that it can be approximated by a polytropic process with n = 1.2. The work if the final pressure is 100 kPa is nearest:

A) 128 kJ/kg B) 143 kJ/kg C) 171 kJ/kg D) 194 kJ/kg

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General purpose branch circuits supply power to two or more outlets for __________ and __________ use.

What will be an ideal response?

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List at least three different joint designs that could be used when performing a frame sectional replacement, and briefly describe how each is made.

What will be an ideal response?

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Briefly describe the changes that occur in the abilities of older drivers (aged 65 and over) that influence their driving capability.

What will be an ideal response?

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