A measure of how hard it is to rotate something with respect to its center of rotation is called

a. mass
b. momentum
c. torque
d. mass moment of inertia


d. mass moment of inertia

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Mr. Chen planted 12.4 acres of burley tobacco. Since he was able to do most of the work himself, it cost him 46.2 percent of the income to produce the crop. If he had to hire someone to do all the work, it would have cost him 74.7 percent of the income to produce the crop. He had a yield of 2,050 pounds per acre selling for $1.60 per pound.

a. How many pounds of tobacco were produced? b. What was his income, since he was able to do most of the work? c. What would his income have been, if he had hired someone to do all the work? d. How much more did he receive by doing most of the work, instead of hiring it all done?

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_____ is the property in an electrical circuit that directly affects the rate of change in current flow.? ?  

A. Pinch effect? B. Transfer? C. Power? D. Inductance?

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The cell membrane around the cytoplasm and nucleus of eukaryotic cells contains which of the following?

a. Nucleic acids c. Fatty acids b. Enzymes d. Lipids

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A longitudinal accelerometer senses what type of force?

A) Straight-line acceleration B) Steering wheel position C) Cornering force D) None of these

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