The speed at which the magnetic field rotates is called the ____ speed.

a. rotor
b. motor
c. primary
d. synchronous


d. synchronous

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An expanded plastics is similar to a sponge, bread, or whipped cream because all are ____ in structure.   ?

A. ?closed cell B. ?cellular C. ?dense D. ?open cell  

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Discuss technical skills a forester must be able to perform

What will be an ideal response?

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Which is NOT an acceptable method of disposing used tires?

A) Burn in cement kiln B) Landfill C) Shred for use in asphalt D) Retread

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Calculate the arc length S1 in the accompanying figure. R2 = 8 cm, R1 = 5 cm, S2 = 6.28 cm

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