An object having a mass m and moving with a speed V has a kinetic energy, which is equal to
a. mV
b. mV2
c. ½ mV2
d. ½ mV
c. ½ mV2
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Un soporte en U con dos patas dobladas en ángulos de 90 grados en direcciones opuestas se conoce como _____.
a. exhibidor b. silla alta c. silla de vigueta d. larguero para losa
A soil with a bulk density equal to 0.35 mg/m3 is most likely what type of soil?
A) an Ultisol B) a Vertisol C) a well-structured garden soil D) a peat soil E) a compacted urban soil
What is the purpose of an isolator?
A. Allows optical power to flow in one direction only B. Reduces the received signal level C. Used in simplex systems where a single optical signal is divided and sent to several receivers D. Combines or divides two or more optical signals
The field strength in which the AC brushless servo motor winding is varied to control the speed or position of the rotor is __________.
A. auxiliary B. main C. both windings D. none of the above