In the absence if heat transfer and no work, conservation of mechanical energy states that the total mechanical energy of a system is
a. increasing
b. constant
c. decreasing
d. none of the above
b. constant
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Al utilizar cubiertas de piezas preformadas o prefabricadas de silicato de calcio/perlita expandida, ¿cuál de las siguientes afirmaciones sobre su instalación es correcta?
a. Instale todo el aislamiento de tubería y después instale las cubiertas de piezas. b. Instale primero el aislamiento de tubería y la lámina de revestimiento. c. Instale las cubiertas de pieza y después instale el d. Instale solo cubiertas de piezas de radio corto
Flowers and shrubs are always the greatest users of water
Indicate whether the statement is true or false
Fiber can be classified as ____________________ or ____________________
Fill in the blank(s) with correct word
The Acela Express connects the busy northeast corridor of cities: Research where other high-speed train systems might be used in the United States. In your research, list the cities, the population of each city, the relative distances between the cities, and, if you are able to do so, list the number of air passengers traveling between your selected cities each year.
What will be an ideal response?