For a special heat shield material is used as a 2 inch thick lining of a safe deposit box. The material density is 45.0 lbm/ft^3, its specific heat is 0.28 Btu/lbmºF, and its thermal conductivity is 0.039 Btu/h?ft?ºF. If the box is suddenly exposed to constant high temperature due to a fire, estimate the time before the inside of the box begins to warm up.
What will be an ideal response?
You might also like to view...
You are going by train to Siena and your traveling companion has a lot of questions. Complete your responses using the pronoun ne or the adverb ci, according to the context.
—Hai del vino? —No, non __________ ho.
Many people believe that private schools have more successful educational outcomes that do public schools, due to less bureaucracy, more family involvement, smaller classes, and students' backgrounds. Families who send their children to private school must pay both tuition and school taxes for public schools. There was much political pressure, beginning in the 1970s in various states, to give
public financial support to private schools. One mechanism is the voucher—a coupon in the amount the school district normally spends on an individual child's education—to be "spent" at whatever school the family chooses, public or private. The argument is that in a free-market system private schools should have as much right as public schools to be supported by the government and that the best schools will attract more students, thereby thriving, while the worst schools will improve to attract "customers." The voucher system came under legal scrutiny in a court case in Cleveland, Ohio, in 1997, when the system was declared unconstitutional because of inappropriate church-state separation; most of the vouchers (public money) were being used for religious schools. However, the concept of vouchers as a school choice option is still viable, as evidenced by the No Child Left Behind Act of 2001, which tries to balance flexibility with accountability in schools receiving federal funds under Title I of the Elementary and Secondary Education Act (ESEA). The act grants parents certain rights, such as to inspect instructional material and assessments; it provides guidelines for school choice and vouchers, and for school prayer; and it stipulates requirements for funding school improvements, teacher qualifications, and testing. The author's claim that "...the concept of vouchers as a school choice option is still viable..." is a. adequately supported by factual evidence. b. inadequately supported because it depends on personal opinion.
Quanti figli hanno avuto i genitori del professore?
Ascoltate il dialogo e rispondete alle domande con una frase completa. (Answer the questions with complete sentences.)
Comprensión oral. Vas a escuchar un pasaje sobre el papel del hombre y el de la mujer en la sociedad hispánica. Antes de hacerlo, lee la lista de preguntas. Luego, escucha el pasaje y contesta las preguntas. Vas a escuchar el pasaje dos veces.Click here for audio.¿Cuántos escritores hispánicos han obtenido el Premio Nobel?
What will be an ideal response?