Por que, em geral, o reservatório de água aquecida é revestido com um material mau condutor de calor?

1) sections 1, 2, and 10 are significant primarily because they suggest the likelihood that a) widow wycherly is actually the woman in the full-length portrait. b) dr. heidegger wants to include his guests in an experiment with the water. c) dr. heidegger plans to drink some of the water from the vase and needs witnesses. d) the guests will be asked to witness dr. heidegger's transformation when he drinks the water.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass