Physics, 06.10.2019 09:30 damienwoodlin6
An electronic device dissipating 25 w has a mass of 20 g and a specific heat of 850 j/kg·°c. the device is lightly used, and it is on for 5 min and then off for several hours, during which it cools to the ambient temperature of 25°c. determine the highest possible temperature of the device at the end of the 5-min operating period. what would your answer be if the device were attached to a 0.5-kg aluminum heat sink? assume the device and the heat sink to be nearly isothermal.
Answers: 1
Physics, 22.06.2019 04:10
You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).
Answers: 2
Physics, 22.06.2019 17:00
How many meters will a car travel if its speed is 45 m/s in an interval of 11 seconds? question 2 options: a) 450 meters b) 495 meters c) 4.09 meters d) 498 meters
Answers: 2
Physics, 22.06.2019 18:00
Aprisoner is forced to go into one of three rooms, but he can choose which room. the first room is ablaze with fire. the second one is rigged with explosives that will go off as soon as he enters. the third contains a pair of lions who haven't eaten in years. which room should he choose to survive?
Answers: 2
Physics, 22.06.2019 21:10
Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. intensity c. wavelength d. brightness
Answers: 2
An electronic device dissipating 25 w has a mass of 20 g and a specific heat of 850 j/kg·°c. the dev...
Computers and Technology, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Health, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Biology, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
Spanish, 05.10.2019 19:20
Mathematics, 05.10.2019 19:20
History, 05.10.2019 19:30