Answers: 3
Physics, 21.06.2019 16:00
As shown in fig. p3.64, a closed, rigid tank fitted with a fine-wire electric resistor is filled with refrigerant 22, initially at 2108c, a quality of 80%, and a volume of 0.01 m3. a 12-volt battery provides a 5-amp current to the resistor for 5 minutes. if the final temperature of the refrigerant is 408c, determine the heat transfer, in kj, from the refrigerant.
Answers: 1
Physics, 21.06.2019 16:30
Bone-strengthening physical activity done increases bone-mineral content and bone density in youth.
Answers: 1
Physics, 22.06.2019 08:50
You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?
Answers: 2
a screw jack we whose pitch is 4.4mm is used to rasie a mass 9 tones through a height of 20cm. if th...
Mathematics, 11.03.2020 03:13
Mathematics, 11.03.2020 03:13
Mathematics, 11.03.2020 03:13
Mathematics, 11.03.2020 03:13
History, 11.03.2020 03:14