Answers: 1
Physics, 22.06.2019 06:10
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.
Answers: 3
Physics, 22.06.2019 17:00
The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.
Answers: 1
Physics, 23.06.2019 02:00
How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?
Answers: 2
A whale comes to the surface to breathe and then dives at an angle 24 degrees to the horizontal surf...
Mathematics, 28.03.2021 02:50
Health, 28.03.2021 02:50
Mathematics, 28.03.2021 02:50
Health, 28.03.2021 02:50
Chemistry, 28.03.2021 02:50
English, 28.03.2021 02:50
Mathematics, 28.03.2021 02:50
Mathematics, 28.03.2021 02:50
Social Studies, 28.03.2021 02:50
Mathematics, 28.03.2021 02:50
History, 28.03.2021 03:00
Mathematics, 28.03.2021 03:00