A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.
Answers: 1
Physics, 21.06.2019 23:10
Which are examples of projectile motion? choose all that apply a. a soccer ball rolling across the ground in the northeast direction b. a car turning a corner, so it is heading south c. a javelin flying through the air d. a tennis ball lobbed over the net
Answers: 1
Physics, 21.06.2019 23:30
After a big snowfall, you take your favorite rocket-powered sled out to a wide field. the field is 195 m across, and you know that your sled accelerates at a rate of 3.65 m/s2 when the rocket is on. how much time will it take the sled to cross the field starting from rest, assuming the rocket is on the whole time?
Answers: 1
Physics, 22.06.2019 12:00
Apatient has a history of poor nutrition. he has skin rashes, bleeding gums, and a cut that hasn’t healed in a long time. what vitamin deficiency most likely caused this symptom?
Answers: 3
Physics, 22.06.2019 13:00
Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?
Answers: 3
A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g bloc...
Arts, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
History, 16.09.2020 03:01
World Languages, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
English, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Chemistry, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Social Studies, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01
Mathematics, 16.09.2020 03:01