Answers: 3
Another question on Physics
Physics, 22.06.2019 03:00
Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
Answers: 2
Physics, 22.06.2019 15:30
At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.
Answers: 1
Physics, 22.06.2019 19:30
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, 23.06.2019 03:30
An object is kept at 45 m high and how much time will it take to reach the ground
Answers: 2
You know the right answer?
Hằng số phổ biến chất khí...
Questions
Mathematics, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
English, 14.02.2021 07:40
Social Studies, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Biology, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Mathematics, 14.02.2021 07:40
Biology, 14.02.2021 07:40
Biology, 14.02.2021 07:40
