Physics, 21.08.2019 04:30 leoniandreww
Abar of brass is used to conduct heat between two heat reservoirs at temperatures of 20 degrees c and 80 degrees c. the bar has a square cross section with edge 1.0 cm. the length of the bar is 70 cm. what is the rate of thermal conductivity?
Answers: 1
Physics, 22.06.2019 18:30
Asled is being held at rest on a slope that makes an angle θ with the horizontal. after the sled is released, it slidesa distance d1 down the slope and then covers the distance d2 alongthe horizontal terrain before stopping. find the coefficient ofkinetic friction μk between the sled and the ground, assumingthat it is constant throughout the trip. find the coefficient of kinetic frictionμk. express your answer in terms of someor all of the variables d1, d2, and θ.
Answers: 1
Physics, 23.06.2019 03:00
The device shows the relative humidity at 22°c. what’s the water vapor density if the maximum water vapor in air at this temperature is 20 grams/cubic meter? a device showing that at 22 degrees celsius the relative humidity is 58%. a. 11.6% b. 11.6 g/m3 c. 12.76% d. 12.76 g/m3 reset next
Answers: 2
Physics, 23.06.2019 03:10
You want to move a heavy box with mass 30.0 kg across a carpeted floor. you pull hard on one of the edges of the box at an angle 30∘ above the horizontal with a force of magnitude 240 n, causing the box to move horizontally. the force of friction between the moving box and the floor has magnitude 41.5 n . what is the box's acceleration just after it begins to move
Answers: 1
Abar of brass is used to conduct heat between two heat reservoirs at temperatures of 20 degrees c an...
French, 31.10.2020 19:10
Mathematics, 31.10.2020 19:10
Biology, 31.10.2020 19:10
Mathematics, 31.10.2020 19:10
English, 31.10.2020 19:10
Biology, 31.10.2020 19:10
Mathematics, 31.10.2020 19:10
Mathematics, 31.10.2020 19:10
Biology, 31.10.2020 19:10
English, 31.10.2020 19:10
Spanish, 31.10.2020 19:10