Physics, 10.12.2019 20:31 emrecaga1992
Aprimitive diving bell consists of a cylindrical tank with one end open and one end closed. the tank is lowered into a freshwater lake, open end downward. water rises into the tank, compressing the trapped air, whose temperature remains constant during the descent. the tank is brought to a halt when the distance between the surface of the water in the tank and the surface of the lake is 46.6 m. atmospheric pressure at the surface of the lake is 1.01 x 105 pa. find the fraction of the tank's volume that is filled with air.
Answers: 2
Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
Physics, 22.06.2019 13:00
At a certain instant after jumping from the airplane a, a skydiver b is in the position shown and has reached a terminal (constant) speed vb = 52 m/s. the airplane has the same constant speed va = 52 m/s, and after a period of level flight is just beginning to follow the circular path shown of radius Ļa = 2330 m. (a) determine the velocity and acceleration of the airplane relative to the skydiver. (b) determine the time rate of change of the speed vr of the airplane and the radius of curvature Ļr of its path, both as observed by the nonrotating skydiver.
Answers: 3
Aprimitive diving bell consists of a cylindrical tank with one end open and one end closed. the tank...
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