Physics, 29.07.2019 16:00 shyshy1791
Pushing on the pump of a soap dispenser compresses a small spring. when the spring is compressed 0.54 cm, its potential energy is 0.0025 j. (a) what is the force constant of the spring? (answer is in kn/m) (b) what compression is required for the spring potential energy to equal 0.0078 j? (answer is in cm),
Answers: 1
Physics, 22.06.2019 11:10, axxpjr12
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
Physics, 23.06.2019 02:40, jackphilander2285
The two metal spheres in the figure are connected by a metal wire with w switch in the middle. initially the switch is open. sphere 1, with the larger radius, i'd given a positive charge. sphere 2, with the smaller radius, is neutral. then the switch is closed. afterward, sphere 1 has charge q1, is at potential v1 and the electric field strength at its surface is e1. the values for sphere 2 are q2, v2, and e2. a. is v1 < ,> , or = to v2? explain. b. is q2 < , > , or = explain? c. is e1 < ,> ,or = to e2? explain?
Answers: 1
Physics, 23.06.2019 12:00, yungkxng57
What was the approximate temperature of the universe at an age of 1015 s?
Answers: 3
Pushing on the pump of a soap dispenser compresses a small spring. when the spring is compressed 0.5...
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